4l80e Troubleshooting Pdf

The 4L80E has proven reliable like it’s predecessor. Manuals These manuals are. 4L60É, 4L80E,4L30E DiagnosiS. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. Discussion Starter · #1 · Nov 13, 2005. light duty trucks for 1991. 2000 Toyota Tundra Owners Manual Pdf PDF Download. This early harness has a problem with leaking fluid at the pass-through connector. The 4L80 is a famous predecessor the 3-speed 3L80. Transmission Harness 6-10 Step-By-Step Instruction Vehicle Harness 11-13 Step-By-Step Instruction EFI Connections 14-15 Step-By-Step Instruction/Diagram 3 Carb or Diesel Connections 16-17 Step-By-Step Instruction/Diagram 4. 4l80e Transmission Repair Manual Pdf King Quad Wiring Diagram For 1992 Saab 9 5 Emission. 48-ACT-TL with tools. 700-R4 (1987-1993) $35. File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. Hydra-Matic 4L80-E Transmission Repair Manual. General Motors Transmission Repair Manual. 6 MB Views: 79. Supplement 7 4L80E Transmission Troubleshooting. While on the road, I can shift from D into 2 and it will downshift ONLY when going above 30 MPH. 48-ACT-VL6 without tools. For GM TH350, TH400, TH200, 200-4R, 700-R4, 4L60 (and 4L60E, 4L80E with Long Selector Shaft) Fig. Re: 4L80e drops out of overdrive. Fits 1991-13 4L80E, 4L85E. The Hydra-matic 4L80-E Technician's Guide is intended for automotive technicians that are familiar with the operation of an automatic transaxle or transmission. 3 Transbrake Page 7/36. GM 4L60E 4L65E Transmission Pumps Parts. When put in reverse it clunks like its engaging, then won't move, no sign of moving. General Motors Transmission Repair Manual. Note: There have been many engineering changes in this transmission since its introduction. In 1997 the unit became a 5-speed by applying the front servo to obtain an overdriven first and 5th. This transmission is extremely reliable, powerful, and not complicated in terms of design. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. These transmissions have solenoids that control which gears are activated, and an electronically controlled transmission fluid pressure system, that can regulate shift firmness and clutch holding ability. Locate the 2-wire harness on the driver side of the transmission case towards the rear of the transmission. The THM 4L80-E is a fully automatic rear wheel drive transmission. Discussion Starter · #1 · Nov 13, 2005. light duty trucks for 1991. The EZ-TCU™ allows for maximum electronic control over shift points, shift firmness and shift speed. Unless you prevent it: Sooner or later high pressure problems de-velop that breaks expensive hard parts. Sep 21, 2017 · The GM LS family is quite large, broken into Generation III/IV, so don’t be surprised when you see overlap and unfamiliar RPO codes. The ATSG 4L60 (700-R4) Technical Manual covers assembly, dis-assembly, diagnosis, and troubleshooting. 1 91-Up T34169E 4L80E-HD2 165J Reprogramming Kit™, Stick Shift. Next Post. The 4L60E/4L65E/4L70E transmission does not use this input. Re: 4L80e drops out of overdrive. I'm hoping you can either help me out or point me in the right direction. Make sure that the bolt on the locking tool allows the oil pan to be reinstalled and fill the pan with oil. Available Soon items may take 2-4 weeks for delivery. Hydra-Matic 4L80-E Transmission Repair Manual PDF. 48-ACT-TL with tools. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. This is a computer controlled transmission first introduced in G. ATSG 4L60E Transmission Repair Manual (GM THM for Sale New or Used 4L60e Valve Body - Repair Shops… $22. Because of this, we do not provide a wiring harness for it. Codes can be cleared by. Sprag 116 156 864 214 580 868 861 580-6 880 4L80E 4L85E 070 034 500 510 036 530 140 127 100 VF,V 4th Clutch 120 040 3 127 335 128 960 560 970 038 178 551 52 Stator 545 311 037 561 2 2 126 Direct Clutch Pump Parts 341 O. While on the road, I can shift from D into 2 and it will downshift ONLY when going above 30 MPH. The automatic gearbox 4L80E differs by the improved reliability and is able to operate under normal use for 30 or more years without repairs. The dealer seemed to know of this problem. The solenoids are both powered with system voltage when the ignition is on. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6. GM THM 4L60 (700-R4) Transmission (1987 to 1993) found in many domestic vehicles. Details about the 4L60E and 4L80E Kit Contents Photo 5 Picture and List of what's provided in this kit. Despite its name, the 4L80E is not an upgrade to its GM counterparts. This device is a set of five, nor-mally open, pressure switches that detect fluid pressure within the valve body passages (Fig-ure 11). General Installation The Quick 2 unit should be mounted within the passenger compartment of the vehicle in a protected location. The 4L80E has a max torque rating of 440 lb. This early harness has a problem with leaking fluid at the pass-through connector. The automatic gearbox 4L80E differs by the improved reliability and is able to operate under normal use for 30 or more years without repairs. 3 Transbrake Page 7/36. The THM 4L80-E is a fully automatic rear wheel drive transmission. The pink wire provides power to the internal solenoids. SHIFT INTERLOCK SYSTEM The shift lock system is designed to ensure the proper operation of the automatic transmission. We are confident the SK® relief valve intersecting the boost system will prevent the problem. You haven't confirmed step 1. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. Codes can be cleared by. Whether the T/C locks up or not, follow the troubleshooting tree to the next step, cooler line surge test. Jun 18, 2019 · The Turbo 350, Turbo 400 and for something with overdrive the 4l80e was indestructible. In fact, once the transmission “shifts” into third, it’ll feel like you lost the whole thing. The only way to retrive trouble codes is with a scanner such as Tech 2 , snap-on, otc or equivelent. All I had to do is flick the key and get it back. The transmission fluid was drained and flushed, the filter changed, and a new transmission fluid. 4l80e Transmission Repair Manual Pdf King Quad Wiring Diagram For 1992 Saab 9 5 Emission. general motors 4l60e 4l65e 4l70e transmission parts. The 4L80E is the descendant of the “Ole Reliable” TH400 transmission. Pin Count) Step 2: Flushing the System. 48 first gear, 1. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans. Next Post. TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. GM 125C (3T40) - ATSG (Automatic Transmission Service Group) Download. Ships from and sold by Northern Auto Parts. Quic Select Category. 5L Diesel 4 Spd RWD 4X4; Escalade, ESV, EXT. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. 4L80E Specifications. 4L60E Transmission Problems May 30, 2018 April 5, 2017 by Jason The 4L60E transmission is the direct descendent of the 700R4, and as such already had over a decade of refinement put into it before it ever even made it into production. This is the DOWNLOAD link for THM 4L80-E Transmission found in Trucks and vans, 1991-UP. The transmission fluid was drained and flushed, the filter changed, and a new transmission fluid. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. GM 4L60E 4L65E Transmission Pumps parts. The Hydra-matic 4L80-E Technician's Guide is intended for automotive technicians that are familiar with the operation of an automatic transaxle or transmission. Having problems with your 4L80E GM Automatic Transmission that is used in heavy duty Chevrolet and GMC pickups, vans and motor homes. 4L80E/4L85E only - This connects to the input speed sensor (TISS) on the 4L80E transmission. The 4L80E has a max torque rating of 440 lb. Because of this, we do not provide a wiring harness for it. dave s jaguar xj6 ls1 swap. 48 first gear, 1. gm 4l60e 4l65e transmission pumps parts. This early harness has a problem with leaking fluid at the the troubleshooting section at the end of this manual for detailed explanations. BW1370C K3500 models 1988 - up Part time unit with 3-piece magnesium case with oil pump spacer plate. Table Of Contents 4L30E 3rd Clutch Checkball Missing D 3 2 Check-ball 3rd Clutch Quick Dump Checkball Missing. We thought this was a high miles problem, but find that it can happen in really hard hot service at any milage. Available Soon items may take 2-4 weeks for delivery. Discussion Starter · #1 · Sep 1, 2009. By 1700 rpm problem disappears. So my 93 1 ton with a 4l80e will not go into forth or overdrive. 1 91-Up T34169E 4L80E-HD2 165J Reprogramming Kit™, Stick Shift. Problems Of The United States As World Trader And Banker. If you’ve already got a specific LS engine in mind, use our LS Engine Spotter’s Guide, Part 2: Matching the Engine to the Vehicle post to find the vehicles it came in. Introduced alongside the original 4L60 in the early 1990's the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups. Condition: One or more of the following problems: - The Malfunction Indicator Lamp is on. Also known as BW4470. Whether you need 4L80E wiring diagram information, 4L80E transmission rebuilders tips, 4L80E technical information, 4L80E diagnostics, 4L80E troubleshooting help, or just answers to your 4L80E transmission rebuilders question, the Transmission Rebuilders Network is the place to go!. 0L Ford/Mazda rear-wheel-drive units. ity problems: P0740 — TCC Solenoid Electrical Fault P0753 — 1–2 Solenoid Electrical Fault P0758 — 2–3 Solenoid Electrical Fault P0785 — 3–2 Solenoid Electrical Fault P1860 — TCC PWM Solenoid Electrical Fault • 4L80E applications fail to shift, or will drop into second gear intermittently. 3 Transbrake Page 7/36. This TransGo 4L80E SHIFT KIT® Valve Body Repair Kit fits 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission. A trouble shooting overhaul guide is also available to assist. When put in reverse it clunks like its engaging, then won't move, no sign of moving. 4l80e Transmission Repair Manual Pdf King Quad Wiring Diagram For 1992 Saab 9 5 Emission. The 4L80E is being found in more and more high performance, race, and tow vehicles over the last few years. - The transmission is defaulted to third gear (4L60/65-E). GM THM 4L60 (700-R4) Transmission (1987 to 1993) found in many domestic vehicles. This product should be installed by a professional transmission mechanic who is fluent with servicing the GM4L80E transmission. The only way to retrive trouble codes is with a scanner such as Tech 2 , snap-on, otc or equivelent. electronically controlled transmissions such as GM’s 4L60E, 4L65E, 4L80E, and 4L85E. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans. These transmissions can be found behind 4. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. The THM 4L80-E is a fully automatic rear wheel drive transmission. 14,585 Answers. the troubleshooting section at the end of this manual for detailed explanations. Easily Convert the 4L80E to Full Manual. transmission fuse location wiring diagram for 4l80e the with unique 4l80e transmission wiring diagram inspiration electrical beautiful 1993 4l80e transmission wiring diagram component, 4l80e diagram here you are at our site this is images about 4l80e diagram posted by brenda botha in wiring category on mar 08 2019 you can also find other images. When I bought it a week ago it would go into both when the trans got to 175 then it would go out. With the oil pan installed and filled to the proper oil level, make the shift test to see if you now have reverse with the parking brake applied. TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. 2004R 4L60E 4L80E 6L80 700R4 Allison 1000 TH350 TH400 Many more Ford 4R44E, 5R55E 5R110 5R55S, 5R55W AOD AODE, 4R70W, 4R75E C4 C6 E4OD, 4R100 Many more Chrysler, Jeep 42RH, 42RE, 44RE 45RFE, 545RFE 46RH, 46RE 47RH, 47RE 48RE 68RFE A727 A904 Many more Nissan AW450-43LE AW55-50SN RE4F04A RE4R01A RE5R05A RE7R01A RG4R01A RL4R01A Many more Toyota. (597 N·m) of torque. GM 4L60E 4L65E Transmission Pumps Parts. All I had to do is flick the key and get it back. Table Of Contents 4L30E 3rd Clutch Checkball Missing D 3 2 Check-ball 3rd Clutch Quick Dump Checkball Missing Reverse Clutch Checkball Missing Pressure Taps 2nd Clutch Pressure 4th Clutch Pressure Servo Apply Pressure Pressure Tap Circuits. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission Guide 4L80-E PDF free online. Chevrolet Master. Quic Select Category. I just did one a few weeks ago and called for the cooler. unofficial guide to xbox live pdf download stchrysostoms org. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans. The transmission fluid was drained and flushed, the filter changed, and a new transmission fluid. Shifts into second, then doesn't shift up any further. TOOL03 FourthClutch Piston Seal Protector & Installer Kit Part No. - The transmission is defaulted to second gear (4L80/85-E). Supplement 7 4L80E Transmission Troubleshooting. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. Fits 1991-13 4L80E, 4L85E. Problems Of The United States As World Trader And Banker. Despite its name, the 4L80E is not an upgrade to its GM counterparts. We are confident the SK® relief valve intersecting the boost system will prevent the problem. Transmission will be in whatever gear the shifter is in. Self diagnostics allow users of every skill level to fully utilize the EZ-TCU™. This item: ATSG 4L80E THM Transmission Repair Manual Automotive $32. This will minimize loose connections that could cause problems later. Book Is Fully Illustrated. Because of this, we do not provide a wiring harness for it. 5L Diesel 4 Spd RWD 4X4; Escalade, ESV, EXT. Discussion Starter · #1 · Nov 13, 2005. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. The 4L80E uses shift solenoids A and B to control upshifts and downshifts in all forward ranges. 4L80E D321 AUTOSHIFT TRANSBRAKE PART # 4L8VB/ASTB This product is for competition usage only. Transmission was shuddering at highway speeds under light throttle application. 4L60É, 4L80E,4L30E DiagnosiS. The 4L80E uses shift solenoids A and B to control upshifts and downshifts in all forward ranges. pdf files which will download to your computer when you click on the link: 4L80E Automatic Transmission Rebuild Manual Here 4L80E Transmission Electrical Supplement (GM) Here 4L60E Automatic Transmission Rebuild Manual Here 1994 Transmission Manual: Here 1995 Transmission Manual: Here 1996 Transmission Manual:. The 4L80E is the descendant of the “Ole Reliable” TH400 transmission. The THM 4L80-E is a fully automatic rear wheel drive transmission. But , I would put an external transmission cooler on it first. Heres some info on the early 4L80E transmission problems. 48 second, 1. File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. The only way to retrive trouble codes is with a scanner such as Tech 2 , snap-on, otc or equivelent. I'm hoping you can either help me out or point me in the right direction. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. The 4L80-E (and similar 4L85-E) was a series of automatic transmissions from General Motors. It's free to register here toget 4l80e Wiring Plug Book file PDF. GM recommends upgrading to the newer connector and wiring harness. - The transmission is defaulted to second gear (4L80/85-E). Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. 2000 Toyota Tundra Owners Manual Pdf PDF Download. When put in reverse it clunks like its engaging, then won't move, no sign of moving. 1-liter gas engines and 6. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. the troubleshooting section at the end of this manual for detailed explanations. Chevrolet Van Wikipedia. Details about the 4L60E and 4L80E Kit Contents Photo 5 Picture and List of what’s provided in this kit. 5L Diesel 4 Spd RWD 4X4; Escalade, ESV, EXT. One of the most common (and most frustrating) problems that happens to the 4L80E is when it loses 3rd and 4th gear at the same time. I'm working on an M1152A1 up-armored HMMWV. 4L60É, 4L80E,4L30E DiagnosiS. Then he talks about the common problems found in this transmission and the solutions to those prob. Fits 1991-13 4L80E, 4L85E. erasedhammer, wave sizes, shapes, and voltages are around step 372. This engineering change required the addition of a. Harsh or Improper Shifting. 75 overdrive. Available with or without tools. Uploaded by Jesús Guerrero. Wed Sep 18 Jet, TCI, and others have controllers. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. It\'s electrical. The gearing to move such a heavy load is a 2. Beginning at the start of production for all 1999 model THM 4L80E transmissions, the planetary pinions on both carriers were produced 10% thicker than the previous models, as shown in Figure 1. Fits 1991-13 4L80E, 4L85E. The pink wire provides power to the internal solenoids. Engines: 4. General Installation The Quick 4 unit should be mounted within the passenger compartment of the. TRACING CIRCUITS Figures 1 through 3 are examples of how the wiring. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. Show details. The 4L80E uses shift solenoids A and B to control upshifts and downshifts in all forward ranges. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6. Now after a long drive it won't come. Install the locking tool onto the Low/Reverse servo. When hooked up to a civi computer the transmission will manually shift through all gears. The THM 4L80-E is a fully automatic rear wheel drive transmission. Your 4L80E has a set of clutches that work with both 3’rd and 4’th gear. Bookmark File PDF 4l80e Transmission Manual 4l80e Transmission Manual Thank you completely much for downloading 4l80e transmission manual. We recommend a 15 – 20 amp fuse. Manuals These manuals are. 4L80-E 4L85-E ATSG rebuild/overhaul manuals cover transmission assembly, dis-assembly, diagnosis, and troubleshooting. THM 700-R4 4L60 (1982-1986) - ATSG (Automatic Transmission Service Group) Download. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. It's also common that a problem with these sensors can impact the shift timing, extending the. 2000 Toyota Tundra Owners Manual Pdf PDF Download How much torque can a 700R4 handle Hot Rod Forum April 28th, 2018 - If you are going with big power and high vehicle weight step up to the 4l80e 4l85e it is pretty much a th. 3 200-4R Sensor Bracket Wiring Harness Universal Mounting Bracket #8-32 x 5/16" Flat Head Phillips Screws 5/16"-18 x 1-1/4" Hex Head Bolts Sensor Bracket (All except 200-4R) Spacers Indicator Trans Arm Index Cable Stop 3/8" Trans Arm. If your 4L80E is slipping, overheating, shifting irregularly or making noise, you should have it repaired before or, in conjunction with the installation of your B&M 4L80E Shift Improver Kit. It clunks like its in, but 100% freewheels. TROUBLESHOOTING - Free Download PDF. The 4L60E/4L65E/4L70E transmission does not use this input. General Details. Found behind 4L60E and 4L80E trans. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. 89 Turbo Grand Prix : DM32xDA. Need Illustrated parts drawing to assist you in identification of the parts that you might need. The Mag-Hytec pan is designed to fit the factory GM 4L80E transmission as supplied as original equipment. 1 91-Up T34165ED 4L80E-HTRK 165J Reprogramming Kit™, Hi-Perf/ HD Automatic w/ Complete Gear Control (Transgo®). Install the locking tool onto the Low/Reverse servo. Aug 9, 2009. Bookmark File PDF 4l80e Transmission Manual 4l80e Transmission Manual Thank you completely much for downloading 4l80e transmission manual. Wherever possible, solder wire connections and avoid crimp-type connectors. 5 volts 4-3 downshift flare-pull lever down when neutralizing and the flare goes away Input roller clutch not holding 3rd gear starts and bind up in manual low Direct piston broken or cushion plate broke wedging clutch applied. dave s jaguar xj6 ls1 swap. 4L60E Transmission Problems May 30, 2018 April 5, 2017 by Jason The 4L60E transmission is the direct descendent of the 700R4, and as such already had over a decade of refinement put into it before it ever even made it into production. 4L80E Problems: No 3rd or 4th gear. Sep 21, 2017 · The GM LS family is quite large, broken into Generation III/IV, so don’t be surprised when you see overlap and unfamiliar RPO codes. Show details. The THM 4L80-E is a fully automatic rear wheel drive transmission. 0L Ford/Mazda rear-wheel-drive units. GM recommends upgrading to the newer connector and wiring harness. • All connectors are shown with their part numbers to save time when ordering these parts. 4L60E Transmission Problems – Troubleshooting and Solutions If you have 4L60E transmission problems, you’re far from alone. Whether the T/C locks up or not, follow the troubleshooting tree to the next step, cooler line surge test. 6L45/50 and 6L80/90 Transmission Problems. This engineering change required the addition of a. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. It\'s electrical. It shares many components and design features. (597 N·m) of torque. Unofficial Guide To Xbox Live PDF Download stchrysostoms org. This TransGo 4L80E SHIFT KIT® Valve Body Repair Kit fits 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission. 041" shim in the gear train to re-center the. 42 gear The trans shifts great in all forward gears, no codes, and locks up the torque converter as it should. These transmissions can be found behind 4. I thought it may help someone out. 4L60E Transmission Problems – Troubleshooting and Solutions If you have 4L60E transmission problems, you’re far from alone. We thought this was a high miles problem, but find that it can happen in really hard hot service at any milage. The 4L80E has a max torque rating of 440 lb. 4L80E Transmission Maintenance Training course designed for Techni-cians/ Maintainers who are responsible for inspection, troubleshooting, repair, replacement and rebuilding the GTP 4L80E transmission at all maintenance levels (Organizational-20, Direct-30, and General support-40 echelons). File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. file 4l80e Wiring Plug Book Free Download PDF at Our eBook Library. When I bought it a week ago it would go into both when the trans got to 175 then it would go out. Common complaints on this transmission soft 2-3, no upshifts, burnt direct clutch, broken hard parts due to high. Make sure that the bolt on the locking tool allows the oil pan to be reinstalled and fill the pan with oil. That is just not true in a large amount of the electronic tranny failures. 94-95 F-Car, 94-95 Y-Car, 94-95 B-Car (LT1. Unofficial Guide To Xbox Live PDF Download Stchrysostoms Org. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. The gearing to move such a heavy load is a 2. Also known as BW4470. The solenoids are both powered with system voltage when the ignition is on. Attach one end of a rubber hose to the disconnected line coming from the radiator. Codes can be cleared by. 4l80 starts out in 1st gear. Problems Of The United States As World Trader And Banker. You can shift into second to get. Hydra-Matic 4L80-E Transmission Repair Manual PDF. I think another issue getting the 10 speeds in everything is the 10 speed is a Ford transmission. Troubleshooting the 4L80E Automatic Transmission Page 9 Transmission Range (TR) Pressure Switch Assembly. general motors 4l60e 4l65e 4l70e transmission parts. 25-2/A/B/C/HD/X 4L80E FULL MANUAL VALVE BODY WIRING INSTRUCTIONS 1. THM 3T40 (125C) Update Handbook - ATSG (Automatic Transmission Service Group) Download. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. Hydra-Matic 4L80-E Transmission Repair Manual PDF. of torque, giving it a max load capacity of 18,000 pounds. See full list on novak-adapt. The THM 4L80-E is a fully automatic rear wheel drive transmission. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1999-2002 Chevrolet Silverado. 25-2/A/B/C/HD/X 4L80E FULL MANUAL VALVE BODY WIRING INSTRUCTIONS 1. These have a common problem with the transmission internal wiring harness. 5TD/4L80E 3. 700-R4 (1987-1993) $35. Connect the pink wire to a key-on 12 volt (+) source. TRACING CIRCUITS Figures 1 through 3 are examples of how the wiring. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. GRAIL - Home. Technicians or other persons not having automatic transaxle or transmission know-how may find this publication somewhat technically complex if additional instruction is not provided. 1-liter gas engines and 6. Once it got to 180 it would not come back. No pressure rise forward, limited to 130 in reverse. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission Guide 4L80-E PDF free online. See full list on novak-adapt. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission Guide 4L80-E - PDF Download. 3 Transbrake Page 7/36. electronically controlled transmissions such as GM’s 4L60E, 4L65E, 4L80E, and 4L85E. Install the locking tool onto the Low/Reverse servo. light duty trucks for The only way to retrive trouble codes is with a scanner such as Tech 2, snap-on, otc or equivelent. Transmission will be in whatever gear the shifter is in. EZ TCU Electronic Automatic Transmission Controller. All I had to do is flick the key and get it back. This is a computer controlled transmission first introduced in G. Pre-1993 4L80E transmissions use a different internal wiring harness and pass-through connector. Dave s Jaguar XJ6 LS1 Swap. The THM 4L80-E is a fully automatic rear wheel drive transmission. The ATSG 4L60 (700-R4) Technical Manual covers assembly, dis-assembly, diagnosis, and troubleshooting. It offers a fourth gear overdrive to increase fuel efficiency. Also, the 4L80E performance transmission was designed for cars up to 16,500 lbs GVWR with towing capacity up to 22,000 LBS, and whose engine is up to 440 ft. This engineering change required the addition of a. Wed Sep 18 Jet, TCI, and others have controllers. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. May 2, 2017 #20 someoldmoose New member. Also, the 4L80E performance transmission was designed for cars up to 16,500 lbs GVWR with towing capacity up to 22,000 LBS, and whose engine is up to 440 ft. megashift™ gpio v2 10 4l80e build instructions. It shares many components and design features. Bypass the radiator. 2000 Toyota Tundra Owners Manual Pdf PDF Download How much torque can a 700R4 handle Hot Rod Forum April 28th, 2018 - If you are going with big power and high vehicle weight step up to the 4l80e 4l85e it is pretty much a th. Details about the 4L60E and 4L80E Kit Contents Photo 5 Picture and List of what's provided in this kit. Easily Convert the 4L80E to Full Manual Control They say necessity is. All I had to do is flick the key and get it back. GM recommends upgrading to the newer connector and wiring harness. Full Manual, Performance 4L80E Transmission, Level 4 The baddest of the bad, this is a non-electronic 4L80E transmission. Page 1 INDEX 4L80E 2nd Printing. Hydra-Matic 4L80-E Transmission Repair Manual. To answer as asked though, the voltage and frequency will vary with. The dealer seemed to know of this problem. Condition: One or more of the following problems: - The Malfunction Indicator Lamp is on. Just identify the parts you need and give us a call. This transmission is extremely reliable, powerful, and not complicated in terms of design. Unless you prevent it: Sooner or later high pressure problems de-velop that breaks expensive hard parts. A trouble shooting overhaul guide is also available to assist. I think another issue getting the 10 speeds in everything is the 10 speed is a Ford transmission. These transmissions have solenoids that control which gears are activated, and an electronically controlled transmission fluid pressure system, that can regulate shift firmness and clutch holding ability. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. Available Soon. 2000 Toyota Tundra Owners Manual Pdf PDF Download. Checking Cooler Line Pressure or Surge Check cooler line pressure or surge. Ships from and sold by Northern Auto Parts. 5TD/4L80E 3. 42 gear The trans shifts great in all forward gears, no codes, and locks up the torque converter as it should. 10 4L80E Build Instructions. King Quad Wiring Diagram For 1992 Saab 9 5 Emission. When I bought it a week ago it would go into both when the trans got to 175 then it would go out. You must also fix the root cause / problems in the control circuits of the valve body The flip side of this thread is I have decided to gather information & photos to start web pages for the 4L80E tranny. Despite its name, the 4L80E is not an upgrade to its GM counterparts. Common complaints on this transmission soft 2-3, no upshifts, burnt direct clutch, broken hard parts due to high. Fits 1991-13 4L80E, 4L85E. 443 A C 4L80E (MT-1), 4L85E (MN8) 4 SPEED RWD (Electronic Control) Revision 06/2019. Re: 4l80e transmission overheating. With 4L60-E, 4L65-E, 4L80-E or 4L85-E. General Details. Disconnect a cooler line. 48-ACT-VL6 without tools. 5L Diesel 4 Spd RWD 4X4; Escalade, ESV, EXT. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. This unit has also surfaced in some rather exotic and unexpected vehicles simply because those manufacturers wanted one of the best, most reliable units available at. We are confident the SK® relief valve intersecting the boost system will prevent the problem. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. Harsh or Improper Shifting. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. 5TD/4L80E 3. 90-92 F-Car, 90-91 Y-Car : DM32x8F. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6. Most likely you have knowledge that, people have see numerous period for their favorite books next this 4l80e transmission manual, but end up in harmful downloads. TRACING CIRCUITS Figures 1 through 3 are examples of how the wiring. no slipping whatsoever. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. Good mounting areas include under the dash, behind a kick panel, or under the seat, as long as the unit and wiring are not subject to. This device is a set of five, nor-mally open, pressure switches that detect fluid pressure within the valve body passages (Fig-ure 11). 4L60É, 4L80E,4L30E DiagnosiS. Then he talks about the common problems found in this transmission and the solutions to those prob. In 1997 the unit became a 5-speed by applying the front servo to obtain an overdriven first and 5th. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. I'm trying to find the latest troubleshooting information for the HMMWV's 4L80E and 4L85E transmissions. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. The 4L80-E (and similar 4L85-E) was a series of automatic transmissions from General Motors. These transmissions have solenoids that control which gears are activated, and an electronically controlled transmission fluid pressure system, that can regulate shift firmness and clutch holding ability. 2000 Toyota Tundra Owners Manual Pdf PDF Download. 75 overdrive. May 19, 2018 by Jason. You haven't confirmed step 1. These have a common problem with the transmission internal wiring harness. 8 Manual Shift Connection (Optional) - C8 The TCU is configured such that it's possible to have fully manual upshifts and downshifts at the flick of a switch like a bump stick. newco autoline e catalogue. Available Soon. General Details. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans. 1994 Full Size Pick Up Ignition System No-Start Diagnostic Manual. Otherwise, malfunction of the valve body and its solenoid valves is most likely because of contamination by products of the wear. We thought this was a high miles problem, but find that it can happen in really hard hot service at any milage. 94-95 HD Trucks with 4L80E or Manual Trans. electronically controlled transmissions such as GM's 4L60E, 4L65E, 4L80E, and 4L85E. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. We are confident the SK® relief valve intersecting the boost system will prevent the problem. dave s jaguar xj6 ls1 swap. When I bought it a week ago it would go into both when the trans got to 175 then it would go out. As an aid to the. Attach one end of a rubber hose to the disconnected line coming from the radiator. Condition: One or more of the following problems: - The Malfunction Indicator Lamp is on. Ships from and sold by Northern Auto Parts. Codes can be cleared by. 3 Transbrake Page 7/36. Make sure that the bolt on the locking tool allows the oil pan to be reinstalled and fill the pan with oil. 4L80E AFL Repair Kits. com/manuals/mshift/4L80E/4L80e. Fits 1991-13 4L80E, 4L85E. 5TD/4L80E 3. Whether you need 4L80E wiring diagram information, 4L80E transmission rebuilders tips, 4L80E technical information, 4L80E diagnostics, 4L80E troubleshooting help, or just answers to your 4L80E transmission rebuilders question, the Transmission Rebuilders Network is the place to go!. Yukon, & Pick ups NV246C Tahoe, Yukon, Suburban 1998 - up Medium-duty, magnesium case, electric shift. no slipping whatsoever. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. 48 second, 1. Manual Shift Only (Transgo®) 1 91-Up T34173E 4L80E-3. The 4L80E has a max torque rating of 440 lb. Once it got to 180 it would not come back. Re: 4L80e drops out of overdrive. The 4L80E is being found in more and more high performance, race, and tow vehicles over the last few years. Fits 1991-13 4L80E, 4L85E. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6. This works by first activating the manual mode with one switch to Terminal C. TOOL02 Forward Clutch Piston Seal Protector & Installer Kit Part No. As an aid to the. Chevrolet Van Wikipedia. Whether you need 4L80E wiring diagram information, 4L80E transmission rebuilders tips, 4L80E technical information, 4L80E diagnostics, 4L80E troubleshooting help, or just answers to your 4L80E transmission rebuilders question, the Transmission Rebuilders Network is the place to go!. Condition: One or more of the following problems: - The Malfunction Indicator Lamp is on. With 4L60-E, 4L65-E, 4L80-E or 4L85-E. Connect the pink wire to a key-on 12 volt (+) source. In 1997 the unit became a 5-speed by applying the front servo to obtain an overdriven first and 5th. Install the locking tool onto the Low/Reverse servo. light duty trucks for The only way to retrive trouble codes is with a scanner such as Tech 2, snap-on, otc or equivelent. TOOL03 FourthClutch Piston Seal Protector & Installer Kit Part No. Book Is Fully Illustrated. This early harness has a problem with leaking fluid at the pass-through connector. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. 2000 Toyota Tundra Owners Manual Pdf PDF Download How much torque can a 700R4 handle Hot Rod Forum April 28th, 2018 - If you are going with big power and high vehicle weight step up to the 4l80e 4l85e it is pretty much a th. 4L80E/4L85E only - This connects to the input speed sensor (TISS) on the 4L80E transmission. 4L80E Specifications. The driver must depress the brake pedal in order to move the gear selector from. We are confident the SK® relief valve intersecting the boost system will prevent the problem. 91-93 HD Trucks with 4L80E or Manual Trans. 48-ACT-TL with tools. 1994 Full Size Pick Up Ignition System No-Start Diagnostic Manual. Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. One of the most common (and most frustrating) problems that happens to the 4L80E is when it loses 3rd and 4th gear at the same time. The automatic gearbox 4L80E differs by the improved reliability and is able to operate under normal use for 30 or more years without repairs. 48 second, 1. 3 Transbrake Page 7/36. GM 4L60E 4L65E Transmission Pumps Parts. general motors 4l60e 4l65e 4l70e transmission parts. 4L80E Transmission problems. It is the. Easily Convert the 4L80E to Full Manual. 4L80E Installation Guide Pre-Install Step 1: Inspection Compare new transmission with the one being replaced and ensure that all connections are identical or compatible. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. Unofficial Guide To Xbox Live PDF Download stchrysostoms org. ailing transmission. I thought it may help someone out. If your 4L80E is slipping, overheating, shifting irregularly or making noise, you should have it repaired before or, in conjunction with the installation of your B&M 4L80E Shift Improver Kit. ity problems: P0740 — TCC Solenoid Electrical Fault P0753 — 1-2 Solenoid Electrical Fault P0758 — 2-3 Solenoid Electrical Fault P0785 — 3-2 Solenoid Electrical Fault P1860 — TCC PWM Solenoid Electrical Fault • 4L80E applications fail to shift, or will drop into second gear intermittently. The 4L80 is a famous predecessor the 3-speed 3L80. Locate the 2-wire harness on the driver side of the transmission case towards the rear of the transmission. The flutes will channel a steady supply of lube oil directly to the overdrive planetary gearset. File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. Newco Autoline e Catalogue. 3 Transbrake Page 7/36. my 2000 4L80E connected to my 6. Once it got to 180 it would not come back. The THM 4L80-E is a fully automatic rear wheel drive transmission. Then he talks about the common problems found in this transmission and the solutions to those prob. 1-liter gas engines and 6. Quic Select Category. **Shipping rates. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6. Your 4L80E has a set of clutches that work with both 3’rd and 4’th gear. One of the most common (and most frustrating) problems that happens to the 4L80E is when it loses 3rd and 4th gear at the same time. problems of the united states as world trader and banker. 4L60É, 4L80E,4L30E DiagnosiS. Last edited: May 2, 2017. Pin Count) Step 2: Flushing the System. Hydra-Matic 4L80-E Transmission Repair Manual. EGR valve spring weak causing lean burn miss in engine, feels like a miss but runs great otherwise even at stall. Fits 1991-13 4L80E, 4L85E. Ground is provided by the vehicle PCM in a specific sequence to control shift scheduling (figure 1). Acces PDF Atsg 4l80e Manual Problems 1991 - 2013 GM Truck Van 4L80E Transmission In Vehicle Partial Rebuild P1870 P730 P756 (Chevy \u0026 GMC) 4L60 Transmission, No 3rd Or 4th Gear, Disassembly And How To Diagnose The Problem Turbo 5. The THM 4L80-E is a fully automatic rear wheel drive transmission. Make sure that the bolt on the locking tool allows the oil pan to be reinstalled and fill the pan with oil. 4L80-E 4L85-E ATSG rebuild/overhaul manuals cover transmission assembly, dis-assembly, diagnosis, and troubleshooting. In 1996, with the 4. File Type PDF Atsg 4l80e Manual This is a Brand New 4L80E ATSG Technical Service and Repair Manual for GM Applications. The transmission fluid was drained and flushed, the filter changed, and a new transmission fluid. The THM 4L80-E is a fully automatic rear wheel drive transmission. FAMOUS GM TRANSMISSION 4L80E, ENJOY IT!. The solenoids are both powered with system voltage when the ignition is on. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. Attach one end of a rubber hose to the disconnected line coming from the radiator. It was also adopted in Rolls Royce and Bentley vehicles. Checking Cooler Line Pressure or Surge Check cooler line pressure or surge. - The instrument cluster is inoperative. 2000 Toyota Tundra Owners Manual Pdf PDF Download. In fact, once the transmission “shifts” into third, it’ll feel like you lost the whole thing. Manual Shift Only (Transgo®) 1 91-Up T34173E 4L80E-3. 4L60É, 4L80E,4L30E DiagnosiS. With the oil pan installed and filled to the proper oil level, make the shift test to see if you now have reverse with the parking brake applied. GM 125C (3T40) - ATSG (Automatic Transmission Service Group) Download. 10 4L80E Build Instructions. FIGURE 7 FIGURE 8 Lube oil to the intermediate sprag and intermediate clutch assembly is supplied. 4L80E Specifications. This item: ATSG 4L80E THM Transmission Repair Manual Automotive $32. NP243C Blazer, Suburban, Tahoe 1996 - up Medium-duty, aluminum case, electric shift. Wire installations should be neat and tied down to prevent tugging and fraying of wires at connections. TOOL03 FourthClutch Piston Seal Protector & Installer Kit Part No. We thought this was a high miles problem, but find that it can happen in really hard hot service at any milage. 3 Transbrake Page 7/36. In 1996, with the 4. The 4L80E, an electronic, overdrive-equipped version of the venerable TH-400, is tough enough. 4L80E AFL Repair Kits. 3L V8 8-speed shiftable automatic 4WD w/low range. Solenoids are fine. It clunks like its in, but 100% freewheels. Add to Cart. Wire installations should be neat and tied down to prevent tugging and fraying of wires at connections. Also known as BW4470. 75 overdrive. Happy reading 4l80e Wiring Plug Book everyone. ity problems: P0740 — TCC Solenoid Electrical Fault P0753 — 1–2 Solenoid Electrical Fault P0758 — 2–3 Solenoid Electrical Fault P0785 — 3–2 Solenoid Electrical Fault P1860 — TCC PWM Solenoid Electrical Fault • 4L80E applications fail to shift, or will drop into second gear intermittently. Converts normal 4L80E to full manual operation. Quic Select Category. These have a common problem with the transmission internal wiring harness. ATI has over 50 years of transmission, torque converter and performance component manufacturing and drag racing experience. Available Soon. 48-ACT-TL with tools. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. 48-ACT-VL6 without tools. Book Is Fully Illustrated. GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission File Type PDF Atsg 4l80e Manual Atsg 4l80e Manual This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. 041" shim in the gear train to re-center the. 4l80e vss ppm. GM 125C (3T40) - ATSG (Automatic Transmission Service Group) Download. Aug 9, 2009. I installed it and. Self diagnostics allow users of every skill level to fully utilize the EZ-TCU™. 10 4L80E Build Instructions. Buy the selected items together. 4L80-E's also use the "early" style drum and an actual sprag. The 4L80 is a famous predecessor the 3-speed 3L80. The THM 4L80-E is a fully automatic rear wheel drive transmission. Otherwise, malfunction of the valve body and its solenoid valves is most likely because of contamination by products of the wear. If your 4L80E is slipping, overheating, shifting irregularly or making noise, you should have it repaired before or, in conjunction with the installation of your B&M 4L80E Shift Improver Kit. APPLICATIONS: Hummer H1 1993-2005 V8 Gas 6.