4l80e transmission 6 speed problems I went through all 18 pages but got confused. 00 (in) Product Description Input / Output Speed sensor. 0 gas. When I start the engine, I get no drive in any gear and engine RPM does not change when changing Look at the ratios, it is just a close ratio 4l80 6 speed, the top two gears are the same on both transmissions. Are there 2 of them for input and output. It offers a fourth gear overdrive to increase fuel efficiency. Below, you'll find a ton of troubleshooting your transmission problems. 2K views 31 replies 6 participants 2004 2500HD 6. 0 lq4 swap with BTR stage 2 truck cam 2005 4l80e 2wd trans swap. It was designed for both AWD/4WD and RWD General Motors applications. I'd like to build my first transmission and These TCI 6x 6-speed GM 4L80E automatic transmissions are the first aftermarket 6-speed automatic transmissions capable of handling 850 hp. From slipping gears to clutch failures, these problems can often affect drivability. It is the Transmission Fluid Temperature Sensor. The hard working GMC Savana 2500 HD was equipped with the 4L80E transmission in early models, the 4L60E in certain models, and the 6-speed 6L90 in later models. Whether you're curious GMC C3500 HD Transmission Recalls None Found GMC C3500 HD Technical Service Bulletins (TSB) TSB 08-07-30-016 – Slipping, refusal to shift, overheating GMC Sierra 3500 HD 4L80E Problem – Slipping between the gears, overheating, refusal to shift out of a gear, and/or DTC P0894 or P0218, may be because by friction material debonding from the torque convertor The 4L80E transmission is a direct descendent of the heavy duty TH400 3-speed automatic transmission. The 1994 6. SKU: 34436K UPC: 34436K Availability: Usually ships within 24 hour from Transmission Parts Now, fast free shipping to the US. But they aren’t without their problems though The 4WD GMC K1500 (hence the ‘K’ designation) was equipped with the 4L60E transmission, the 4L80E transmission, and the 6L80 transmission. I . 5 turbo Diesel, automatic transmission (4L80e), electronic fuel injection, aftermarket injector pump controller/cooler, performance exhaust rust spots, lots of kms, labour of love. The GMC Sierra 2500 HD came equipped with the 4L60E transmission, 4L65E transmission and 4L80E transmission in early models. The 6l80 was introduced back in 2009, which According to MotorTrend, GM's 4L80-E transmissions were made in America while in production. 2L) STANDALONE WIRING HARNESS W/6L80E GM V8 Tuning - Transmission 4l80e tuning downshift issues Page 1 of 2 1 2 Last Jump to page: Results 1 to 20 of 22 Thread: 4l80e tuning downshift issues Thread Tools Show Printable Version 02-18-2015 #1 sarg View Profile View Forum Posts The 4L80e has a manifold pressure sensor inside the pan which can cause the issue you are having. Hello all, hoping I can get some answers here. Discover how to keep your 10-speed automatic transmission Never had a problem with controlling the lockup on the old transmission. 3L, 5. 00, and 0. Shifts were nice, took a little more throttle than usual, but that was about it. The heavy duty internal components are rated to withstand engines with up to 440 lb-ft of torque, and a GVWR of up to 18,000 lbs. 5TD 2500 4x4 4L80 3. A torque The TCI 6 speed has what I think as a poor to ok gear spacing. So, what causes the no 3rd gear or 4th gear problem? Below are some common 4-Speed Automatic Transmission 4l60 transmission problems Jump to Latest 2. When the Torque converter Solenoid strokes the piston the transmission fluid leaks past when hot. Per the publication, 4L80-Es were manufactured at GM's Willow Run plant in Ypsilanti, Michigan between 6 TROUBLE SHOOTING CHARTS THM 4L80-E CENTER GEAR BOX CHANGES FOR 1999 MODELS CHANGE: Beginning at the start of production for all 1999 model THM 4L80E transmissions, the planetary pinions on both carriers were produced 10% Diagnosing a 4L80-E shift concern can be easy, as long as you understand some basic techniques to help get to the root of the problem. This has been happening on and off for about 6 months now. I mean the transmission will shift correctly in 2wd, 4hi, and 4low, as well as have the speedometer read correctly in hi and low. It uses the Input Speed Sensor to monitor input speeds to compare against engine speed and output Shaft Sensor speed, using this data to adjust shift speeds under instantly detectable conditions. transmission problems found in the GMC Yukon and other similar-sized vehicles like the We rigged up a six speed 4L80E years ago by manipulating the electronics, there was no real advantage and thus no reason to market it. But don't delay for it will cause trans to go into destruct mode if it (manifold pressure sensor) is bad! Try SONNEX for all updates to the GM 4L80e. You should have no trouble recognizing the robust 6L80E in a lineup of identical transmissions. Test drive to about 30mph with engine screaming. 75 over drive. I replaced the input speed sensor no help replaced the output speed sensor again no help. 4l80 starts out in 1st gear. I’ve heard a little about this—did they [] Hi Jeff, I have a 700 R4 trani with a dash mounted after market switch to engage or disengage my 4l80e transmission Thank You for the reply , I checked the codes and there are none thats why I belive that it is the trans its self with inturnel problems, when this first happened I was coming home from work I stoped for fuel when I left station it started acting up , thats why I wondered if a 4l80e out of a 2wheel drive would work if I could chage the tail shaft so my The 6-speed, longitudinal automatic transmission powers several GM trucks and a wide range of vehicles alongside its successor, the 6L90E model. 5 will work behind your engine (or what they would suggest). It is found in vehicles like the Jimmy, Astro, Camaro, and Safari. I'm hoping you can either help me out or point me in the right direction. 0-LT Trim Retired ASE Master Tech & ASE Service Writer Vietnam Vet, American Legion & VFW The transfer case wiring harness includes a short extension to connect the transmission case rear speed sensor connector to the speed sensor in the transfer case. While on the road, I can shift from D into 2 and it will downshift ONLY when going above 30 MPH. This transmission is very powerful and 4L80/85E Transmissions. If the transmission is properly built, lubricating circuit changes will not be 4L80E in Yukon XL 2500 models, the 6-speed 6L80 in later models, and the 6-speed 6L90 in the later model Yukon XL 2500. In most applications requiring a trans as strong as a 4L80E the torque of the engine will not require such a close ratio spread to keep the engine in its power band, but for others the the 6X can make a lot of sense. It is stuck in limp mode. Call the tech line of several of the big trans/converter builders and see if they think a stock replacement converter for a 6. 10 gears-G80 locker-MT1 4L80E-6. , like the TCI 6X. General Motors originally manufactured this transmission. 5L F-Code Detroit Turbo Diesel, 4L80E 2004 Chevrolet Silverado 2500HD, 4x4, 6. It can handle 440 lb/ft I think the stall speed will be much higher behind the cummins than the stock 6. It is also used in many different types of cars and trucks. The 4l80 is a four-speed automatic transmission, while the 6l80 is a six-speed automatic transmission. Updated and Upgraded. What happens is that when I stop at a trafic light about 3 seconds and it feels like the Home / Transmission Conversions / Gen IV, Gen V, LS, LT1, LT4 Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit Gen IV, Gen V, LS, LT1, LT4 Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit 4L80/4L85 Full Manual Valve Body Conversion Kit '09 - '15 LY6 (6. 0l and lately it has been doing an occasional hard shift from 3rd to OD just as you let off the gas it slams in to OD. I’m wondering if you’ve ever had any issues with the 2-6 clutch pack out of spec after rebuild? P0894 is a somewhat common DTC trouble code. A local transmission shop installed the transmission and adapted the original The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. I have built tons of the 4L80E transmissions and never have I had a problem like this? The Chevy was towed into our shop and wouldn't move or start because starter bolts were broken inside of starter 4L80E by General Motors is one of the most popular four-speed automatic transmissions out there. 5l td a couple months back, and it had a bad and leaking transmission (4l80e). The 5. 75) for quicker acceleration and increased fuel economy at cruising speeds. I was told that it was replaced in the truck at Did a little research and talked with a transmission guy. Replacing the rear Vehicle Speed Sensor (VSS) fixed the problem! Cheap, easy fix. Remember, early Since your transmission has 200Ks on it the problem is likely that the valve sleeve bore has worn. It's in a 2500 Suburban, 115k miles, I have a 6400 pound travel trailer that I pull a few times a year, and a cargo trailer in that same weight range loaded, that I pull. It was used in HD applications. To do this, a total of four 4L80E solenoids are used, including a PWM TCC solenoid. The 6L80 has unique operations, such as an advanced computer controller constructed into the valve body and a direct clutch to clutch shifting. Lost my first transmission at 143,000. 9K views 12 replies and TCC raise such pressures significantly over stock so opening up those orifices offsets the excess pressure to avoid problems. Under that powerful engine was the beefed up 4T80E transmission, which was designed to handle all of the torque that aluminum V8 put out. But they aren’t without their problems though, so let’s look at some of the most common GMC Sierra 1500 transmission 6. Swapped 2 wires in main trans connector Using original 4l60e neutral switch The General Motors 6L80-E & 6L90-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to family SUV’s. In this Drivetrain 101, we’ll analyze all of its most 4L80E problems Post by davecan1234 » Sun Dec 14, 2008 2:11 am I have a 98 GMC K2500 6. I'm enjoying this forum. As the transmissions evolved, we got introduced to Each Heavy Duty Extreme Transmission from Wholesale Automatic Transmissions is built to perform and comes fully dyno and quality tested with a written report to ensure trouble free installation. The GMC Sierra 1500 was equipped with the 4L60E in early models, and 6-speed 6L80 in later models and 8-speed 8L90 in 2015+ models. First introduced in 1991, these transmissions went through multiple upgrades that go all the way up to the 2000s. doc 2005trans6_4L80E. But they aren’t without their problems though, so let’s look at some of the most common GMC Savana 2500 HD transmission problems, look at cost estimates and figure out what you can do about them. It was used for trucks and SUVs with the engine capacity from 5 liters. 97, 2. I had no signs of problems before it slipped once turning onto an entrance ramp. The 4L80E transmission may feature two speed sensors, one for turbine input speed and one for output speed. I’ve put 3,000 miles I have a 93 Chevy with a 4L80E Transmission 6. So, at this point I've changed the fluid and filter, both shift solenoid's, TPS, and both speed sensors. Shifts into second, then doesn't shift up any further. 7 and 4L60E. It has So I asked the experts and they say that the users may encounter several problems in interchanging the 4L80E transmission if they are not properly built. When you see the nomenclature of the 4L80E, it readily informs users that this is a longitudinally-mounted, 4-speed transmission designed for vehicles that weigh nothing less than 8000 lbs. Knowledge is needed This is my how-to for swapping any GM transmission into a 4th gen Ram 1500 that currently has a 545/65rfe. WOW what an improvement. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400 , first produced in October 1963. P0730 – Incorrect Gear Ratio – This issue could be caused by a number of problems, including a fault in the transmission control module, dirty transmission fluid, or a bad transmission solenoid. (813) 235-0800 Call Us Text A VIN# Mon-Thu 9AM-8PM | Fri-Sat 9AM-5PM EST Customer Support - (813) 235-0800 Dear Half-Mast, I’m trying to find the latest troubleshooting information for the HMMWV’s 4L80E and 4L85E transmissions. 0 Electronic Transmission Wiring (Holley EFI Wiring Manual LINK) Holley Dominator EFI currently supports the use of 4L60E, 4L65E, 4L70E, 4L80E, and 4L85E transmissions. I thought the oil might be low, checked and indeed it was a tiny bit low. If you buy one, let us all know The 4-speed automatic transmission GM 4L80 was introduced 1990. So far the ones I know about are TCI and PATC. I'm not getting it to shift out of 2. I hacked in to the harness I 6-Speed Automatic Transmission 6l90e transmissions Jump to Latest 14K views 24 replies 5 participants If one drives them without servicing them, at usually around 165K miles they start having problems with their TECHMs. Bought a 1991 chevy box truck 6. MW7 or W74- Allison Transmission, It’s very likely that the diesel Silverado will have one of these. On the other hand, the 1997 and later 4wd applications may lack the rear sensor. 0L models, the 4L80E in Yukon XL 2500 models, the 6-speed 6L80 in later models and the 6-speed 6L90 in the later model Yukon XL 2500. Step 3: Split the Circuits "Mechanically" For this "No Reverse" shift issue we are going to mechanically Details 99+ 7 Bolt Core Included – No Extra Charge Media Blast Transmission Case OEM GM Lower Bell-Housing Support Included 300m Billet Input Shaft Billet FWD Clutch Hub RPM Hi-Energy Clutch Packs New Steel Plates In All Gears Direct Clutch Drum with NHTSA To Investigate Chevy Express, GMC Savana 6-Speed Automatic Transmission Issues By Rhian Hunt October 9, 2023 5:01 am Facebook Twitter LinkedIn Pinterest Email Print 12 Sponsored These issues can be frustrating, but there’s hope. Given my power level, I wanted a transmission that was 12. Then last weekend it started happening every time it Update: Added 1 quart of ATF to bring the total to 14, which is capacity. 5 2500 Silverado kicks me out of overdrive when I exceed 80 kmph. Early versions were equipped with the 4L80E transmission, and the 6L90 6-speed in later models. 4L80e/85e = Physically different and heavier duty version of 4L60e in a nutshell. They give you six forward gears (2. The hydraulic signal get so TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth The input speed sensor (and output speed sensor, mainly used for vehicle speed calculations, both of which carry the same part number) is suspected of failure, according to a Wanted to get opinions on these 4L80E-based 6-speed automatics, i. The GMC Sierra 3500HD 6. TCC solenoid circuit fault. In this Drivetrain 101, we’ll analyze all of its most prolific Find TCI 6x 6-Speed GM 4L80E Automatic Transmissions and get Free Shipping on Orders Over $109 at Summit Racing! These TCI 6x 6-speed GM 4L80E automatic transmissions are the first aftermarket 6-speed automatic transmissions capable of handling 850 hp. Conditions apply to refundable deposit – see Description. There is another check you can do if you are not going into overdrive. 75) for TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. 7L: 4L60E Transmission (Most in models 2011 and earlier) Chevy Silverado 1500 6. 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 The 2003 GMC Sierra was the 5th year of the GMT800 platform truck. I have a 95 Suburban 6. It indicates that your transmission may be slipping. A torque 4L80E transmission, the ultimate 4-speed automatic built for heavy-duty trucks, SUVs, and high-performance beasts × TALK TO AN EXPERT 800-708-0087 SEARCH Transmissions Chevy 4L60E 4L65E 4L70E 4L80E 6L80E 6L90E :chevy: 1991 GMC Sierra 2500 SL 3/4 Ton Regular Cab, Long Box, 6. P0720 – Failed Input Speed Sensor or Output Speed Sensor – This trouble code is caused by a bad speed sensor on the transmission. 5 Corp Axle, 4L80 trans with its stock cooler hauling a heavy Lance truck camper. Dealing with the 4L80E transmission can involve several mechanical challenges. 4L80E TRANSMISSION If you're dealing with a General Motors 6L80 transmission, you might be familiar with some recurring issues. The noise has since grown to kind of a rattling, rumbling and gurgling. This transmission was installed only on large SUVs, pickups and minibuses. This transmission is extremely reliable, powerful, and not complicated in terms of design. ISS OSS speed sensors Fit all 4L80E transmissions This Kit The 4l80 and the 6l80 are two different transmissions. The 4L80E has an RPO code – i. 5L engines on car-part. Hey gang, I've got a customer with a K5 Blazer that has a GM 6. If it detects a problem with the input shaft sensor, vehicle speed sensor, output shaft Some early 4L80E transmissions, 1991-1993, have had some minor issues. Our guide dives into GM 10-speed transmission problems, offering insights into causes and solutions. Do understand this check is good for DTC 83. 2. Typically, when it The 6L80 Hydra-Matic transmission is a 6 speed automatic transmission manufactured by General Motors. 31, 1. 2d 4l80e for the low mile rebuilt 4l80e and stand alone harness/transmission controller. It featured Pressure removal ballisticparts Transmission tci automatic speed 6x six shifter auto gm chevy paddle kit packages parts performance car summit transmissions package camaro 4l65e transmission Most Common Transmission Problems Gm 4l80e 4x4 performance I NEED HELP. 5 4 wheel drive with the 4l80e transmission and got code 72 for vehicle speed sensor. 5 Diesel. It could be a bad TPS, MAP sensor, EGR valve going full open, trans temp sensor, coolant temp You should have four four gears until the transmission senses that the issue has returned. I encourage this thread to be an ongoing TCC , 4th and their problems thread. But they aren’t without their problems though, so let’s look at some of the most common GMC G3500 Van / Box Truck transmission problems, look at cost I have a 2015 3500 Express with 6. It's no longer in limp mode - it just starts out in second, then shifts erratically back to first or to third no 4-speed 4L60-E automatic: $1,795 4-speed 4L80-E automatic: $2,031 6-speed 6L80 automatic: $3,899 Also read: Chevy 1500 Transmissions & Chevy 2500/3500 Transmissions Common Chevy Avalanche Transmission Problems Chevy Avalanche’s and their HD Series 4L80E Transmission - Rated for 1,000 FWHP Cleaned, prepped, and painted GM transmission case & extension housing · Output shaft set up for slip yoke (bolt-on yoke optional if specified) · All new thrust bearings, thrust washers, seals, & gaskets modify the GM 4L80E transmission As the successor to the venerable and popular Turbo Hydra matic 400 TH400 the is your step by step go to manual Muncie 4-Speed Transmissions Paul Cangialosi,2014-10-15 The Muncie 4 speeds M20 M21 and M22 Background: I am trying to plan out a 6. When manually shifting I can go from 1 to 2. 6L) and 6L90 in later models. com and the engine computer parts showed that some from the vans Common transmission problemsTransmission tci automatic speed chevy 6x six shifter auto gm paddle transmissions packages parts car summit kit package camaro performance How to solve the 4l80e transmission problems? update 2017Tci 6x 6-speed gm 4L60E Transmission Problems 🔧 Troubleshooting and Solutions Check Details TCI 6x 6-Speed GM 4L80E Automatic Transmission Packages 271700P - Free Check Details How To Tell If Your Junkyard 4L80E Is Any Good - The Driveway Engineer Check Details 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 GM four-speed automatic transmissions with forward-shifting valve bodies such as the TH700R4, 4L60E, and 4L80E transmissions can feature a quarter stick shifter. In This Issue 4L70E input speed sensor fault GM TCM damage during removal GM 4T40/65/80-4L80-E: P0730 gear ratio error The automatic transmission 4L85E was firstly presented in 2001 together with powerful engines Duramax V8 (with torque reaching up to 650 Nm). Rebuilt. 7L and 6. But they aren’t without their problems though, so let’s look at some of the most common GMC K1500 transmission problems, look at cost estimates and figure out what you can do about them. Recently I ocasionally heard a bit of a “gurgling” sound from the gearbox. It's in a '92 (mechanical) C3500 dually with 213,000 miles on it. I'm having some problems with my 4L80e not wanting to shift into 4th, or lock-up when it's cold. 0L gas, Extended When dealing with 4L60E transmission issues, understanding the right diagnostic approaches can save you time and money. It came in the lighter duty trucks. The same converter will act differently behind different engines. Hi Folks,The current TCI 6-speed 4L80E has garnered a lot of attention from hotrodders, and rightfully so. But they aren’t without their problems though, so let’s look at some of the most common GMC Savana 3500 HD transmission problems, look at cost estimates and figure out what you can do about them. When I first started having shifting problems I figured the I'm having issues with my 4l80 shifting at the speed I set the shifts at, and the lockup randomly applies sometimes at WOT way past where I have the lockup point at, I've been pulling my hair out with this trans tune and just cant seem to figure it out, do I have a 4l65e transmission Tci 6x 6-speed gm 4l80e automatic transmission packages 271700p Shift solenoid problems symptoms solenoids diagnosis 4L60E Transmission Problems - Ballistic Parts Aamco blog The General Motors 6L80-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to family SUV’s. It is a four speed overdrive transmission. 0L: 4L65E Transmission (6. While driving at what I feel is max speed of 30, I feel a very MSD Atomic transmission controller issues, 4L80E. Shifted manually to 5th and it I was checking out prices online when I came across TCI 6x 6-Speed GM 4L80E Automatic Transmissions. This happened until I was stuck in traffic The Chevy Silverado 1500 4-speed 4L60E and 4L65E was able to handle the power of the various 4. Designed for longitudinal engine configurations, the series included 4 forward gears. Is there something there that I have enabled/disabled that I shouldnt for the 80E? Still looking for solution for gear indicator on dash stuck in 1st. Run the severe service schedule About the 4L80E & Common Problems The 4L80E transmission is a 4-speed automatic gearbox that uses similar architecture as the venerable TH400. 57, 1. He originally had a th400 behind it, but has swapped to a 4l80. PN 558-405 is a fully terminated harness Starting a 4L80E information thread for those that want to learn more about these transmissions, how to service them, overhaul them or considering it for a swap into a GMT400 series truck, Squarebody or anything 4L80E transmission highlights Average lifespan:230,000-250,000 miles Reliability Score:High Prone to minor issues:No Price for repair after failure:$900-$1,300 Price for replacement:$2,500-$3,500 Availability of Hey folks I rarely ever turn to forums on the Internet for mechanical help but I am baffled I have a 97' gmc k2500 with around 167k miles on her and the transmission is acting up. Here is the complete list of 4l80e equipped cars and trucks. 5L Turbo Diesel, 4L80E Transmission Save Share The GMC G2500 Van was equipped with the 4L80E transmission models and the Allison 1000. After five years, most of the issues with these trucks had been worked out. Now, these trucks are getting older, and it's very likely that your 2003 Sierra may be having transmission problems. Basically I have a 98 Chevy Cheyenne Ext cab K1500 with the 5. Thank you for interesting in-depth 4L80e transmission build thread. 0/4L80E 4x4 _ Almost worn out Reactions: dajain Save Share Reply Like D dajain 54 posts · Joined I'm a almost Newb. 1991–2013 Chevrolet C/K 1992 Chevy S-10, extended cab, 2. 0/4l80e/np205 swap for my blazer, and the 4l80e to np205 is a difficult thing to nail down. I like having the automatic (as opposed to swapping Faulty connectors can lead to erratic shifting or failure to shift altogether. Common problems with 4l80e transmissionUsed 4l80e transmissions for sale 4l80e no reverse4l80e transmission: a complete guide to years, specs, and common problems. 5L TD and I have a problem with the trans when it gets up to temperature. Mine is at the transmission repair shop as we speak, 80K on it with a busted torque converter. 8L, 5. I have been reading into this very common issue extensively - And so far have done these to try and fix: New Throttle Position Sensor (Correctly adjusted) Verified input and output speed The GMC C2500 HD was equipped with the 4L80E transmission in early models and the Allison 1000 (6. 2L J-Code Detroit Diesel, 4L80E Transmission, 3:73, 4X4, 570`000KM :chevy::chevy: 1994 GMC Sierra 3500 SLE 1 Ton Crew Cab, Long Box, Dually, 6. I then had him swap in a stock 4L80e transmission tune in place of Howell's tune. Happy Freedom Day! TBSS 4l80E no 3rd TRANSMISSION DIAGNOSTIC PARAMETERS 2005trans6_4L80E. Though GM's 4L80E is merely a four-speed, the engineers at TCI have developed a new valvebody with an extra shift solenoid to work in conjunction with a transmission control unit (TCU) to provide Hey guys, I got my 1993 Chevrolet k2500 Silverado with 6. It does not specify what part of the transmission is the problem. Has anyone mated this to a 6. This also serves as a reminder while towing I believe. Width: 6. The next generation Chevrolet Silverado 6L80 transmission came in 2005. 4L60e/65e = 4 speed box for V6 and LS commodores, 4L65e only for LS. A good inspection of electronic connections might help identify the issue. doc Page 2 of 12 2 Trans Fluid Temp Sensor Circuit Range/ Performance (Contains 2 tests) P0711 The DTC detects two failure modes of the TFT: 1) A sensor #toyshopfab #diy #4l80e This video I dive back into my 4l80e transmission to show you 3 common problems and how to fix them yourself and to get this truck dr The 4L80E transmission may feature two speed sensors, one for turbine input speed and one for output speed. This being AZ, the summertime temps are 110+, which makes 6L80e/90e = VE/VF V8 6 speed box. I added about 200ml of ATF. That said, many drivers continue to drive their car with a problematic transmission and don’t get it checked until those issues snowball into severe, expensive fixes. Torque converter failure. It’s important to understand these potential Facing issues with your 4L80E transmission can be daunting, but with the right approach, solutions are within reach. The troubleshooting guide that I have is for older HMMWV models. 09-12-2020, 10:05 PM I have recently installed a new 4L80E transmission behind a BBC in a 1961 Impala. When hooked up to a civi computer the transmission will manually shift through all 5 Common GM 6 Speed Transmission Problems 8 Common GM 10 Speed Transmission Problems 4L80E Transmission Problems: What You Need to Know When Is the Best Time to Rent a Car: Tips for Saving Money Tci 6x 6-speed gm 4l80e automatic transmission packages 271700p4l80e transmission—all you need to know – rx mechanic Gm 750hp 2wd 4l80 transmissionsCommon-4l80e-problems. It's a lot to digest. Possible DTCs: P0741, P0742, P0751 TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. 2000 Silverado 1\2 ton. 8 V-6 w/5 speed Save Share Reply Quote Like JLanzino Discussion starter 1139 posts 4L80E Transmission, 4:10, 4X4, 432`000KM, Dailey Driver:chevy::chevy: 1988 GMC Sierra 1500 SL 1/2 Ton Extended Cab, Long Box, 5 Common Chevy Tahoe Transmission Problems 4L60-E The 4L60-E is a transmission that’s good or bad, Differences Between Transmissions The 4L80-E is a 4-speed automatic and weighs around 254 pounds without transmission fluid. 5td with 4l80e trans. I have an m1165 6. You might face issues related to the torque converter, solenoids, valve body, and others. But in this more modern application, the 4L80E valve body has 4 forward gears to control. Fluid Check: Regularly Come 2013, 6 and 8 speed transmissions became an industrial standard, leaving no room for a 4 speed transmission in modern consumer vehicles. This was mostly just a name change, as this big Caddy still offered full-size luxury, with Northstar V8 power. ‘MT1’ – manufactured domestically in GM’s Willow Run and Ypsilanti plants. Let's diagnose one. 2 525 horse crate engine swapped in running an E67 ecm. (Howell is of VERY little help on this issue) The problem appeared to be Problem – Trucks equipped with the 6-speed 6L80 or 6L90 transmission may experience no forward or reverse engagement, The easiest way to solve all of your Chevrolet Avalanche transmission problems, is to get a used 4L60E / used 4L80E / used 6L80E Two questions, the first I know will lead to some deserved scolding. And is there anything else I should look for pertaining to code 72. According to a recent contact with Despite its name, the 4L80E is not an upgrade to its GM counterparts. Where is it (they) located. The 4L80E can handle up to 750 wheel horsepower with simple 4-Speed Automatic Transmission 4L80e electrical? Jump to Latest 5. Later models got the 6L90 6-speed transmission, and the GMC Sierra 2500HD 6. But they aren’t without their problems though, so let’s look at some of the most common GMC G2500 Van transmission problems, look at cost estimates and figure out When faced with these problems, the best course of action is to get the transmission fixed or replaced with a 4L80E Transmission rebuild kit. You might be The 4L80E is a heavy duty 4-speed automatic transmission, and it’s an evolution of the 3-speed Turbo-Hydramatic 400 / TH400 transmission that was first introduced in 1963. My somewhat-new-to-me truck is a 1999 Chevy C2500 Classic, 2wd, Longbed 350, 10. After that it was a bit high but nothing changed. It has nothing to do with the TCC solenoid's valve and bore leaking. These common 6L80E transmission problems are very My 93 6. 6L90 Transmission 4L80e losing overdrive on long drives Jump to Latest I just looked up '99 K2500 trucks with manual transmissions and 6. However, since the 4L80E was in production for over 15 years, GM has had plenty of time to resolve its small problems. The shifter also comes with a detent activation to curb missed Buy Remanufactured 4L80E Transmissions Factory Direct at Street Smart Transmission. The 4l80e transmission was found in a many heavy duty GM and high end luxury vehicles, such as Rolls Royce, Bentley, and Jaguar ranging from model years 1991 – 2013. It was created to help GM meet ever more demanding CAFE regulations on their vehicles. 0L engines, while still providing impressive fuel economy. It could be a bad TPS, MAP sensor, EGR valve going full open, trans temp sensor, coolant temp sensor, and on and on. Less than 5k miles on the transmission after a rebuild and I The application use of the 6L80 transmission has been extensive over the years. 0L)/ L92 (6. Added input speed sensor connector and pinned to ecm. 75) for quicker I would call you one luck dude if you got 300K out of a 4L80E transmission. To start off with, this swap is a bit of a handful, not the cheapest solution, and there are Mopar offerings that will hold power. You need to spend some time with the gear speed calculator to see if the transmission fits your goals,especially at 6k. I do know that The 4L80-E transmission will not cool sufficiently enough while in Overdrive lockup. 6L Duramax Diesel Popular with upfitters and owners alike, the 1-ton GMC Savana 3500 HD was equipped with the 4L80E transmission in early models and 6-speed 6L90 in later models. 18, 1. 6L Duramax Diesel had the Allison 1000 The GMC Yukon was equipped with the 4L60E in early models, the 4L65E in 6. About 10k miles on humvee. 4L80E Transmission Problems: What You Need to Know 5 Common Ford 10 Speed Transmission Problems 5 Causes of Ford Designed to be a more stylish and upscale alternative to the 3/4 ton trucks from Chevrolet, Dodge and Ford. Reactions: akingbfd , BigJake965 , dieselolds and 1 other person Find TCI 6x 6-Speed GM 4L80E Automatic Transmission Packages and get Free Shipping on Orders Over $109 at Summit Racing! TCI 6x 6-speed GM 4L80E automatic transmission packages are the first aftermarket 6-speed automatic transmissions capable of handling 850 hp. 5 and what are the results as far as performance and mileage? 95 Suburban, Dual Idler Gears, JK High Capacity Water Pump, Remote Mounted FSD Cooler, Autometer "Lunar" Boost, Pyro & Trans, K&N Filter, GM-8 TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. The GMC Sierra 3500 HD was GMC’s answer to the heavy duty pickups from Ford, Dodge and Chevrolet. The 4l80 has been in production for over 50 years, which means that it has been around for a long time. 5. Installed a remanufactured one the day before yesterday and at first when I started it, and put it in drive, the engine would stall. 6L Duramax Turbo Diesel, Allison 5-speed Transmission 1993 Chevrolet Cheyenne 3500, 4x4, 6. 73's reg cab, The Feed Wagon, Max-E-Tork, Flowmaster DP, straight piped, manual GP overide, posi-lock actuator, 3" body lift, flat bed, trip hopper feeder, remote hydraulics, hay spear and bale cam. The GMC G3500 Van / Box Truck was equipped with the 4L80E transmission and the 700R4 in 80’s models. 95 degrees today and only running 142 max. One of the biggest differences is the lockup torque converter, and an additional forward gear which served as It The transmission in my x305 V12 has developed some problems. e. My stock 4l80e is showing signs of age, slipping in third gear. 0L only) The 4l80e is a fully electronic transmission and needs to be diagnosed as such. MT1– This is the 4L80E automatic transmission. 2004 GMC Sierra 3500 C&C, added 4WD, 6. A wealth of good information. 7 is a new GM motor, not a rebuild, the 4L60 has somewhere between 200k to 356k. I heard some people 4-5-6 clutch hub and intermediate shaft Due to issues with the original manufacturing process, cracks and other damage can cause a catastrophic failure of the 4-5-6 clutch pump and intermediate shaft. Throwing parts at it can really screw you because some parts are different for 91-93 vs 94-02. By the bottom of the ramp, 6th gear was gone. Because of this, General Motors retired the 4L80-E transmission going into the 2014 The 4l80e is a fully electronic transmission and needs to be diagnosed as such. A torque For instance, 1991 – 1996 4L80E’s have a speed sensor that is located at the driver’s side rear portion of the case. It is one of the best overdrive transmissions. Moreover, the 4L80E Are you facing 4l80e Transmission problems? Well, the 4l80E Transmission is a 4-speed overdrive transmission. Mechanic said he thinks transmission is ok, but torque converter has a busted piston, seal The Chevy Silverado 1500 transmission models for their pickup trucks are of the following types: Chevy Silverado 1500 4. This guide aimed to simplify troubleshooting, providing clear steps and insights. 5L TD with 80kmi was not shifting out of 2nd gear. 4-Speed Automatic Transmission 4L80E Noise Jump to Latest 206 views 6 replies 4 participants last post by OR VietVet 4. But they aren’t without their problems though, so let’s look at some of the most common GMC C2500 HD transmission problems Chevy Express 2500 Transmission Recalls None Found Chevy Express 2500 Technical Service Bulletins (TSB) TSB 08-07-30-001 – 4L80E Transmission Problem – Harsh or delayed shifts, slipping, no forward/reverse gears. 97 first gear and 1:1 5th gear with . does not look useful in the HMMWV it would shift up very quickly through the gears that the 4l80 already shifts up through very quickly, not at all like the 6-Speed Automatic Transmission GM 6L80 Transmission Information Thread Jump to Latest 69K views Great info. I had a local tuner come out and verify that the pcm knows the correct speed that the vehicle is traveling. Apologies if this is too long a post. I bought it used with 142,000 on it, and don't know any history on the transmission. Additionally, the four-speed can withstand a bit of energy than the six-speed, even though the numbers 80 in both the 6L80E and 4L80E signify the same strength rating. While P0894 is a general diagnostic trouble code The Cadillac DTS officially replaced the Cadillac DeVille in 2006 as the brand’s flagship model. The current version is rated to 850hp, and a version(s?) is in the works for 1,000hp. I have a '00 Chevy 3/4t 4wd 6. DTC 4L80E with 2nd Gear OnlyVehicle Speed Sensor My 97 K3500 6. By utilizing more gearing, the 6L80 keeps the car in it’s power band longer, improving the MPG of the vehicle between 4-7% (over the previous generation fours speed I see where Summit Racing lists a TCI transmission that was originally a 4L80E – but they list it as a six-speed transmission. Don't think the standard VZ ECU can account for the extra two gears. 2004 6. This leaves you driving around a car or truck that screams down the road. spidjau aezpcb cqgmlq wsddw eitt nkrqy mfepkbx nhqhd xfbzh xrfcgw