4l80e transmission problems overdrive download

As such, gm took several internal components and designs from the th400 to build a new transmission it named the 4l80e. I believe the transmission mount is in a different place so youd need to move your crossmember. This problem is not listed in the troubleshooting manual, anyone have a diagnoses. Mar 18, 2019 the overdrive gear is gear number four. However, chevrolet silverado 2500 transmission problems do still happen. They are designed and built with oem quality in mind while still being. Compatible with most popular gm transmissions, including the 4l60e, 4l65e, 4l80e and 4l85e, and the tci 6x sixspeed transmission. This is because the gear vendors unit overdrives the output shaft and the 4l80e overdrive unit must overdrive the forward and direct drums,and both gearsets because it is located in the front of the transmission. May 02, 2018 in this video, well give you some tips on setup and tuning for the us shift quick 4 transmission control system with a 4l80e or 4l85e transmission, and many of these points also apply to the quick 2. Racing and towing performanceoverdrive economy the absolute highest horsepower handling overdrive you can buy. Heres some info on the early 4l80e transmission problems. The gmpp transmission adapter kit pn 19154766 is a tidy collection that. The street strip gm 4l80e automatic transmission fits gm models 1997 and up and has a 34 element intermediate sprag, high energy intermediate band, new overdrive sprag assembly, new low roller assembly, performance friction materials, all new solenoids and wiring harness, recalibrated valve body, performance pump assembly, steel forward hub and. Mar 25, 2004 and the 4l80e has two speed sensors, an in and an out.

Chevy 4l80e transmissions for sale, no reverse problems. Doing what small bit of troubleshooting i can before i pull the trans out. Get your kindle here, or download a free kindle reading app. Automatic transmission controllers gm transmission make. Hi i have a 1997 chevy 3500 dually with 454 4l80e trans have problem with it taking off in second gear and has no 4th just second and third replaced solnoids and now has first second third but still n. Transmission overdrive gears are particularly useful for highway driving, where increased speed is needed.

The 4l80e rpo mt1 is rated to handle engines with up to 440 ftlbf 597 nm of torque. In this video, curt goes through how to tear down a 4l80e. Hence, there was a need for a heavyduty automatic transmission with an overdrive to be built. The overdrive planet was changed in the internal spline area. Our streetstrip series 4l80e is a great choice for combinations producing up to 850 flywheel horsepower. It provides park, reverse, neutral, and four forward speeds with 4th gear being overdrive. The 4l80e, an electronic, overdrive equipped version of the. The 4l60e has a weight of 150 lbs without fluid and a length of 23. It basically uses many of the same internal components as the th400 but has an overdrive fourth gear and. Gm 4l80e automatic transmission maximum overdrive hot rod. When going from 3rd to overdrive, the tach would rev up to around 4500 rpms and then it would drop into overdrive. Lost passing gear overdrive suddenly 1991 chevy suburban 454 w 4l80e trans. Make a long story short i drained transmission fluid, pulled cover and replaced solinoid b controls third,4th and overdrive.

Its not as aggressive as the 4l60e though, which has a final gear ratio of. Especially if one or more of the vb bolts is so tight that it breaks a. The thm 4l80e is a fully automatic rear wheel drive transmission. As the 4l60e ages, one of the most common problems that it develops is that it wont shift into overdrive anymore. Whether you need 4l80e wiring diagram information, 4l80e transmission rebuilders tips, 4l80e technical information, 4l80e diagnostics, 4l80e troubleshooting help, or. It is significantly larger than the 4l60e and if you compare the cases side by side it makes the smaller transmission look tiny. Inside hughes performances 4l80e overdrive transmission.

Well, the 4l80e transmission is a 4speed overdrive transmission. Shifting from overdrive to drive at 5560 mph and not all the time but mostly during high mosture days or rain. For rvs, trucks, muscle cars, hot rods, and racing. Gm electronic overdrive transmissions performance automatic. The 4l80e keeps doesnt drop the engine rpm as much between shifts because it is a heavy duty transmission and assumes that you could very well be. Unfollow 4l80e transmission to stop getting updates on your ebay feed.

May 19, 2018 the 4l80e transmission is a fully computer controlled transmission that comes bolted to the higher horsepower and torque trucks. Our transmission controllers are compact, packed with features, and have a builtin display for tuning as well as userfriendly software for more indepth tuning. Driving without problems for 8 years a 3500 k dually 6. I bought a 4l80e automatic trans out of a late model pickup to put in my 66 bel air. The 4l80e is a manual transmission that has a maximum engine input torque of 440 lbft and is capable of providing an output torque of up to 885 lbft. My speedo appears to be off by about 5mph, if that matters. Ensure that the new transmission is not damaged prior to installation. The overdrive transmission system is designed to increase engine efficiency, as long as its used according to the manufacturers recommendations. We swapped a big block chevy into the car a few years ago with a th400 transmission and now id like to add an overdrive transmission. Remember, codes 12 and 63 will always appear and should be disregarded. Despite its name, the 4l80e is not an upgrade to its gm counterparts. The shift pattern is controlled electronically with two solenoids that recieve a ground signal from the powertrain control module pcm.

The gear vendors unit does produce an overdrive ratio at a lower power loss than the 4l80e. It has a 25 percent overdrive and is 4 inches longer than the th400, but the trans mount is moved rearward by an inchandahalf. Gm 4l80e transmissions 4l80e rebuilds gearstar performance. When hooked up to a civi computer the transmission will manually shift through all gears. The novak guide to the gm 4l80e automatic transmission.

The first time, i was having similar tranny irregularities shifting problems with. It is the overdrive successor to the 3l80better known as the th400 for most of its life. Inspection compare new transmission with the one being replaced and ensure that all connections are identical or compatible. When i first experienced the no overdrive problem, i changed the shift solenoid for overdrive. Oct 20, 20 so my 93 1 ton with a 4l80e will not go into forth or overdrive. Similarly, about 75 percent of the 4l80e s internal parts could be interchanged in the th400. Running down the road in third gear or overdrive, between 2200 and 2400 rpms, the torque converter locks and unlocks constantly. In this edition, precisions own tech advisor john parmenter gives an assessment on the loss of 4th gear in the 4l80e transmission. Also when i short pins a and e on the j2 connector on the tcm then turn ignition to run, the warning lamp doesnt do anything. When i bought it a week ago it would go into both when the trans got to 175 then it would go out.

Ive never working on a 4l80e, im just trying to find out where to start. Write down the trouble codes from the vehicles computer as they flash over the transmission lamp located next to the shift lever. Gm automatic overdrive transmission builders and swappers guide sa design cliff ruggles on. What are the things to check when 4l80e wont shift into. Dec 09, 2012 ive rebuilt the low end on this transmission now and shes all back together but cant start her yet thanks to a p. Entire transmission cooling system must be completely cleaned, hot flushed, and flow tested. Truck has 80k and transmission was serviced at 60k by gm dealer. Transmission overdrive problems by jacquelyn jeanty. Hughes performance has a 4l80e transmission available for practically any engine combination and power level. What happens, when attempting to switch from 1st to 2nd rpms rev up high as though it is in. My transmission works properly in all gears on level roads. The 1997 and later 4l80e s have a new lube system that feeds cooler return oil to the center of the case instead of to the front fitting like the earlier models.

Depending on which th400 you select, it will either be shorter or longer than the 4l80e, so youll have to lengthen or cut your driveshaft. No software, laptop or tuning experience is required. As stated before, the 4l80e is similar to the th400. So my 93 1 ton with a 4l80e will not go into forth or overdrive. Okay well my truck has a 4 speed 4l80e transmission that does not have overdrive. Nov 17, 2008 1991 chevy suburban 2500 350 cid, 4l80e transmission. Gm automatic overdrive transmission builders and swappers guide sa design. Super chevy takes an indepth look at the hughes 4l80e overdrive tarnsmission. Jan 15, 2012 1997 4l80e in c2500 wont shift into overdrive.

Here is a common complaint concerning the 4l80e chevy transmissions. It will shift to overdrive, but then shift back right awa. Then he talks about the common problems found in this transmission and the. Just identify the parts you need and give us a call. The 4l80e is much larger and heavier than the 4l60e. The 4l80e transmission problems include the following.

Now though, the transmission will not stay in overdrive. Next, an obdii scan tool can allow you to download all of the diagnostic. When a grinding noise occurs with your transmission, it could mean a serious problem with your planetary gear system. Us shift electronic transmission control systems let you take charge of your 6r80, 4r70w, e4od, 4r100, 4l60e, or 4l80e transmission and unlock its true potential. The gm 4l80e 4speed overdrive transmission is the ultimate overdrive platform to suit virtually combination that requires the strongest overdrive transmission possible. Normal transmission operation uses the engine drive train, a torque converter and a planetary gear set to transfer engine power to the wheels, or drive shafts, according to family car parts.

The transmission rebuilders network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. Gear vendors provides overdrive product to racing cars and trucks up to 2000hp and. I have a 93 one ton chevy with a 4l80e, my truck would not go into third gear or overdrive. The 4l80e transmission is a fully computer controlled transmission that comes bolted to the higher horsepower and torque trucks. We provide an outthedoor price, with shipping, for a replacement remanufactured 4l80e transmission direct to the repair shop. Apr 01, 2006 before you attempt to diagnose electronic transmission problems. Shifting is ok but when it became in 4rth gear and i press the full accelator the care take the kick down and become in 3rd. Now it feels like the transmission gives me no power to the wheels and if i shift manually while moving under pressure the transmission shakes. I have an issue with the automatic transmission, the 4l80e. This didnt help but then it was suggested to me to check the electrical connection at. Need illustrated parts drawing to assist you in identification of the parts that you might need.

Automatic transmissions 4l80e transmission type free. Remanufactured 4l80e transmissions street smart transmission. The ultimate in horsepower handling and performance. I have a 2000 model old style chevy 34 ton with 350 engine and 4l80e transmission. If you ever again find yourself taking apart a transmission with what appears to be a serious overtightened vb, use a new case and vb the first time. The 4l80e is not without problems though, as hard shifts and losing the reverse gear are some of the most common problems reported from this transmission. The eztcu allows for maximum electronic control over shift points, shift firmness and shift speed. What are the things to check when 4l80e wont shift into overdrive i have a 1994 gmc suburban 2500 that will not go into od. Many interchange problems can occur by swapping parts between 1st and 2nd design. Of course, we cant forget that gm 4l80e transmissions can also be found in less appealing vehicles such as motorhomes and school buses. Overview of the 4l80e transmission gearstar performance. Problem started with it going into limp mode sticking in 2nd gear.

Everything you need to know about rebuilding a 4l80e transmission. The tranny took a little over 4 qts to refill, which is pretty normal. The 4l80e transmission is the advanced progeny of the legendary turbohydramatic th400 automatic transmission, and is based heavily on the 400 in both parts and strength, yet featuring an added overdrive gear, a lockup torque converter and advanced electronic controls. Dec 20, 2012 what are the things to check when 4l80e wont shift into overdrive i have a 1994 gmc suburban 2500 that will not go into od. On this website you will find performance heavy duty transmission parts the others dont sell. Gm automatic overdrive transmission builders and swappers. Having problems with your 4l80e gm automatic transmission that is used in heavy duty chevrolet and gmc pickups, vans and motor homes.

Weve outlined a detailed overview of the 4l80e transmission. Atsg 4l80e thm transmission repair manual automotive july 29, 2015. It will unlock for about a second and then lock back up. Hard parts free delivery possible on eligible purchases. Everything you need to know about rebuilding a 4l80e. As different cars run off of various engine makes and designs, there may be recommended speed ranges where this extra gear will work best.

For awhile it would shift in oc at around 45mph then at 50mph it would downshift into 3rd and you would have to restart the truck for it to work. Youd also lose overdrive, of course, which to me would be the main reason to not do it. Have peace of mind, knowing that your new 4l80e transmission has all the updates developed by general motors engineers combined with the latest industry advancements providing unparalleled oe strength and durability. The 4l80e is a truck automatic transmission that was introduced by gm in the early 90s. Yesterday, i dropped my tranny oil pan and replaced the filter. My transmission is having issues switching from 1st to 2nd gear and same issue from 5th to 6th.

My transmission in my 1993 motorhome with a chevy 4l80e only 7000 miles on motorhome chevrolet g30 question. Without overdrive, your vehicle turns into a time machine and takes you back to an era where it was the norm for a vehicle to scream down the highway at 3000 rpm. I mean to say, when i shift in to r, i feel the klick and it seems it will go reverse but it not. The 4l80e is being found in more and more high performance, race, and tow vehicles over the last few years. How to 4l80e transgo hd2 shift kit install intermediate ring direct drum springs a21bravo duration. The 4l80e and similar 4l85e was a series of automatic transmissions from general motors. Its lightweight and powerful 598ci engine requires mild final gearing and a modified 4l80e overdrive automatic to get it moving very quickly and running very relaxed at 70 mph.