4l80e Slips When Warm

Interestingly, manufacturers have designed transmission systems so that these sent 'limp-mode' computer signals have the identical affect on the transmission as what simply taking away supplied power to the shift and line pressure solenoids has, as in the case of a transmission harness being detached or cut. Also don't forget to use the R-1, 1-R shifting pattern when plowing, reduces the chance of loosing the reverse band, common on the 4L80e. When 4T65E trans is cold-all gears lock in, and shifts correctly. On the track they will run hot through each lap. It slips in all gears and will sometimes take a while to shift, but it shifts into all gears before 3500 rpms, and reverse always works. Transmission fluid expands when it's hot, so filling it to the fill line when the car's not running can cause overfill. 73's and 265/75-16's It has approx. All I had to do is flick the key and get it back. This is a 95 3500 series w/5. The first thing any technician will check as part of the diagnosis is the transmission fluid as you have done. 3L Eng, 2WD or 4X4 GM. A fuel efficient automatic transmission fluid recommended for GM, Ford and Toyota transmissions where lighter viscosity oil is required. In order to get a realistic value, use: Your finish line MPH (from ET slip) Your finish line RPM; Your ring and pinion (gear size) Your circumference or roll out of the rear tires. The Transmission Authority is the authority on quality, selection, and convenience. This is a computer controlled transmission first introduced in G. Just a quick rev up and the back to normal. Seals on the engaging mechanisms, allow fluid pressure to flow passed. This page answers all the concerns for enthusiasts and shops unfamiliar with the ins and outs of performing a 6 speed automatic conversion/swap. transmissions and transfer cases for your car, truck, or SUV. The best online source for Performance Truck discussion. CAUSE: Solenoids or wires. Due to the size of the Graphics below, Please be patient While Pages are Loading. I drove it daily and it shifted fine and never slipped. had it rebuilt and now at 135k on it the tranny is slipping again just like the first time. What your problem sounds like is a slipping set of clutches. 67 Add to cart YOKE, SONNAX T2-3-13131HP, Powerglide, Turbo 350, 700R4, 200-4R and 4L60E Transmission Slip yoke. C Slip on Sale. can clear the code and will shift gears normally but no lockup and after a 5 to 10 mile drive will shift hard but stll no lockup. First, check the fluid level to make sure it is full. The gearing to move such a heavy load is a 2. gmc serria 2500hd 4l80e tranny 2008 gmc serria 2500 hd is having transmission problems when its pulling a trailer. This transmission was produced by General Motors, but is also sometimes known by the name Hydramatic. Chevrolet would not help on either one. Use a small prybar that has a 90 degree bend on one end. Receive a price quote in minutes for your used engines, used transmission, and other used auto parts, from top-rated junk-yards, salvage yards, and automative recycling centers. 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 pump was bad. This car is the Best Example that I have ever been able to catch while it was acting up. First, check the fluid level to make sure it is full. As Kirt Koeller suggested, the problem was indeed caused by an aftermarket filter and a bad "O" ring. Common problems with the 4L60E transmission include the third and fourth gears not working, slow or slipping reverse gear and sudden grinding noise in second gear. SW Used Transmissions is the nation’s premier supplier of quality replacement and used transmissions. Some of today's transmissions use (PWM) pulse width modulated solenoids that are controlled by a duty cycle. Your "Go To Guys" For Transmission Repair Clutch & Transmission Technicians CTT Hot Rod Gallery Clutch & Transmission Technicians CTT Hot Rod Gallery 700R4 overdrive conversion CTT Hot Rod Gallery Clutch replacement CTT Hot Rod Gallery Clutch & Transmission Technicians CTT Hot. Hot This Week. the problem: 4l80e tranny sometimes slips out of overdive then shifts hard after coming to a stop and taking off. The TH400 & 4L80E used the same narrow snap ring during production, Most HD snap ring are actually production A727 Direct Drum snap rings that are marked up & sold as a special part for the TH400/4L80E Intermediate Clutch. After it sits a while it go's again, but repeats. I'm running 8 psi on an LS1 with 212 @. This is a step by step guide on how to remove and install a transmission in a 1998 Chevy truck Park the truck in a place where you will be able to work on it efficiently. Complaint: Slips in reverse, 2-3 flare or slip, possible ratio codes. Bowler Performance Transmissions 10885 May Chapel Road, Lawrenceville, IL 62439. 00 these days. ailing transmission. 4L80E electrical problems? Bill: 12-16-07 : I have a 1997 GMC Savanna van 5. Modern transmissions, such as the GM 4L80E have the same or better power handling capability with far less parasitic loss. 48 first gear, 1. feels like it goes into neutral engine rpms go up then it makes a boom sound and goes into 2nd or 3rd gear with reduced engine power. Ive seen tranny shops around here that sell 4L80e's rebuilt for cheap, like 6-800 range. Automatic Transmission problems of the 2000 Chevrolet Silverado 22 problems related to automatic transmission have been reported for the 2000 Chevrolet Silverado. two problems with the 4l80e one could be line pressure, the other the 80e has a fail safe that wont let the trans shift to reverse if it senses a speed of greater than 8mph. CAUSE: Solenoids or wires. Fluid_Ounces TADD TD2-3-10431X GM Turbo 400,TH400 & Munce 4L80E SuperT10 Transmission Slip Yoke 2-3. The article DID say that an automatic transmission will upshift at lower speeds if the driver is accelerating gently, while the same upshifts will take place at higher speeds when the driver is flooring it. 7 to 1 overdrive ratio making even 4. Transmission electrical diagnosis troubleshooting help on all your transmission problems or questions. Engine RPM Calculation Basics. Also don't forget to use the R-1, 1-R shifting pattern when plowing, reduces the chance of loosing the reverse band, common on the 4L80e. my mechanic has replaced switch on break pedal and dosent want to pull trans out because it dosent slip or such. The transmission shifts erratically, slips or does not shift at all. If not, there are a lot of shops that can make the driveshaft shorter for you. Go Kart Automatic Transmission Circuit Hot Rods Wire Diagram Trucks Vehicles Chevy Silverado. Questions and Answers. Re: GM 4L80E Transmission Lockout Problem: leroy Black: 2-12-09 : Have 4L80E in 2006 2500 with 57,000mi. Top-Gun Driveshaft 4L80E. All 5 Doug listed are from our selection from Ebay. I would have a warm fuzzy feeling if I knew the tranny would act differently in 2WD then in 4WD. So, in conclusion, it seems completely possible that with new transmission fluid, it only took 10 miles of driving time for it to burn up. Later models apparently use 614 Hertz. Even though the ls in the volvo is a newer engine, it still does not make the power and torque in n/a form like the vette does. 7L 4l80E runs (shifts) perfect cold fluid on stick is clean starts to slip badly after warming up but If I turn off the key and restart works good again for 5- 10 minutes then slips again. It just really drives like I have a stall converter and it is just the original converter that came with the 4L80E. When hot it might grab reverse good but slip, it might not even move, it might move but slip. of torque, giving it a max load capacity of 18,000 pounds. At a stop light, the trans imperceptibly "lets go" of 1st and, when I hit the gas to go, it "bumps" into gear and then goes. Had to replace a flexplat twice on 2003 Chevrolet 1500hd (4x4). Specializing in vehicles equipped with the 6L80/90 transmission, the 8L90 transmission, and the 6T70 transmission. Ive seen tranny shops around here that sell 4L80e's rebuilt for cheap, like 6-800 range. Entire transmission cooling system must be completely cleaned, hot flushed, and flow tested. I've upped the TCC pressure to 1000 kpa and upped the slip ingagement 30% as well as setting max/min tcc duty solenoid to 100 % and 0%. The above tranny coolers were ones that I went back to the wreckers because I thought that the tranny cooler that I had installed (see below) was blocking the radiator and stopping it from cooling. Use a small prybar that has a 90 degree bend on one end. 0l 4l80e trans fluid starts discoloring every 10,000 Swapping fluid + filter again this weekend but feel a rebuild/swap is in the near future as the typical 1-2gear whine is louder. If not you know at least the 4l8e is not in there. The solenoids have plastic bodies and they all break sooner or later. When I bought it a week ago it would go into both when the trans got to 175 then it would go out. These pans are sand cast and then CNC machined to exact tolerances. It does have tranny hold back when put in first and letting off the gas at 25mph. 52:1, the downside with the deeper First is the major rpm drop in the 1-2 and 2-3 gear changes that the 700R4/4L60 force upon you. I have a 2002 TrailBlazer 4x4 with 174K miles on it. SWAPPER'S GUIDE: GM Automatic Overdrive Transmissions At first, the idea of adding an overdrive feature was novel to hot rodders and enthusiasts, but it is now another piece of must-have equipment for the complete car. 3l and I'm having transmission problem it won't shift to 3rd and high rpms that was today, yesterday it was changing to all shifts only problem was it was with high rpm and it said transmission hot then I stop let it cool down then I took off again and it was running good for about 15 min and then it started to go slow I was going 70mph and I could. As the owner of a vehicle, the only thing you can do to diagnose why you have a slipping transmission is to check the transmission fluid level and condition. My transmission in my 1993 motorhome with a Chevy 4L80E (only 7000 miles on motorhome) will not shift into 3rd gear. You’ll notice this when, especially after heavy acceleration, the clutch tends to slip. How to Remove and Install a Transmission in a 1998 Chevy Truck. It is possible to remedy a fluid problem by removing the check ball from its cage in the case in the rear of the trans may help (must remove valve body), or adding a high-viscosity additive such as Lucas Transmission. 5 turbo diesel. This is a computer controlled transmission first introduced in G. That said, the units in the Corvette are pretty stocky. You may have to register before you can post: click the register link above to proceed. What your problem sounds like is a slipping set of clutches. 4L80E electrical problems? Bill: 12-16-07 : I have a 1997 GMC Savanna van 5. this will. Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. 4L60E Trans & Conv, Fits 2002 Chevrolet Trailblazer, 5. When sitting outside in the cold, the tranny won't shift at all. The clutches or bands, which allow the vehicle to move, do not operate instantly. 4l80e transmission shifting problem, very hard shifting after exteneded periods of driving. Automatic Transmission problems of the 2000 Chevrolet Silverado 22 problems related to automatic transmission have been reported for the 2000 Chevrolet Silverado. When 4T65E trans is cold-all gears lock in, and shifts correctly. 0L chevy, will pump fluid to the tranny cooler and all the way back to the tranny, but does not want to go back into 4L80E cooling problems - Pirate4x4. I have a 2002 TrailBlazer 4x4 with 174K miles on it. The torque converter efficiency is greater than 0. does this have any thing to do with the TV cable not being conected?. A complete kit designed to connect your transmission cooler ports to your external transmission cooler. light duty trucks for 1991. The good news is that either way, you win. The torque converter, in layman terms, is designed to transfer the power from the engine to the transmission. If you want power performance and durability all at a low price then you come to the right spot. the trans fluid goes from the 4L80E into the right side of the radiator, then from there into the aux cooler as pictured above, then back to the transmission. Can you crossbreed transmissions, though? Like say a 700R4 tailshaft on a TH350 or is that impossible? Thanks, Dave. I installed a 700r4 in my 60 chevy. P0730 states “incorrect gear ratio”. Also don't forget to use the R-1, 1-R shifting pattern when plowing, reduces the chance of loosing the reverse band, common on the 4L80e. We have carefully engineered a process that allows us to maximize performance and stay within a wholesale price range. 4L80E Specifications. We feature daily all C Slip listings. and how extremely headache it is to do the wire harness. by Timothy Charlet on. Instead a consistent slip of 20 to 40 RPM is maintained. $100 firm priced to sell located in Harrietsfield near Halifax. With something as sophisticated as a transmission, an ounce of prevention is definitely worth a pound of cure. Building awesome horsepower is only part of the story. But while the 4L80E is a strong, heavy-duty transmission, during the first few years of production the 4L80E was not as durable as its design permitted due mainly to faulty parts. Take it for a ride which will work the oil into the transmission and really warm it up right. Also makes noise rattling when it slips. You Must Know These Common Symptoms of a Bad Transmission Solenoid We highlight the symptoms of a bad transmission solenoid, to help you effectively identify and solve the problems in your car's transmission system. These pans are sand cast and then CNC machined to exact tolerances. Page 16- Nick's diesel 245 project projects & restorations. Specializing in vehicles equipped with the 6L80/90 transmission, the 8L90 transmission, and the 6T70 transmission. Transmission repairs can be very costly so be sure to completely diagnose and be sure of the symptoms of your problem before you take your car in for a transmission service. 4l80e Transmission Problems » welcome to our site, this is images about 4l80e transmission problems posted by Maria Rodriquez in Wiring category on Oct 08, 2019. Why does my Transmission slip and buck in overdrive? I have a 1984 GMC 2500 vandura with a 700r4 trans mission,I have noticed that while in overdrive only,that it seems to slip out of gear, or buck (sorry best way to describe) is there an external control module? or is this problem internal?. had it rebuilt and now at 135k on it the tranny is slipping again just like the first time. Transmission Repair. I can handle getting these assemblies out and changing them, no worr. The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain. There are more then one set in an automatic transmission. LS SWAPS: Engine Management Systems Guide March 9, 2015 by LS Engine DiY Each engine requires its own computer, and the programming must match the engine, so computers can’t be swapped even if the plugs are the same type. You do need a slip yoke in a passenger car just like any other transmission. For the controler there is also the option of building your own. No - showed way overfull when checked while running, hot level surface, like an inch past the 4L80E problem - hard shifting suddenly - Diesel Place : Chevrolet and GMC Diesel Truck Forums. By 1700 rpm problem disappears. 1996 4L80E transmission slipping Fouled Plug. Shift the transmission from drive to reverse a few times. Shift problems with 4l80E. does this have any thing to do with the TV cable not being conected?. The 4L60E Transmission has went through many changes/improvements over the years since it first came out in 1982. When i got home, I unhooked the battery to try and reset the computer. I've got a 1996 Suburban 4L80E that, when hot, seems to slip out of 1st gear at idle. The reverse circuit is wide open at the manual valve. When hot it might grab reverse good but slip, it might not even move, it might move but slip. Neutral ON OFF N/A ON * N/A. Also check the oil level in the gearbox - it should drip out of the filler hole in the left side of the box. NISSAN TITAN ARMADA TRANSMISSION OIL PAN 3139090X00 , 3139090X0B. Top 4 Symptoms. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes. im doing a motor swap for an lq4 engine and my eyes are bleeding from research and my brain are extremely tired. Common Fixes for a Transmission that Jerks or Hesitates John Baker | Jun 05, 2017 8:52 AM Here are a few common reasons why your transmission may shift erratically, jerk or hesitate. The 4L80E has a max torque rating of 440 lb. Check your pressure if you can find out what its supposed to be at your cooling line. 4l80e-htrk Fits General Motors 4L80E and 4L85E 1991-2009 Includes spacers to set up end play and our patented High Temperature sealing rings for Forward, Direct and 4th Clutch. There was one other occasion when the trans did what you said. Chevy Silverado and GMC Sierra Transmission Problems. These problems can be caused when the external sensors on the vehicle go bad. That said, the units in the Corvette are pretty stocky. If you are using a later model 4L80E (apparently at the beginning of the 1994 model year) change the ' PC PWM Period ' to 1. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to. usually with a speed sensor problem it will go into "safe mode" which is only first gear. We recommend starting there. All conditions are met for 2 seconds. Typically, line pressure at factory idle speed will be 110-140 psi, and rise to 160-170 with higher engine RPM. If the one-way torque converter clutch slips, then the vehicle will characteristically have very poor acceleration. By 1700 rpm problem disappears. Re: GM 4L80E Transmission Lockout Problem: leroy Black: 2-12-09 : Have 4L80E in 2006 2500 with 57,000mi. Plus you get that ever important extra gear. It just really drives like I have a stall converter and it is just the original converter that came with the 4L80E. 10 gears and 33" tires for a road trip to see how it did, and it did not do good. As I gave it a bit of throttle, I felt it slip and it dropped down to 3rd gear. I used a break out box to see if it was trans at fault but its not. Before the rebuild it would just slip, then after a few days it suddenly lost reverse for good. Also check the oil level in the gearbox - it should drip out of the filler hole in the left side of the box. After it sits a while it go's again, but repeats. 4l80E Slips when warm Oct 04 2018, 7:49pm I bought a 1996 Suburban 2500 4x4, with the 454 and 4l80e about a year ago with 113k miles on it. this will. With the ECCC system, the pressure plate does not fully lock to the torque converter. This lets me eliminate the Low/Reverse clutch circuit as a possible cause. Note, when hot, the fluid got to about 1/2 way between the cold and hot mark on the dip stick. While both manual and automatic transmissions use fluids, when most people talk about the best transmission fluid, they are talking about automatic transmission fluids because manual transmission fluid only lubricates. It will feel just like the converter is losing power while all along, the engine is making power, but the master clutch assembly is not transferring power to the torque converter. Common problems are: Check engine light comes on. I would have a warm fuzzy feeling if I knew the tranny would act differently in 2WD then in 4WD. Neutral ON OFF N/A ON * N/A. We feature daily all C Slip listings. GM 4L80E technical information The 4L80E transmission is a four speed automatic with torque converter clutch. I'm looking for a little info on my 4L80E trans that will not move when switched to reverse, there was a. Edit: the 4L80E wasn't offered in 1500 light duty trucks, just to be clear. It does have tranny hold back when put in first and letting off the gas at 25mph. We have carefully engineered a process that allows us to maximize performance and stay within a wholesale price range. Transmission fluid is leaking out of my transmission vent tube. This is a 95 3500 series w/5. It's an astonishing build that features a Bowler 4L80E transmission. 2nd Clutch Inner Seal Installer Protector GM 4L80E Non-stock item, manufacturer drop ship; please email [email protected] The first thing any technician will check as part of the diagnosis is the transmission fluid as you have done. Perform a back pressure or a vacuum test to verify a restricted exhaust. Southern Performance Systems offers a 6L80E Transmission Package that includes: 6L80E Transmission - Factory Take-Out (Extremely Low Mileage) 2,400 RPM Torque Converter. As with all Jake's Performance transmissions they start with a select core that is disassembled, the case is hot tanked, pressure washed, inspected, painted and prepped for reassembly. 4L60E Trans & Conv, Fits 2002 Chevrolet Trailblazer, 5. It runs fine when its cold, but after it gets warm it wont "go" anymore. I installed a 700r4 in my 60 chevy. We recommend starting there. I mentioned to a few other people about what was going on and apparently it's a 240 wagon thing and most of them do that. Combined with city driving, your transmission fluid is bound to heat up and wear out sooner, so it pays to check it frequently. He said you can trash the trans within 10 miles with a bad pump. 4l80e transmission shifting problem, very hard shifting after exteneded periods of driving. Engine RPM Calculation Basics. The RPMs will jump up but the ****** will not shift. I want to thank you for making products that work. Push truck inside for the night and we can drive it out the next day after cycling the shifter through all the gears. The early 4L80E pressure control solenoid is PWM at 293 Hertz (same as the 4L60E). I just added an 11x11x3/4" cooler this weekend hoping it would make a difference, but it didn't really seem to (maybe 5 degrees). It was a couple of years ago, I think, that the front page of this site showed off Lucas oil stabilizer. 4L60E - Shallow Pan 7. Hot This Week. 4l60e shifting problems: I have a 1996 gmc 1500 ext. This is a non-quoted item and the price fluctuates; we have to get pricing each time an order is placed. Enjoy our great prices and fast shipping. Shift solenoids are actuators used by electronically controlled transmissions to control fluid flow. i have a 1993 gmc 3/4 ton hd ( biggest piece of @!$#% i ever owned) with a 4l80e tranny in it,at 120k the tranny went while on the highway. You Must Know These Common Symptoms of a Bad Transmission Solenoid We highlight the symptoms of a bad transmission solenoid, to help you effectively identify and solve the problems in your car's transmission system. 8 Differential combo. Note, when hot, the fluid got to about 1/2 way between the cold and hot mark on the dip stick. It's an astonishing build that features a Bowler 4L80E transmission. Equip cars, trucks & SUVs with 2002 Chevrolet Silverado 2500 HD Automatic Transmission from AutoZone. Ive seen tranny shops around here that sell 4L80e's rebuilt for cheap, like 6-800 range. gmhightechperformance. 46930-HTRK 4L80E High-temp ring and endplay kit 1991-on. at first it will start out going into reverse slow but will go into it and dont slip, but after a while i have nothing at all in. They are wanting to rebuild it. 5 turbo diesel. If you overfilled transmission fluid, you can tell by checking the transmission fluid dipstick, check it when your car engine is running. Consequently, the 6L80E is essentially the replacement for the venerable, TH400-based 4L80E rather than a successor to the 700R4-based 4L60E. When it fails to do so, you naturally get upset either because of the trouble you are not looking for or the fear of how much the fix may cost. I recently did a refresh on a friend's 4L80E (basic rebuild, New bushings, washers etc. Transmission electrical diagnosis troubleshooting help on all your transmission problems or questions. Drive in "3" to verify. A vehicle with a slipping one-way torque converter clutch will experience a 20 to 30% decreased fuel economy. Plus you get that ever important extra gear. Complaint: Slips in reverse, 2-3 flare or slip, possible ratio codes. Remanufactured and Rebuilt Engines for Cars and Trucks. 4L80E electrical problems? Bill: 12-16-07 : I have a 1997 GMC Savanna van 5. 4L60E 2-3 Shift Flare Burning 3-4 clutches (Fix) If you have a delay in your shifting or no 2-3 shift on WOT use this attached to check your settings. If the fluid is low, and you haven't driven the vehicle with the transmission slipping too much, you may have gotten off lucky. Compare the 4L80E for a car that actual gets driven on the street & highway:. The transmission shifts erratically, slips or does not shift at all. If driven around town is ok but if hauling it wont start for 2 hours. With franchises conveniently located coast-to-coast, Mister Transmission is the largest chain of transmission and driveline repair specialists in Canada. if your trans has a bolt on drive shaft yoke this trans will not work but I could take apart and install bolt on shaft for small fee as trans would have to be taken apart all the way. gmc serria 2500hd 4l80e tranny 2008 gmc serria 2500 hd is having transmission problems when its pulling a trailer. 06:1) in the 700R4, you are in the right place. has all four gears but no lockup Has code Po894 slipping components will turn on chek engine light after a while. The part# I have written in my book is A22878C (. Hughes Performance has a 4L80E transmission available for practically any engine combination and power level. But sinds twoo weeks it has no reverse anymore. Modern transmission performance is very achievable in older vehicles, especially with all the advances currently being made in the aftermarket. This is the worlds first 700R4 / 4L60E to 4L80E swap direct replacement. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 4L60E 2-3 Shift Flare Burning 3-4 clutches (Fix) If you have a delay in your shifting or no 2-3 shift on WOT use this attached to check your settings. If you hit the gas and your van slips between the gears, refuses to shift, or it doesn't go anywhere at all, then you may have a failed 4L80E shift solenoid. Contains no solvents. Roadkill Customs has evolved from local hot rod shop to online how-to magazine for budget-minded do-it-yourself hot rod builders and enthusiasts. 6l80/6l90 reverse and 3rd and 5th gear problem. GMC Sierra 1500 Transmission Problems. Once it's warm, the transmission shifts perfectly, and the whine completely ceases. At a stop light, the trans imperceptibly "lets go" of 1st and, when I hit the gas to go, it "bumps" into gear and then goes. The likely would be that the transmission fluid level is low, transmission linkage, or a mechanical fault. im doing a motor swap for an lq4 engine and my eyes are bleeding from research and my brain are extremely tired. 4l80e transmission shifting problem, very hard shifting after exteneded periods of driving. It runs fine when its cold, but after it gets warm it wont "go" anymore. Upgrade your stock automatic transmission shifter to an accurate high performance shifter from JEGS. Today, Hurst continues to develop industry leading performance products and carry out George’s original vision. It was standard in the 1500HD. gmc serria 2500hd 4l80e tranny 2008 gmc serria 2500 hd is having transmission problems when its pulling a trailer. this will. Bowler Performance Transmissions 10885 May Chapel Road, Lawrenceville, IL 62439. 00 third, and 0. Drop-in fix for leaks causing TCC slip codes. 5 turbo diesel. Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. I have a 1045A2 with a 4L80E transmission. The $1,800 covered the cost to rebuild the transmission and yes, it is a 4L80E. I notice that LOS is not held in high regard and actually seems dangerous. The ECU wont let the tranny shift into O/D until the tranny is warm, so its. After warm up and at op temp, all gears slip badly. Trans Go makes a full manual vavle body kit for the 4L80E that eleminates the computer. 4l80e/4l85e I am swapping 70 out and 80 in, I ordered the bracket for the cable from the shifter. When the transmission goes from 2nd to 3rd it slips as if there is no 3rd gear. Drive in "3" to verify. Was not slipping before service, now it is after having the 50k done. This transmission was produced by General Motors, but is also sometimes known by the name Hydramatic. As the owner of a vehicle, the only thing you can do to diagnose why you have a slipping transmission is to check the transmission fluid level and condition. I then learned the GMC & Chevy 1/2 ton pick ups and Suburbans had a lot of transmission problems in the late 90’s and early 00’s models. To check your automatic transmission fluid, look for a dipstick handle. This Heavy Duty/RV 4L80E Transmission is built with TCI Components to handle 450-550 HP from all V8 engines. All automatic transmission systems have a valve body which serves as the “brain” of the transmission. Can you crossbreed transmissions, though? Like say a 700R4 tailshaft on a TH350 or is that impossible? Thanks, Dave. A low level of transmission fluid (usually due to a transmission fluid leak) can also cause the transmission to slip. The turbine vanes in the turbine are curved opposite to the impeller. 00 these days. Let's just say that when the time comes for my built 4L80E,he is going to be heavily involved. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. 4L80e no reverse when hot Hi guys, i have a 4l80e that I built two months ago, when everything is cold all grears work great however when things warm up ( like driving for 20 miles or so ) I start loosing reverse. 0l 4l80e Trans whine, pump issue, slip questions Discussion in 'LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech' started by BlownShovel, Feb 6, 2012. - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. If I'm at 55mph it stays locked. 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 lock-up torque converter and advanced electronic controls. 050 wider than the TH400 sprag race. It's an astonishing build that features a Bowler 4L80E transmission. Transmission Slipping, Rough Shifting or Hesitation. I mentioned to a few other people about what was going on and apparently it's a 240 wagon thing and most of them do that. Input Shaft, 4L80E (. Re: 4L80E Transmission Problems: Mark: 5-5-09 : I also have a problem with a 4L80 trans defaulting to 2nd gear. Common problems are: Check engine light comes on. Dennys Driveshaft transmission slip yoke and Transfer Case slip yokes powerglide t-350 t-400 4l60 4l80 700r4 muncie borg warner richmond doug nash c-4 c-6 aod top loader tremec 727 904 a833 for a variety of high performance car, street rod and race car applications as well as New Process and Borg Warner 4x4 truck slip yokes in 1310 1330 and. Last night my 4L80e lost overdrive with absolutely no warning. It is equipped with the through the radiator cooler and the small factory external cooler. 1500HD 4x4 CCSB 6. at first it will start out going into reverse slow but will go into it and dont slip, but after a while i have nothing at all in. When 4T65E trans is cold-all gears lock in, and shifts correctly. Automatic Transmission problems of the 2003 Chevrolet Silverado 22 problems related to automatic transmission have been reported for the 2003 Chevrolet Silverado. LS SWAPS: Engine Management Systems Guide March 9, 2015 by LS Engine DiY Each engine requires its own computer, and the programming must match the engine, so computers can’t be swapped even if the plugs are the same type. 48 first gear, 1.