If the lines aren't cleaned, hooked up improperly, oil is reused or recycled, etc. Could trans shifter linkage inside trans be messed up? Call Monday-Friday 9-5 Central 1-888-995-7278. I can pump out 1 gal thru the dipstick tube which is nice. This heavy duty transmission is a direct replacement for Buick, Cadillac, and Olsmobile vehicles. Whether you need 4T80E wiring diagram information, 4T80E transmission rebuilders tips, 4T80E technical information, 4T80E diagnostics, 4T80E troubleshooting help, or just answers to your 4T80E transmission rebuilders question, the is the place to go! The risks are as you noted in your post.
Although this information is available in current model year Service Manuals, its inclusion provides for a quick reference guide that is useful to the technician. For nearly two decades starting in the 90s, the General Motors built 4T80E has been the premier transmission that was used in Buick, Cadillac, Oldsmobile and Pontiac cars typically featuring larger engines like the V8. Bad shift solenoid 4T80E The transmissions above are 4 speed automatics that are computer controlled. We have carefully engineered a process that allows a 4T80E rebuild to maximize performance and durability while staying within a wholesale price range. If the fluid is flush at the bottom of the side plug hole, it's at a proper level.
Do not take the risk. From our performance valve bodies and lock-up torque converter to our pressure-tested seals and gaskets our 4T80E transmission is one you can buy with confidence last longer than any other transmission on the market. Are you looking for 4T80-E transmission troubleshooting help, 4T80-E rebuilding tips, 4T80-E technical service bulletins or technical information? Are you having problems fixing a 4T80E transmission? The 4T80 is built at in. The is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. After years of research we have implemented a series of upgraded components to turn what was once a a flawed transmission to one of the most reliable on the market.
Make sure you or a shop runs a scanner on the vehicle. The Lucerne was available in a number of different trim levels, including the Special Edition and the Super. Gear ratios for the 4T80-E transmission are: 1 st-2. Welcome to our 4T80E transmission sale. No other way to describe it.
So spool valve in trams is always in gear but shift selector works properly so car can be started? The Aurora had the 4. There is considerable debris coating the inside of the transmission pan with miles as anyone who has done this can attest. These are a only a few of the more common problems with the 4T80E transmission. Inspection, Checked for: Leaks Shifting Difficulties Vibrations Excessive Noise Temperature and Performance 4T80E Gear Ratios: 2. Atlthough he sounded convincing, after reading here, I decided dropping the pan would be the safest route to go. If the line has fluids in it, then replace the modulator. A standard draining will do about the same and will also provide some idea of the wear rate fine pwder versus metal chips.
The Guru has helped me several times in the past and his advice has always been spot-on. So, change the oil in a 4T60 transmission when it is cold to get the most oil out. Once this happens, the death of your transmission is just around the corner. So what if all the oil cannot be removed. I did just that a month ago. Now that I think about it, maybe there was no filter. It was available with three engines: 3.
Designed for configurations, the series includes 4 forward gears. The problem may come and go, but the onboard computer will initiate a backup program to maintain the transmission's performance if the problem is not addressed. Out of curiosity, what would cause this and is there a way to keep it from happening in the future? The 2000 caddys had an external neutral safety switch. How to Extend the Life of the 4T80 Transmission in Your Buick Lucerne Posted by on Tuesday, July 29th, 2014 The 4T80 is a four-speed automatic transmission designed and built by General Motors. The V6 versions of the car used the lighter duty 4T65 transmission.
Beware: Common Problems of the 4T80E Automatic Transmission Posted by on Thursday, January 17th, 2013 made by General Motors for use in cars with the engine mounted transversely. Do you just have 4T80-E questions and need some answers? Fold-out pages containing fluid flow schematics and two dunensional illustrations of major components graphically display hydraulic circuits. Doing so causes the gasket to be squeezed out and the result is a leak. The 4T80-E transmission is electronically controlled and features an automatic with an electronically controlled clutch. Cadillacs equipped with the 5L40 or 5L50-E five-speed automatic, such as the Catera, feature no transmission dipstick because transmission shifting problems and failures are often caused by over-filling or using the wrong fluid, according to aa1car. That is why there is a hidden drain plug underneath the bottom pan to drain the side cover when the pan is off for service One of our members blunted had his tranny fluid drained and they forgot to drain the side pan.
Throughout the years this 4 Speed automatic became known for some of its inherent flaws that contributed to it's breaking down. Whether you need 4T80-E wiring diagram information, 4T80-E transmission rebuilders tips, 4T80-E technical information, 4T80-E troubleshooting help, or just answers to your 4T80-E transmission rebuilders question, the is the place to go! Replacing the pawl stopper and bushing in the shifter assembly will solve the problem. All types of leaks are common with this transmission, especially those that sit for long periods of time without being driven. The information I was able to find says the available final-drive ratios are 3. Disconnect one of the cooler lines at the radiator, put it into a bucket and start the engine. Gear ratios: 1 2 3 4 R 2. They said there was no way contamination could happen.
All sorts of problems can result from bad shift solenoids. Normal transmission maintenance is a good idea. All that debris in the pan is laying around in areas where there is little oil flow by definition. You might also want to take a look at the seals that keep fluid from coming out of the transaxle where the two front wheel drive shafts enter the transmission. From our performance valve bodies and lock-up torque converter to our pressure-tested seals and gaskets our 4T80E transmission is one you can buy with confidence last longer than any other transmission on the market.