Those are the primary reasons that the 4L60E fails in reverse. Is it possible that the engine was revving fast when reverse was engaged? Alternatively, was the vehicle moving forward? If so this can cause the sun shell to fail. If reverse suddenly fails with no warning, it’s very likely to be the sun shell.
Almost like it wasn’t quite biting al the way.
It should also have started to feel a little weird for a bit before it failed. When they go out it often leaves a putrid smell.
#4l60e transmission 2wd manual
The clutches in an automatic transmission wear just like the simple clutch of a manual transmission. If there was an egg smell for a while when engaging reverse, it’s more than likely going to be the friction bands/low reverse clutch pack. If you are an observant person you might be able to help yourself identify which problem caused the 4L60E to lose reverse. In this example it’s the sun shell that has caused the issue. Here’s a short but sweet YouTube video that covers some of the most common issues that cause the 4L60E to lose reverse. It is known to snap where the splines meet the shell itself. Sun Shell- A broken sun shell will cause the 4L60E to lose reverse.
#4l60e transmission 2wd series
If the valve body ends up warped, or if the gasket fails, it’s entirely possible that the gear won’t engage.īooster Valve- A bad booster valve can leave you without reverse in a hurry. Details GM 4L60E Transmission Dimensions This transmission includes the bell-housing bolt pattern to fit Small Block Chevy/Big Block Chevy & 4.3L V6 engines (LS Series Engines should use transmissions 555-603020 or 555-603025). Valve Body Issues- A bad valve body can make the reverse gear not work in the 4L60E. If the pan looks good, and the fluid looks clean, than it’s likely not going to be the low reverse clutch causing the problem. Typically, when any of the clutch packs wear out, they begin to drop debris in the transmission pan. Low Reverse Clutch Pack- The most likely part of the 4L60E to have failed in reverse is the low reverse clutch pack. Below we will cover the most common problems that cause reverse to fail. Complementing your Chevrolet Performance crate engine with a factory-engineered new or remanufactured performance transmission is a cinch with our comprehensive lineup of automatic transmissions, torque converters and installation kits. Whether you need a 4l60e for your truck, van SUV, or car, we can help. Having no reverse can be a tricky issue, especially if you happened to park against a wall. Chevrolet Performance New and Remanufactured Transmissions. Our network has the best used 2 and 4 wheel drive 4l60e transmissions that won’t break the bank. One of the most common problems with the 4L60E is that the reverse gear will go out.
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