This transmission series is also a good choice for light-to-medium duty towing and mild off-road use. Walczak from Gearstar shows us the stronger fourth generation 5-pinion planetary gear set. The are both legendary for their bulletproof reliability straight from the factory. The last common problem I found on the 4L60E transmissions was a boost valve leaking internally in the valve body. How do you prevent the P1870 problem from occurring in on rebuild, etc. Overheating is the number one cause of transmission failure, making an aftermarket cooler highly recommended. You didn't say how many miles are on it.
Then I'll treat her to a rebuild, maybe some Corvette servos, a tune and a new motor. This worn valve is causing the converter clutch to slip and chatter, overheating the trans and burning the fluid. Always use good quality clutches and seal kits. It weighs 133 pounds without transmission fluid. It is an evolution of the , originally produced in 1982. A re-manufactured unit will include major alterations and upgrades designed to make them both stronger and more durable. Take a look at our examples below: automatic transmission does exactly what you want it to do, you may end up loving it as well.
It puts a lot of stress on a small gear, and it can either strip out or break. Both of these scenarios are covered directly below. I change the fluid in mine every 30,000 miles. I had 160k on that trans it was as strong as ever. The solenoid control many functions in the transmission.
If you have any more questions, dont hesitate to ask. Car can be safely driven in D. May have to replace converter also if hub is scored. The 3 Most Common Problems With The 4L60E Transmission Posted by on Monday, April 29th, 2013 The 4L60E is probably the single most popular automatic transmission currently in use by American consumers. The guy that we used for the rebuild said that he had rebuilt a bunch of the 4L60s and most of them he had done had gone out around 100k miles.
For this reason your shop is likely to see many 4L60E transmissions. It is also the final iteration of a design that started back with the. That's all I have off the top of my head, if anybody has any questions, feel free to ask, I still have my rebuilder's phone number if I get a questions I can't answer. Or, you can simply rebuild what you have and both enjoy your automotive hobby as well as help keep Mother Earth clean. I have seen built 4l60s and actually considered one for my race car, but ended up doing a 4l80e instead for piece of mind after reading about a ton of stage 57 4l60s blowing stage 57 being an exageration. Keep in mind, the tranny guy only sees the broken ones. Transmission oil is usually red or green while engine oil is a golden color.
Also could be overfiled transmission. They are just a quick away. Cheef What year are you working on? Also, if the accumulator housing walls are scored, the housing must be replaced. This can be caused by a bad vehicle speed sensor, throttle position sensor, or cruise control wiring. However, like everything, you occasionally get a lemon. Clifton has been a car fanatic since his late teens, when he started the restoration of his '67 Camaro. Note that a leaking front seal usually means the bushing is walking out.
Gentlemen, We have had posts about engine longevity. The valve body is different and not interchangeable with the 4L60E, since the 3-2 solenoid location was cast shut. A properly designed and matched torque converter for a given combination is absolutely critical to maximize the performance potential and drivability of the vehicle. Valve body is a cop out for the real problem. Based on the symptoms, do you think this unit is rebuildable? Although you may have a similar problem as those listed above, the repair may differ based upon a visual inspection of the vehicle. The boost valve would bleed off pressure that is needed to properly engage the clutches and the torque converter. No amount of stop slip or Fix it in a can is going to stop that valve from leaking.
There are many reasons a transmission might go into limp mode. This makes the vehicle far more enjoyable to drive as well as safer! Transmission must be removed and rebuilt. Fluid should be changed every 50k. The last few times I pull into the driveway, transmission fluid is leaking out from multiple points around the trans case. Thanks, jay Always replace the convertor and flush the rad coolers. Limp Mode If the 4L80E is only working in second gear and reverse, then it has gone into limp mode.