Question about Cars & Trucks
When 4T65E trans is cold-all gears lock in, and shifts correctly. Easily spins wheels on sand roads. After warm up and at op temp, all gears slip badly. Kill engine, sit for 5 mins, then restart car- trans works OK for very short distance, then slips again. Then drive down steep hill to 50-60 mph, am able to maintain speed for several miles, even over medium hills- if I don't stop. Changed fluid and filter-problem remains. Poorly maintained, fluid was dark brown/black, but did not taste or smell burnt. Silt/dust in pan, but no chunks of anything nor aluminum shavings. Replaced TCC solenoid-problem remains. Have a code-P0757shift solenoid B but do not understand how that is effecting all gears only when warm. Car shows over 211,200 miles, but do not know it's history. Thank you for your advice.
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Posted on Jan 02, 2017
Sir I would first change my filter. When you do you should be able to acertain if anything is wrong by what yuo find in your pan. I think your clutchs are probably bad, but with out being able to scan it I don't have any other ideas. I have been lucky a couple of time before and changing the filter solved my problem. Your car is in limp mode generally you have reverse and second gear. 1st gear and reverse use the same clutches, so I am wondering if maybe you have second gear only!
Posted on Dec 26, 2008
Check the fluid level. Make sure the engine is warm and engine is idling. If the fluid level is fine then try changing the fluid and the transmission filter. *Note: if you take it in don't let them give you any Jazz about metal shavings in the fluid. It's a scam. Metal shavings in the bottom of the pan is normal tranny wear. Tell them to just changed the filter and fluid and be on your way. Hopefully that should correct the problem.
Posted on Jul 13, 2009
I had a 1995 with the same problem... perfect when cold... slams the gears when warm. I had to have it overhauled. I got by for a long while by up ******* manually, releasing gas pedal just before each shift.
Posted on Feb 22, 2010
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