Transmission slips when hot...please help
02-13-2011, 10:00 PM
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Transmission slips when hot...please help 4l60e operates like clock work until the tranny gets hot. Once at or above normal temps it slips. Won't change gears. I have to put it into first and even then it revs to about 4k before it moves. Can anyone help diagnose the problem?
02-13-2011, 10:31 PM
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you have one or 2 issues either a marginal pump or a leak in the forward circuit most likley in the forward piston. depending on what yr trans you have it could be a broken forward piston or just hardened bad seals..when the fluid is cold its thicker and can seal howeverwhen it gets hotter its thinner and can bypass the seal. what yr is your car
02-13-2011, 10:55 PM
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you have one or 2 issues either a marginal pump or a leak in the forward circuit most likley in the forward piston. depending on what yr trans you have it could be a broken forward piston or just hardened bad seals..when the fluid is cold its thicker and can seal howeverwhen it gets hotter its thinner and can bypass the seal. what yr is your car
