wot slip...
#4
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I was having similar symptoms with my 2nd gear at WOT until it started to get worse and now I have very little 2nd gear at all. The RPM's kind of went nuts right before a noticlble shift in to 3rd. Chuck from FLT asked me to drop the pan and check the 1-2 accumulator piston. It is made of plastice and is commin for them to crack and leak not allowing for a full engagement of 2nd gear. Mine however was not cracked and my fluid was almost black so for me it was not that simple. My 2nd gear clutches are probably shot, so I have a new tranny on the way. My truck does have about 95,000 miles on it so I guess it was due for a new tranny anyway...
#7
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You probably have burnt clutches in the 3-4 pack. This pack engage only once in the entire upshift sequence - during the 2-3 shift. For fourth it stays engaged. The 3-4 pack is the weakest set of frictions in the 4L60-E. Once warped from excessive heat there's no turning back. They just get worse.
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#8
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Originally Posted by eallanboggs
If you trans fluid was black I'd seriously consider installing a trans fluid cooler with that new trans. 95Kmi isn't really that much.
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