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Discussion Starter · #1 ·
I'm starting to experience extra hard shifts after the transmission is fully warmed up. It will shift normally for awhile in both standard and performance shift mode and I can feel the difference between them. After it warms up completely it shifts like it did when I had the shift kit on max and I can't tell any difference between standard and perf shift.

Has anyone else experienced something like this or might know a possible cause?
 

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my completely stock tranny started shifting really hard about a week before the diff locked up and it came to a sceeching hault on the highway. Right before it went out it was shifting so hard that at half throttle it would bark the tires going into 2nd. Hope that isn't the case with you though.
 

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Might try resetting the PCM.
 
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