Quote:
Originally Posted by JSH
OK, the problem [vibration and noise] remains the same. I'm not a 10L90 expert, but I don't believe slipping clutches would feel and sound like this issue. It's very much like driving on the rumble strip. That it starts when the meth hits is the only clue, so I'm going to turn the Gain down a tad.
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Check your VSS data when that happens and see if it is smooth as you’d expect. On a couple of occasions when I had a trans going out there would be a vibration and in the logs I’d have smooth engine acceleration but speed was rugged looking with some unusual peaks and valleys. At the same time, trans and TCC slip weren’t that bad.
Also, check the bolts on output shaft/rear cover to make sure they aren’t loose. I have had that happen also. Pure created a fix for that some time ago.