4L60E tranny questions
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4L60E tranny questions
I have a 92 c1500 with the 4L60E auto bolted to the 350, the problem i am having is when in OD going around 65-70 mph the whole truck will shutter then stop and then do it again, it only does it around these speeds and only in OD, when in D it doesnt do it but seems the RPM are alot higher (almost 1k) then in OD, I checked trans fluid and color, consistancy, and level all check out good, not sure what the next step would be, thought of trying seafoam trans tune and then doing a filter and fluid change but have seen to many mixed reviews on it, i have also checked the u joints they are tight all mounting hardware in the rearend is tight, trans mounts are tight and in good shape, not sure where or what to check next
Last edited by ljwhite174; March 17th, 2014 at 1:22 PM. Reason: spelling
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