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I just started to feel this shudder under acceleration. At about 35 to 45 it starts when it gets to the point where it should drop into overdrive. Today it was bad almost feels like wheel hop. Is this the tranny or could it be the rear end? Engine size is 4.6. Dave
How many miles on the truck? It sounds like the lock-up clutch is chattering in the torque converter. A fluid change may help. Does it go away once the converter is locked?
Well thanks guys. This past Saturday I went and had the tranny flushed and filled, so far that seems to be the thing to work. Haven't had any shudder yet. Once again thanks. Dave
ps; I grew up that you didn't mess with the tranny unless you had major problems.
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