Hi there,
i would get the transmission tested by a trans specialist work shop, they will be able to do a few hands on tests, checking line pressures and shift positions this will help them diagnose any transmission problem, I would do this first, as a straight service will not normally show up any problems apart form excessive clutch material in the oil, and the black specks will be clutch material.
Mark (mhpautos)
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Monday, June 14th, 2010 AT 12:51 AM