2000 Pontiac Grand Prix transmission slip and winds

2000 PONTIAC GRAND PRIX
120,000 MILES • 6 CYL • FWD • AUTOMATIC
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MARTMASTER
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My transmission slips and winds occasionally. It usually only occurs after driving two or more hours at a time. A rebuilt transmission was already installed into it in 2006. Could the problem be that it needs a simple flush and new filter?
Nov 25, 2009 at 4:14 PM
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MHPAUTOS
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Hi there,

I would start there, but i would get a qualified trans tech to do this as they will be able to do a test and report that may find any under lying problems that a general mechanic may miss, start here.

mark (mhpautos)
Nov 25, 2009 at 11:29 PM