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Old 09-11-2009, 09:02 PM   #3 (permalink)
99LeCouch
Driving the TurboWeasel
 
Join Date: Mar 2009
Location: Steuben County, NY
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Try your luck over on pontiacbonnevilleclub.com. They're a great group of folks. More into power than fuel economy, but they've broken everything on your and my car (both on the H-body chassis) at least 10x and put it back together. Search around there for a bit, then register and ask if you still can't find the answer.

3800 Series II and 4T60E on your car. My bet is you need some Auto-RX, a fluid and filter change, and an adjustable shift modulator or replacing some cracked vacuum lines.
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2012 Chevrolet Cruze Eco 6MT
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