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2009 Chevrolet Cobalt LS 2dr Coupe

2009 Chevrolet Cobalt
Trim Info:
Front Wheel Drive, 2 Door Coupe, Subcompact
25 mpg city / 37 mpg hwy
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November 11, 2015, 9:30 am

Donald S

Question: how to stop RPM fluctuating

RPM's bounce up and down aprox. 500 to 750 at what seams to be all shift points. can't drive steady without rpm surges at 30-35, 42-47 and 50- 57 mph. so i eather drive granny style or brake the law. checking around web tells me to drain a bit of fluid and add transmission fix. or replace valve body and shift position soulanoid. any will be great.


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