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May 1, 2005 Service bulletin

Incorrect transmission shifts poor engine performance harsh 1-2 upshifts slips 1ST and reverse torque...

Chevrolet technical service bulletin 020730013D for 2001-2004 Chevrolet Impala, 2001-2004 Pontiac Grand Prix and 2001-2004 Buick Regal and others.

Bulletin number
020730013D
Component
Power train: automatic transmission
Summary
Incorrect transmission shifts poor engine performance harsh 1-2 upshifts slips 1st and reverse torque converter clutch stuck off on diagnostic trouble code p0730, p0756, p0757, p0741, p0742. Eh tt

Owners of these vehicles have filed 607 complaints in the transmission category.

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