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July 1, 2003 Service bulletin

Transmission shift conditions

Buick technical service bulletin 57 for 2002-2003 Buick Lesabre, 2002-2003 Pontiac Bonneville and 2002-2003 Buick Park Avenue.

Bulletin number
57
Component
Power train: automatic transmission
Summary
Transmission shift conditions. Gm tech link. Tt

Owners of these vehicles have filed 46 complaints in the transmission category.

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