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May 30, 2023 Service bulletin

This service bulletin provides information on some vehicles that may rock or move slightly forward or...

Chevrolet technical service bulletin 08-07-30-026H for 2007-2024 Chevrolet Malibu, 2007-2024 Chevrolet Silverado 1500 and 2007-2020 Chevrolet Impala and others.

Bulletin number
08-07-30-026H
Component
Power train
Summary
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.

Owners of these vehicles have filed 17,818 complaints in the transmission category.

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