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October 16, 2001 Service bulletin

Some all-wheel drive or four-wheel drive vehicles may exhibit a bump or surge that CAN occur while the...

Chevrolet technical service bulletin 161001 for 2002 Chevrolet Trailblazer, 2002 GMC Envoy and 2002 Oldsmobile Bravada.

Bulletin number
161001
Component
Power train: automatic transmission
Summary
Some all-wheel drive or four-wheel drive vehicles may exhibit a bump or surge that can occur while the transmission is still in first gear. Tt

Owners of these vehicles have filed 446 complaints in the transmission category.

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