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March 19, 2003 Service bulletin

Rear axle pinion seal leak condition

Chevrolet technical service bulletin 031903 for 2003 Chevrolet Trailblazer, 2003 GMC Envoy and 2003 Oldsmobile Bravada.

Bulletin number
031903
Component
Power train: axle assembly
Summary
Rear axle pinion seal leak condition. Tt

Owners of these vehicles have filed 146 complaints in the transmission category.

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