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February 22, 2007 Service bulletin

Power steering pump leak/ incorrect mounting bolt

Chevrolet technical service bulletin 4087 for 2007 Chevrolet Silverado 1500, 2007 GMC Sierra 1500 and 2006 Chevrolet Silverado and others.

Bulletin number
4087
Component
Steering: hydraulic power assist: power steering fluid
Summary
Power steering pump leak/ incorrect mounting bolt. Kb

Owners of these vehicles have filed 60 complaints in the steering category.

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