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January 1, 2012 Service bulletin

Chevrolet/pontiac: while engine is running, the belt squeaks and crankshaft balancer appears wobbly or out...

Chevrolet technical service bulletin PIP-4750-D for 2009-2012 Chevrolet Corvette, 2010-2012 Chevrolet Camaro and 2011-2012 Chevrolet Caprice and others.

Bulletin number
PIP-4750-D
Component
Engine and engine cooling: engine: gasoline: belts and associated pulleys
Summary
Chevrolet/pontiac: while engine is running, the belt squeaks and crankshaft balancer appears wobbly or out of balance.

Owners of these vehicles have filed 187 complaints in the engine category.

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