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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 557 (Engine Mechanical - 3.8L (On-Vehicle)) >> Diagnostic Information and Procedures >> Drive Belt Whine Diagnosis >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

The drive belt will not cause the whine noise.

If the whine noise is intermittent, verify the accessory drive components are not the cause, by varying their loads making sure they are operating to their maximum capacity. An overcharged A/C system, a power steering system restriction or incorrect fluid, or a failing generator are suggested items to inspect.

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