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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (Engine Mechanical - 4.3L) >> Diagnostic Information and Procedures >> Drive Belt Squeal Diagnosis >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

A loose or incorrect installation of a body component, a suspension component, or other items of the vehicle may cause the squeal noise.

If the noise is intermittent verify the accessory drive components by varying their loads. Ensure the accessory components are operated to their maximum capacity. An overcharged A/C system or power steering system with: a pinched hose, an incorrect fluid, or a failed generator are suggested items to inspect.

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