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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Engine Mechanical - 6.6L - Introduction) >> Diagnostic Information and Procedures >> Drive Belt Chirping Diagnosis >> Diagnostic Aids

Diagnostic Aids

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If a chirping noise occurs during engine shutdown, this is considered normal and is due to the engine's high compression. The chirping noise may be intermittent due to moisture on the drive belt or the accessory drive pulleys. In order to duplicate the customer's concern, it may be necessary to spray a small amount of water onto the drive belt. If spraying water onto the drive belt duplicates the symptom, cleaning the accessory belt pulleys may be the most probable solution.

A loose or improper installation of a body or suspension component, or other items on the vehicle may also cause the chirping noise.

If a chirping noise occurs during engine shutdown, this is considered normal and is due to the engine's high compression.

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