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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Mechanical (Introduction) 4.8L, 5.3L & 6.0L) >> Diagnostic Information and Procedures >> Drive Belt Excessive Wear Diagnosis >> Diagnostic Aids

Diagnostic Aids

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Excessive wear on a drive belt(s) is usually caused by incorrect installation or the incorrect drive belt(s) for the application.

Minor misalignment of the accessory drive pulley(s) will not cause excessive wear, but will probably cause the drive belt(s) to make a noise or fall off.

Excessive misalignment of the accessory drive pulley(s) will cause excessive wear and may also make the drive belt(s) fall off.