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Chevrolet
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2002
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Blazer 4D Utility, 4WD, Part Time
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Repair and Diagnosis
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Suspension
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Rear Suspension
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Suspension - General Diagnosis
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Diagnostic Information
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Wheel Bearing Diagnosis (Tapered)
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Fatigue Spalling
Fatigue Spalling
Fig 1: Fatigue Spalling
Courtesy of GENERAL MOTORS CORP.
The surface is flaked with metal due to bearing fatigue.
Clean all the parts and the housings.
Replace the bearing.