K 2500 Truck 4WD V8-6.5L DSL Turbo VIN S (1998)
Wheel Bearing: Testing and Inspection
TAPERED ROLLER BEARING DIAGNOSIS
Consider the following factors when diagnosing bearing condition:
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General condition of all parts during disassembly and inspection.
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Classify the failure with the aid of the illustrations.
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Determine the cause.
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Make all repairs following recommended procedures.
ABRASIVE ROLLER WEAR
The pattern on the races and the rollers is caused by fine abrasives.
1. Clean all of the parts and the housings.
2. Check the seals and the bearings.
3. Replace any leaky, rough, or noisy bearings.
ABRASIVE STEP WEAR
The pattern on the roller ends is caused by fine abrasives.
1. Clean all of the parts and the housings.
2. Check the seals and the bearings.
3. Replace any leaky, rough, or noisy bearings.
GALLING
