S15/T15 Jimmy 2WD V6-4.3L VIN W (1998)
Corrosion may be caused by a small relative movement of parts with no lubrication. Replace the bearing. Clean the related parts. Check the seals.
Check for proper lubrication.
SMEARS
Smearing of the metal may be due to slippage. Slippage can be caused by the following factors:
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Poor fits
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Inadequate lubrication
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Overheating
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Overloads
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Handling damage.
Replace the bearings. Clean the related parts. Check for proper fit and lubrication.
STAIN DISCOLORATION
Discoloration, ranging from light brown to black, is caused by incorrect lubrication or moisture. Reuse the bearing if you can remove the stains with