Express 3/4 Ton Van V8-5.7L VIN R (1998)
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
light polishing. Reuse the bearing if there is no evidence of overheating. Check the seals and the related parts for damage.
HEAT DISCOLORATION
Heat discoloration ranges from faint yellow to dark blue. This discoloration results from overload or an incorrect lubricant. Excessive heat causes
softening of the races or the rollers. In order to check for loss of temper on the races and the rollers, perform a file test. A file drawn over a tempered