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Abrasive Roller Wear

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Abrasive Roller Wear Pattern
G02501582Courtesy of GENERAL MOTORS CORP.

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 leaky seals, rough, or noisy bearings. Refer to WHEEL HUB, BEARING & SEAL REPLACEMENT (AWD) or WHEEL HUB, BEARING & SEAL REPLACEMENT (RWD) .
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