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Abrasive Step 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 Step Wear Pattern
G02501583Courtesy of GENERAL MOTORS CORP.

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 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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