Bearings and Races

WARNING: This page is about a different variant/trim than selected.

Fig 1: Inspecting Bearing Rollers & Races For Damage

Courtesy of GENERAL MOTORS CORP.

Inspect the bearing rollers and races for the following conditions:
- Pitting
- Scoring or grooves
- Excessive wear or other damage

Fig 2: View of Bearing Rollers & Races For Heat Discoloration

Courtesy of GENERAL MOTORS CORP.

Inspect bearing rollers and races for heat discoloration. Heat discoloration ranges from a faint yellow to a dark blue color. This discoloration may result from an overload or improper lubrication. Excessive heat causes softening of the rollers and races. Bearing races with a sign of heat discoloration must be replaced.