Bearings and Races

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Bearing Rollers & Races For Pitting, Grooves, Spalling & Excessive Wear

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 the 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. Bearings or races with sign of heat discoloration must be replaced.

Fig 3: Identifying Bent Roller Cage

Courtesy of GENERAL MOTORS CORP.

Inspect for bent bearing cages.

Fig 4: Identifying Brinelling

Courtesy of GENERAL MOTORS CORP.

Inspect for damaged bearing cages.