| Brand | GM Genuine Parts |
| FAQ - Answer 1 | Yes. Ring and pinion gears come in matched sets and should be replaced at the same time. |
| FAQ - Answer 2 | No. Do not use bearing grease on carrier or pinion bearings during installation, this may cause premature bearing failure. Use clean gear oil as a pre-lubricant to the bearings during installation. |
| FAQ - Question 1 | Do ring and pinion gears need replaced as a set? |
| FAQ - Question 2 | Should I use grease on the bearing during installation? |
| Features & Benefits - Bullet 1 | Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing |
| Features & Benefits - Bullet 2 | Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) |
| Features & Benefits - Bullet 3 | GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors |
| Features & Benefits - Bullet 4 | GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle |
| Features & Benefits - Bullet 5 | GM regularly updates production and service part designs to integrate new materials and technologies |
| Good Maintenance Practices - Section 1 - Bullet 1 | Use recommended grease or differential fluid to keep the bearing properly lubricated |
| Good Maintenance Practices - Section 1 - Bullet 2 | Change differential fluids at vehicle recommended maintenance intervals |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Low fluid levels in differentials |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Leaks at seals and bearing location |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Clunking and grinding noise from differential |
| Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear for differential pinion bearings include but are not limited to: |
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov 