Axle Preload and Backlash Specifications
WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Backlash | 0.08 - 0.30 mm | 0.003 - 0.012 in |
| Backlash - Preferred | 0.10 - 0.20 mm | 0.004 - 0.008 in |
| Pinion Bearing Preload - New Bearings | 3.18 - 4.6 N.m | 28 - 41 lb in |
| Pinion Bearing Preload - Used Bearings | 0.5 N.m greater than the torque recorded during removal | 4 lb in greater than the torque recorded during removal |
| Pinion and Differential Case Bearing Preload - New Bearings | 6 - 8 N.m | 53 - 70 lb in |
| Pinion and Differential Case Bearing Preload - Used Bearings | 3.5 - 4.0 N.m greater than the pinion bearing preload | 31 - 35 lb in greater than the pinion bearing preload |
| Rear Wheel Hub Endplay | 0.025 - 0.25 mm | 0.001 - 0.01 in |