Piston Ring Measurements
M62 4.4L Piston Rings| M62 Engine 4.4L | ||
| 1st groove | ||
| End clearance | mm | 0.1 - 0.3 |
| Axial play | mm | 0.02 - 0.060 |
| 2nd groove | ||
| End clearance | mm | 0.2 - 0.4 |
| Axial play | mm | 0.02 - 0.060 |
| 3rd groove (oil scraper) | ||
| End clearance | mm | 0.2 - 0.9 |
| Axial play | mm | does not have to be measured |