Piston Ring Fitting
WARNING: This page is about a different car, the 2008 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.
| 1 - FEELER GAUGE |
- Wipe cylinder bore clean. Insert ring and push down with piston to ensure it is square in bore. The ring gap measurement must be made with the ring positioning at least 12 mm (0.50 in.) from bottom of cylinder bore. Check gap with feeler gauge (1).
1 - FEELER GAUGE - Check piston ring to groove clearance.
1 - TOP COMPRESSION RING 2 - BOTTOM COMPRESSION RING 3 - TOP OIL CONTROL RAIL 4 - OIL RAIL SPACER 5 - BOTTOM OIL CONTROL RAIL 6 - IMAGINARY LINE PARALLEL TO PISTON PIN 7 - IMAGINARY LINE THROUGH CENTER OF PISTON SKIRT - Arrange the piston rings so that the gaps do not line up with the gaps in any of the other rings.
| Piston Ring Vertical Clearance | |||
| - | MM | Inches | |
| - | Groove 1 | 0.02 to 0.07 | 0.0008 to 0.0028 |
| Groove 2 | 0.015 to 0.05 | 0.0006 to 0.002 | |
| Groove 3 | - | - | |
| Piston Ring End Gap | - | ||
| - | MM | Inches | |
| - | Groove 1 | 0.2 to 0.35 | 0.0008 to 0.0138 |
| Groove 2 | 0.3 to 0.5 | 0.0119 to 0.0197 | |
| Groove 3 | 0.2 to 0.9 | 0.0079 to 0.0355 | |
| Dimension | - | ||
| - | MM | Inches | |
| - | Plain compression ring | 92.9 x 1.5 x 3.1 | 3.657 x 0.059 x 0.122 |
| Taper-faced hook scraper ring | 92.9 x 1.75 x 3.7 | 3.657 x 0.068 x 0.145 | |
| Oil scraper ring | 92.9 x 2.5 x 3.03 | 3.657 x 0.098 x 0.119 | |