Piston Ring Compression Specifications
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
PISTON RING COMPRESSION
| Application | In. (mm) | |
|---|---|---|
| Top Groove Clearance | 0.0012-0.0029 (0.031-0.074) | |
| Second Groove Clearance | 0.0012-0.0029 (0.031-0.074) | |
| Top Ring Gap | ||
| Production | 0.012-0.018 (0.300-0.450) | |
| Service Limit | 0.018-0.027 (0.450-0.675) | |
| Second Ring Gap | ||
| Production | 0.017-0.025 (0.450-0.650) | |
| Service Limit | 0.026-0.039 (0.675-0.975) | |