Pistons, Piston Pins & Piston Rings Specifications
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS, PINS & RINGS
| Application | In. (mm) | ||||
|---|---|---|---|---|---|
| Piston | |||||
| Diameter (1) | 102.948-102.960 (4.0531-4.0535) | ||||
| Pin Bore Diameter | 1.3584-1.3587 (34.504-34.512) | ||||
| Small End Clearance | .1969 (5) | ||||
| Piston Pins | |||||
| Clearance In Pistons | |||||
| Standard | .0002-.0007 (.004-.017) | ||||
| Service Limit | .0007 (.017) | ||||
| Pin Diameter | |||||
| Standard | 1.3581-1.3583 (34.495-34.5) | ||||
| Service Limit | 1.3563 (34.45) | ||||
| Piston Rings | |||||
| Compression Ring Gap | |||||
| Standard | .0118-.0177 (.30-.45) | ||||
| Service Limit | .054 (1.37) | ||||
| No. 2 Ring Gap | |||||
| Standard | .0197-.0256 (.50-.65) | ||||
| Service Limit | .053 (1.35) | ||||
| Oil Ring Gap | |||||
| Standard | .0059-.0138 (.15-.35) | ||||
| Service Limit | .047 (1.20) | ||||
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