Fitting Pistons
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.
- Measure cylinder bore diameter .79" (20 mm), 3.8" (96 mm) and 6.1" (155 mm) below cylinder block deck surface. Measure piston diameter at 90-degree angle to piston pin and on pin center line.
- Determine piston clearance. See PISTONS, PINS & RINGS and CYLINDER BLOCK tables under ENGINE SPECIFICATIONS. If clearance is not within specification, replace piston and/or machine cylinder bore.