Avalanche 1500 4WD V8-5.3L (2007)
Piston Ring: Specifications
Engine Mechanical Specifications (RPO LY5 VIN J)
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production ................................................ 0.23-0.44 mm (0.009-0.017 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service ...................................................... 0.23-0.5 mm (0.009-0.0196 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production .............................................. 0.44-0.7 mm (0.017-0.027 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service .................................................. 0.44-0.76 mm (0.0173-0.03 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production ........................................................... 0.18-0.75 mm (0.007-0.029 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service ................................................................. 0.18-0.81 mm (0.007-0.032 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production ................................................................ 0.04-0.085 mm (0.00157-0.00335 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service ...................................................................... 0.04-0.085 mm (0.00157-0.00335 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production ............................................................. 0.04-0.078 mm (0.00157-0.0031 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service ................................................................... 0.04-0.078 mm (0.00157-0.0031 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Production .................................................................................. 0.012-0.2 mm (0.0005-0.0078 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Service ........................................................................................ 0.012-0.2 mm (0.0005-0.0078 in)