Yukon/Denali XL 1500 2WD V8-6.0L VIN U (2005)
Piston Ring: Specifications
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore
Production .......................................................................................................................................................................... 0.31-0.52 mm (0.012-0.02 in)
Service ............................................................................................................................................................................ 0.31-0.59 mm (0.0122-0.023 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore
Production ............................................................................................................................................................................ 0.51-0.77 mm (0.02-0.03 in)
Service .............................................................................................................................................................................. 0.51-0.84 mm (0.02-0.033 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore
Production ...................................................................................................................................................................... 0.31-0.87 mm (0.0122-0.034 in)
Service ........................................................................................................................................................................... 0.31-0.94 mm (0.0122-0.037 in)
Piston Ring to Groove Clearance - First Compression Ring
Production .................................................................................................................................................................. 0.04-0.08 mm (0.00157-0.0031 in)
Service ....................................................................................................................................................................... 0.04-0.08 mm (0.00157-0.0031 in)
Piston Ring to Groove Clearance - Second Compression Ring
Production ................................................................................................................................................................ 0.039-0.079 mm (0.0015-0.0031 in)
Service ..................................................................................................................................................................... 0.039-0.079 mm (0.0015-0.0031 in)
Piston Ring to Groove Clearance - Oil Control Ring
Production ................................................................................................................................................................ 0.015-0.199 mm (0.0006-0.0078 in)
Service ..................................................................................................................................................................... 0.015-0.199 mm (0.0006-0.0078 in)