Silverado 1500 2WD V8-6.0L Hybrid (2009)
Piston: Specifications
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production...............................................0.20-0.41 mm (0.0079-0.0161 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service.....................................................0.20-0.46 mm (0.0079-0.0181 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production...........................................0.37-0.69 mm (0.0146-0.0272 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service.................................................0.37-0.75 mm (0.0146-0.0295 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production..........................................................0.22-0.79 mm (0.0086-0.0311 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service................................................................0.22-0.84 mm (0.0086-0.0331 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production.........................................................................0.04-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service..............................................................................0.04-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production..................................................................0.035-0.078 mm (0.0014-0.0031 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service........................................................................0.035-0.078 mm (0.0014-0.0031 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Production.................................................................................0.013-0.201 mm (0.0005-0.0079 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Service.......................................................................................0.013-0.201 mm (0.0005-0.0079 in)
Pistons and Pins
Pin - Piston Pin Clearance- to-Piston Pin Bore - Production...........................................................................................0.002-0.01 mm (0.00008-0.0004 in)
Pin - Piston Pin Clearance-to-Piston Pin Bore - Service................................................................................................0.002-0.015 mm (0.00008-0.0006 in)
Pin - Piston Pin Diameter.............................................................................................................................................23.952-23.955 mm (0.9430-0.9431 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Production.............................................................................................0.007-0.02 mm (0.00027-0.00078 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Service................................................................................................0.007-0.022 mm (0.00027-0.00086 in)
Piston - Piston Diameter - Measured Over Skirt Coating........................................................................................101.615-101.649 mm (4.0006-4.0019 in)
Piston - Piston to Bore Clearance - Production.................................................................................................-0.031 to +0.021 mm (-0.0012 to +0.0008 in)
Piston - Piston to Bore Clearance - Service Limit With Skirt Coating Worn Off...................................................................................0.071 mm (0.0028 in)
