Escalade EXT AWD V8-6.2L (2009)
Piston: Specifications
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production...............................................0.17-0.38 mm (0.0067-0.0150 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service.....................................................0.17-0.44 mm (0.0067-0.0173 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production...........................................0.32-0.63 mm (0.0126-0.0248 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service.................................................0.32-0.69 mm (0.0126-0.0272 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................................................................0.22-0.85 mm (0.0086-0.0335 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production.......................................................................0.030-0.083 mm (0.0012-0.0033 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service............................................................................0.030-0.083 mm (0.0012-0.0033 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production..................................................................0.040-0.083 mm (0.0016-0.0033 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service........................................................................0.040-0.083 mm (0.0016-0.0033 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........................................................................................103.258-103.289 mm (4.0653-4.0665 in)
Piston - Piston to Bore Clearance - Production...................................................................................................-0.048 to +0.001 mm (-0.0019 to +0.000 in)
Piston - Piston to Bore Clearance - Service Limit With Skirt Coating Worn Off...................................................................................0.055 mm (0.0022 in)
