Escalade V8-6.0L VIN N (2002)
Piston: Specifications
Piston
Diameter-LQ4 Measured at Size Point .................................................................................................................... 101.58-101.598 mm (3.999-3.999 inch)
Diameter-LQ9 Measured over Skirt Coating ........................................................................................................ 101.611-101.642 mm (4.000-4.001 inch)
Piston to Bore Clearance LQ4 Production ................................................................................................................ 0.020-0.056 mm (0.0008-0.0022 inch)
Piston to Bore Clearance LQ4 Service Limit .................................................................... 0.0.020-0.081 mm (Maximum) 0.0008-0.0032 inch (Maximum)
Piston to Bore Clearance LQ9 Production ............................................................................................................ 0.024-0.025 mm (0.00094-0.00098 inch)
Piston to Bore Clearance LQ9 Service Limit With Skirt Coating Worn Off ............................................................. 0.024-0.080 mm (0.00094-0.0031 in.)
Piston Pin
Diameter-Press Fit Pin .............................................................................................................................................. 23.997-24.0 mm (0.9447-0.9448 inch)
Diameter-Full Floating Pin ........................................................................................................................................ 23.952-23.955 mm (0.943-0.943 inch)
Fit in Connecting Rod - Press Fit Pin ...................................................................... 0.020-0 043 mm (Interference) (0.00078-0.00169 inch (Interference))
Fit in Connecting Rod - Full Floating Pin Production ........................................................................................... 0.007-0.020 mm (0.00027-0.00078 inch)
Fit in Connecting Rod - Full-Floating Pin Service Limit ...................................................................................... 0.007-0.022 mm (0.00027-0.00086 inch)
Pin to Piston Bore Clearance - LQ4 Production .................................................................................................... 0.007-0.020 mm (0.00027-0.00078 inch)
Pin to Piston Bore Clearance - LQ4 Service Limit ............................................................................................... 0.007-0.021 mm (0.00027-0.00082 inch)
Pin to Piston Bore Clearance - LQ9 Production Measured at Pin End ................................................................... 0.002-0.010 mm (0.00008-0.0004 inch)
Pin to Piston Bore Clearance - LQ9 Service Limit Measured at Pin End ............................................................... 0.002-0.015 mm (0.00008-0.0006 inch)
Piston Rings
Compression Ring End Gap - LQ4 Production - Top Measured in Cylinder Bore ............................................................... 0.31-0.52 mm (0.0122-0.02 in)
Compression Ring End Gap - LQ4 Production - 2nd Measured in Cylinder Bore ................................................................... 0.51-0.77 mm (0.02-0.03 in)
Piston Oil Ring End Gap - LQ4 Production Measured in Cylinder Bore ........................................................................ 0.31-0.87 mm (0.0122-0.034 inch)
Compression Ring End Gap - LQ4 Service - Top Measured in Cylinder Bore ............................................................... 0.31-0.59 mm (0.0122-0.023 inch)
Compression Ring End Gap - LQ4 Service - 2nd Measured in Cylinder Bore ................................................................... 0.51-0.84 mm (0.02-0.033 inch)
Oil Ring End Gap - LQ4 Service Measured in Cylinder Bore ........................................................................................ 0.31-0.94 mm (0.0122-0.037 inch)
Compression Ring End Gap - LQ9 Production - Top Measured in Cylinder Bore ......................................................... 0.31-0.52 mm (0.0122-0.020 inch)
Compression Ring End Gap - LQ9 Production - 2nd Measured in Cylinder Bore ............................................................ 0.51-0.77 mm (0.020-0.030 inch)
Oil Ring End Gap - LQ9 Production Measured in Cylinder Bore ................................................................................... 0.31-0.87 mm (0.0122-0.034 inch)
Compression Ring End Gap - LQ9 Service - Top Measured in Cylinder Bore ............................................................... 0.31-0.59 mm (0.0122-0.023 inch)
Compression Ring End Gap - LQ9 Service - 2nd Measured in Cylinder Bore ................................................................. 0.51-0.84 mm (0.020-0.033 inch)
Oil Ring End Gap - LQ9 Service Measured in Cylinder Bore ........................................................................................ 0.31-0.94 mm (0.0122-0.037 inch)
Compression Ring Groove Clearance - LQ4 Production - Top ................................................................................... 0.04-0.08 mm (0.00157-0.0031 inch)
Compression Ring Groove Clearance - LQ4 Production - 2nd ................................................................................. 0.039-0.079 mm (0.0015-0.0031 inch)
Oil Ring Groove Clearance - LQ4 Production .............................................................................................................. 0.015-0.2 mm (0.0006-0.0079 inch)
Compression Ring Groove Clearance - LQ4 Service - Top ........................................................................................ 0.04-0.08 mm (0.00157-0.0031 inch)
Compression Ring Groove Clearance - LQ4 Service - 2nd ....................................................................................... 0.039-0.079 mm (0.0015-0.0031 inch)
Oil Ring Groove Clearance - LQ4 Service .................................................................................................................... 0.015-0.2 mm (0.0006-0.0079 inch)
Compression Ring Groove Clearance - LQ9 Production - Top ................................................................................. 0.035-0.080 mm (0.0014-0.0031 inch)
Compression Ring Groove Clearance - LQ9 Production - 2nd ................................................................................. 0.034-0.079 mm (0.0013-0.0030 inch)
Oil Ring Groove Clearance - LQ9 Production ........................................................................................................ 0.012-0.20 mm (0.00047-0.00078 inch)
Compression Ring Groove Clearance - LQ9 Service - Top ........................................................................................ 0.03-0.080 mm (0.0014-0.0031 inch)
Compression Ring Groove Clearance - LQ9 Service - 2nd ......................................................................................... 0.034-0.079 mm (0.0013-0.0030 in.)
Oil Ring Groove Clearance - LQ9 Service ................................................................................................................ 0.012-0.20 mm (0.00047-0.0078 inch)