Sierra 2500 4WD V8-6.0L (2008)
Crankshaft: Specifications
Engine Mechanical Specifications (RPO LY6 VIN K)
Connecting Rod Journal Diameter - Production ...................................................................................................... 53.318-53.338 mm (2.0991-2.0999 in)
Connecting Rod Journal Diameter - Service .................................................................................................................................... 53.308 mm (2.0987 in)
Connecting Rod Journal Out-of-Round - Production ......................................................................................................................... 0.005 mm (0.0002 in)
Connecting Rod Journal Out-of-Round - Service ................................................................................................................................. 0.01 mm (0.0004 in)
Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Production .......................................................................... 0.005 mm (0.0002 in)
Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Service ............................................................................... 0.02 mm (0.00078 in)
Crankshaft End Play .......................................................................................................................................................... 0.04-0.2 mm (0.0015-0.0078 in)
Crankshaft Main Journal Diameter - Production ......................................................................................................... 64.992-65.008 mm (2.558-2.559 in)
Crankshaft Main Journal Diameter - Service ...................................................................................................................................... 64.992 mm (2.558 in)
Crankshaft Main Journal Out-of-Round - Production .................................................................................................................... 0.003 mm (0.000118 in)
Crankshaft Main Journal Out-of-Round - Service .............................................................................................................................. 0.008 mm (0.0003 in)
Crankshaft Main Journal Taper - Production ....................................................................................................................................... 0.01 mm (0.0004 in)
Crankshaft Main Journal Taper - Service ........................................................................................................................................... 0.02 mm (0.00078 in)
Crankshaft Rear Flange Runout .............................................................................................................................................................. 0.05 mm (0.002 in)
Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth Diameter ......................................................................... 0.7 mm (0.028 in)
Crankshaft Thrust Surface - Production ......................................................................................................................... 26.14-26.22 mm (1.029-1.0315 in)
Crankshaft Thrust Surface - Service ................................................................................................................................................... 26.22 mm (1.0315 in)
Crankshaft Thrust Surface Runout ....................................................................................................................................................... 0.025 mm (0.001 in)
