C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Crankshaft Main Bearing: Specifications
Crankshaft Bearing Cap Bolts
Inner Bolts
First Pass in Sequence .............................................................................................................................................................................. 20 Nm (15 ft. lbs.)
Final Pass in Sequence .......................................................................................................................................................................................... 80 degrees
Outer Bolts
First Pass in Sequence .............................................................................................................................................................................. 20 Nm (15 ft. lbs.)
Final Pass in Sequence .......................................................................................................................................................................................... 51 degrees
Crankshaft Bearing Cap Side Bolts .......................................................................................................................................................... 25 Nm (18 ft. lbs.)
Crankshaft Main Bearing
Bore Diameter ......................................................................................................................................................... 69.871 - 69.889 mm (2.75 - 2.751 inch)
Bore Out-of-Round .......................................................................................................................................................................... 0.006 mm (0.0002 inch)
Crankshaft End Play .................................................................................................................................................... 0.04 - 0.2 mm (0.0015 - 0.0078 inch)
Crankshaft Main Bearing Clearance
Production ............................................................................................................................................................... 0.02 - 0.052 mm (0.0008 - 0.0021 inch)
Service ..................................................................................................................................................................... 0.02 - 0.065 mm (0.0008 - 0.0025 inch)