C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
Crankshaft Main Bearing: Specifications
Crankshaft Bearing Cap Tightening Sequence
Crankshaft Bearing Cap Bolt - Angular Tightening Method
.................................................................................................................................................................................. 1st Step 98 Nm (1st Step 72 ft. lbs.)
.............................................................................................................................................................................. 2nd Step 132 Nm (2nd Step 97 ft. lbs.)
........................................................................................................................................................................ 3rd Step 30 degrees (3rd Step 30 degrees )
Crankshaft Bearing Cap Side Bolt ........................................................................................................................................................... 78 Nm (58 ft. lbs.)
Material ..................................................................................................................................................................... Forged Steel Heat Treatment Nitrided
Main Journal Diameters ......................................................................................................................................................................... 80.0 mm (3.15 inch)
Crankpin Diameter ................................................................................................................................................................................. 63.0 mm (2.48 inch)
Harmonic Balancer ...................................................................................................................................................................................... Rubber Damper
Flywheel Material ................................................................................................................................................................................................... Cast Iron
Main Bearing Type ............................................................................................................................................................ Steel Backed Pb-Sn-Cu Overlay
Number of Bearings ............................................................................................................................................................................................................ 5
End Thrust Taken By .......................................................................................................................................................................... Crank Thrust Bearing
Total Bearing Length ........................................................................................................................................................................... 103.5 mm (4.07 inch)
Total Projected Area ......................................................................................................................................................... 13,006 mm (2) (2 20.16 inch) (2)
Crankshaft Bearing Clearance - Service Limits ............................................................................................................................... 0.014 mm (0.0055 inch)
Crankshaft Bearing Clearance - Production Value ................................................................................................... 0.037-0.072 mm (0.0015-0.0028 inch)
Crankshaft End Play - Service Limits ................................................................................................................................................ 0.54 mm (0.0213 inch)
Crankshaft End Play - Production Value ................................................................................................................... 0.04-0.205 mm (0.0016-0.0081 inch)
Crankshaft Journal Diameter - Main - Service Limits .................................................................................................................... 79.89 mm (3.1453 inch)
Crankshaft Journal Diameter - Main - Production Value ...................................................................................... 79.905-79.925 mm (3.1459-3.1466 inch)
Crankshaft Runout - Service Limits ................................................................................................................................................... 0.44 mm (0.0173 inch)
Crankshaft Runout - Production Value .............................................................................................................................................. 0.05 mm (0.0020 inch)
Crankpin Diameter - Service Limits ................................................................................................................................................ 62.88 mm (2.4756 inch)
Crankpin Diameter - Production Value ................................................................................................................. 62.902-62.922 mm (2.4764-2.4772 inch)
