Sierra 1500 4WD V8-4.8L (2007)
Crankshaft Main Bearing: Specifications
Crankshaft Bearing Cap M8 Bolts ................................................................................................................................................................. 25 N.m 18 lb ft
Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence ........................................................................................................................ 20 N.m 15 lb ft
Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence ............................................................................................................................... 80 degrees
Crankshaft Bearing Cap M10 Studs - First Pass in Sequence ........................................................................................................................ 20 N.m 15 lb ft
Crankshaft Bearing Cap M10 Studs - Final Pass in Sequence .............................................................................................................................. 51 degrees
Crankshaft Main Bearing Clearance - Production ........................................................................................................... 0.02-0.052 mm 0.0008-0.0021 in
Crankshaft Main Bearing Clearance - Service ................................................................................................................. 0.02-0.065 mm 0.0008-0.0025 in
