Silverado 1500 2WD V6-4.3L (2007)
Crankshaft Main Bearing: Specifications
Crankshaft Bearing Cap Bolt - Preferred Method
First Pass .................................................................................................................................................................................................. 20 N.m 15 lb ft
Final Pass ........................................................................................................................................................................................................ 73 degrees
Crankshaft Bearing Cap Bolt ....................................................................................................................................................................... 105 N.m 77 lb ft
Crankshaft Main Bearing Clearance #1 - Production ........................................................................................................ 0.02-0.05 mm 0.0008-0.0020 in
Crankshaft Main Bearing Clearance #2, #3, and #4 - Production ................................................................................. 0.028-0.058 mm 0.0011-0.0023 in
Crankshaft Main Bearing Clearance #1 - Service .......................................................................................................... 0.0254-0.05 mm 0.0010-0.0020 in
Crankshaft Main Bearing Clearance #2, #3, and #4 - Service ....................................................................................... 0.025-0.063 mm 0.0010-0.0025 in