Chevrolet Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications

Crankshaft Main Bearing Clearance

Journal # 1, 2, 3, 4 
Production .............................................................................................................................................................  0.022 - 0.052 mm (0.0008 - 0.0020 inch)
Service ...................................................................................................................................................................  0.022 - 0.089 mm (0.0008 - 0.0035 inch)

Journal # 5 
Production .............................................................................................................................................................  0.035 - 0.067 mm (0.0014 - 0.0026 inch)
Service ...................................................................................................................................................................  0.035 - 0.102 mm (0.0014 - 0.0040 inch)