Buick Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications

CRANKSHAFT MAIN BEARING BOLT

Inner
First Pass.........................................................................................................................................................................................................20 Nm (15 lb ft)
Final Pass................................................................................................................................................................................................................80 Degrees
 
Outer
First Pass.........................................................................................................................................................................................................15 Nm (10 lb ft)
Final Pass..............................................................................................................................................................................................................110 Degrees
 
Side
First Pass.........................................................................................................................................................................................................30 Nm (22 lb ft)
Final Pass................................................................................................................................................................................................................60 Degrees

Crankshaft Main Bearing Clearance................................................................................................................................0.010-0.060 mm (0.0004-0.0024 in)

Crankshaft Pilot Bearing Bore Diameter.....................................................................................................................20.965-20.995 mm (0.8254-0.8266 in)

Crankshaft Thrust Bearing Clearance..............................................................................................................................0.076-0.305 mm (0.0030-0.0120 in)

Crankshaft Main Bearing Bore Diameter.....................................................................................................................72.867-72.881 mm (2.8688-2.8693 in)