Crankshaft Main Bearing: Specifications
Crankshaft Main Bearing Cap BoltsJack Screws
NOTE: The jack screws are a part of the main bearing cap assembly, and are screwed into the main caps, not the cylinder block.
Back out the 10 jack screws against the cylinder block in 2 stages, in the sequence shown.
- Stage 1: 5 Nm (44 inch lbs.)
- Stage 2: 10 Nm (89 inch lbs.)
Install the 10 bolts and tighten in 2 stages, in the sequence shown.
- Stage 1: 10 Nm (89 inch lbs.)
- Stage 2: 21 Nm (15 ft. lbs.)
Crankshaft Main Bearing Cap Bolts
- Stage 1: 40 Nm (30 ft. lbs.)
- Stage 2: additional 90 degrees
Main bearing journal diameter 67.483-67.503 mm (2.6568-2.6576 inch)
Main bearing journal maximum taper 0.004 mm (0.0002 inch)
Main bearing journal maximum-out-of-round 0.0075 mm (0.0003 inch) between cross sections
Bearing size charts