Crankshaft Main Bearing
Crankshaft and Crankshaft BearingsMain Bearing Clearance Limit-New Limit 0.0006-0.0018 inch
Main Bearing Clearance Limit-Worn Limit 0.0021 inch
Main Bearing Journal Diameter 2.755-2.756 inch
Main Bearing Journal Out-of-Round (Not Over) 0.00016 inch
Main Bearing Journal Taper 0.00015 inch
Main Bearing Journal Length-No. 1 0.9350 inch
Main Bearing Journal Length-No. 2 0.9449 inch
Main Bearing Journal Length-No. 3 1.0039 inch
Main Bearing Journal Length-No. 4 0.9449 inch
Crankshaft Bearing Bore (Mains), Diameter 3.0737-3.0742 inch
Crankshaft Rear Seal Bore,Diameter 4.5654-4.5684 inch
Runout - Maximum Allowed 0.0098 inch
Main Bearing Cap Torque -- refer to procedure:
Lower Crankcase Tightening Sequence:
1. Tighten the lower crankcase bolts (1 through 16) in proper sequence.
1.1. Tighten the lower crankcase bolts in sequence to 20 Nm (15 ft. lbs.).
1.2. Tighten the lower crankcase bolts in sequence an additional 70 degrees using the J 36660-A.
Lower Crankcase Tightening Sequence:
2. Tighten the lower crankcase perimeter bolts (1 through 9) in proper sequence.
- Tighten the lower crankcase perimeter bolts in sequence to 30 Nm (22 ft. lbs.).