INSTALLATION - CRANKSHAFT MAIN BEARINGS



NOTE: One main bearing should be selectively fitted while all other main bearing caps are properly tightened.


1. For main bearing fitting procedure,
(Refer to 9 - ENGINE/ENGINE BLOCK/CRANKSHAFT MAIN BEARINGS - STANDARD PROCEDURE)
2. Start bearing in place, and insert Main Bearing Tool C-3059 into oil hole of crankshaft .
3. Slowly rotate crankshaft counterclockwise sliding the bearing into position. Remove Special Main Bearing Tool C-3059.
4. Inspect main cap bolts for stretching . Replace bolts that are stretched.

NOTE: The main cap bolts should be examined before reuse. Bolt stretch can be checked by holding a scale or straight edge against the threads. If all the threads do not contact the scale the bolt must be replaced .


5. Install each main cap and tighten bolts finger tight.
6. Tighten number 1, 3 and 4 main cap bolts to 41 Nm + 1/4 Turn (30 ft. lbs.+ 1/4 Turn).
7. Rotate the crankshaft until the number 6 piston is at TDC.
8. To ensure correct thrust bearing alignment the following procedure must be done:
9. Install oil pan. (Refer to 9 - ENGINE/LUBRICATION/OIL PAN - INSTALLATION)
10. Fill engine crankcase with proper oil to correct level.