Crankshaft Main Bearing

1. Place a length of fresh, room temperature plastic gaging material all the way across all the crankshaft bearing journals.

2. Identify the proper order of the main bearing caps. The main bearing caps are numbered 1 (1) through 4, with the front main bearing cap marked with the number 1. The arrow (2) is to be oriented to the front of the engine.





3. Install the crankshaft main bearing caps.

4. Loosely install the original inner main cap bolts.

5. Loosely install the original outer main cap bolts.





6. Loosely install the original short/inner side main cap bolts.

7. Loosely install the original long/outer side main cap bolts.





8. Tap the crankshaft main bearing caps with a soft-faced hammer.





9. Tighten the main caps bolts using the EN 45059 - meterin the following sequence:

Caution:
Refer to Fastener Caution Fastener Caution.

10. Tighten the inboard bolts (1-8) first, in two passes.

1. Tighten the inboard bolts to 20 Nm (15 lb ft)on the first pass.

2. Tighten the inboard bolts (1-8) an additional 80 degreeson the 2nd pass.





11. Tighten the outboard bolts (9-16) second, in two passes.

1. Tighten the outboard bolts to 15 Nm (11 lb ft)on the first pass.

2. Tighten the outboard bolts (9-16) an additional 110 degreeson the 2nd pass.





12. Tighten the short/inner bolts (17-20) third, in two passes.

1. Tighten the short/inner bolts to 30 Nm (22 lb ft)on the first pass.

2. Tighten the short/inner bolts (17-20) an additional 60 degreeson the 2nd pass.

13. Tighten the long/outer bolts (21-24) fourth, in two passes.

1. Tighten the long/outer bolts to 30 Nm (22 lb ft)on the first pass.

2. Tighten the long/outer bolts (21-24) an additional 60 degreeson the 2nd pass.