Diesel Data: Automotive Repair

Main Bearing Cap

MAIN BEARING CAP

Step 1





Install and uniformly tighten the 16 main bearing cap bolts in the sequence shown in the illustration.

Torque: 61 Nm (622 kgf-cm, 45 ft-lbf)

If any of the main bearing cap bolts does not meet the torque specified, replace it.

Step 2





Mark the front of the bearing cap bolts with paint.
Retighten the bearing cap bolts by 90° in the order above.
Check that the painted marks are now at a 90° angle to the front.





Install 8 new seal washers and uniformly tighten the 8 main bearing cap bolts in several steps and in the sequence shown in the illustration.
Torque 52 Nm (525 kgf-cm, 38 ft-lbf)

Bolt Length

Bolt A 45 mm (1.77 in.)
Except bolt A 30 mm (1.18 in)