Operation CHARM: Car repair manuals for everyone.

Crankshaft Main Bearing

Main bearing journal diameter 51.978-52.002 mm (2.046-2.047 in)
Production repair 51.730-51.750 mm (2.036-2.037 in)
Main bearing Clearance 0.016-0.047 mm (0.0006-0.0015 in)

Main Bearing Size Chart






NOTE:Lubricate the main bearing beam bolts threads and under the bolt heads with clean engine oil.

NOTE:Position the crankshaft to the rear of the cylinder block, then position the crankshaft to the front of the cylinder block before tightening the main bearing beam bolts.
17. Install and tighten the 10 new main bearing beam bolts.






- Tighten the bolts in the sequence shown in 3 stages.

- Stage 1: Tighten to 5 Nm {0.5 kgf-m, 44 in-lbf}.
- Stage 2: Tighten to 25 Nm {2.5 kgf-m, 18 ft-lbf}.
- Stage 3: Tighten an additional 90 degrees.