Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Crankshaft Main Bearing

Crankshaft Main Bearing Size Codes




Journal bearing:




Standard crankshaft main journal diameter:




Standard upper bearing center wall thickness No. 1 and No. 4 journal:




Standard upper bearing center wall thickness No. 1 and No. 4 journal:




Standard upper bearing center wall thickness No. 2 and No. 3 journal:




Standard lower bearing center wall thickness No. 1 and No. 4 journal:




Standard lower bearing center wall thickness No. 2 and No. 3 journal:





Crankshaft Main Bearing Cap Bolts





Lower bolts
First pass 61 Nm (622 kgf-cm, 45 ft. lbs.)
Final pass Tighten 90°





Side bolts
Bolt length:
Bolt A 45 mm (1.77 inch)
Except Bolt A 30 mm (1.18 inch)
Torque 52 Nm (530 kgf-cm, 38 ft. lbs.)