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

MAIN BEARING:




MAIN BEARING:







MAIN BEARING



MAIN BEARING / Undersize:






Main bearing clearance

Standard
No. 1 and 5 0.001 - 0.011 mm (0.00004 - 0.0004 inch)
Standard No. 2, 3 and 4 0.007 - 0.017 mm (0.0003 - 0.0007 inch)

Limit
No. 1 and 5 0.021 mm (0.0008 inch)
No. 2, 3 and 4 0.027 mm (0.0011 inch)