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

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Crankshaft Main Bearings






Crankshaft Runout





Out-of-Round and Taper





Main Bearing To Journal Oil Clearance

Crankshaft Bore Code Location:





Crankshaft Bore Code Location

Main Journal Code Locations:





Main Journal Code Locations

Note: The main journal codes are stamped on the No. 1 web.





Table

Note: Use the crank bore codes and crank journal codes to select the appropriate replacement bearings from the table.

Main Bearing Cap Bolts / Tightening Sequence:





Main Bearing Cap Bolt Tightening Sequence

Main Bearing Caps
Torque 25 Nm (2.5 kgf-m, 18 ft. lbs.) + 60°.