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 Bearing


To ensure proper bearing clearance, main bearing shells must be 0.0426-0.0743 inch (1.082-1.888 mm) thick. Oversize shells for reground crankshafts are 0.0800-0.0802 inch (2.032-2.038 mm) thick.