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)

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Cylinder Block Clean and Inspect

Clean the following areas:
^ The engine block in solvent:
^ The gasket surfaces
^ The coolant passages
^ The oil passages
^ The oil filter by-pass valve and spring

Inspect the following areas:
^ Cracks in the cylinder walls, the coolant jacket, the valve lifter bores, and the crankshaft bearing webs
^ The oil filter by-pass valve for operation