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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Excessive Engine Oil Consumption




Excessive engine oil consumption

Check for oil leaks.

Check for worn valve guide(s) Valve Guide Replacement or worn valve stem seal(s) Valve, Spring, And Valve Seal Removal.

Check for damaged or worn piston ring(s) Service and Repair.

Check for damaged or worn engine internal parts (cylinder wall, pistons, etc.) Testing and Inspection.

Also check for

Check the maintenance records, as engine oil that is worn out burns off at a higher rate