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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Emission Control Systems: Service and Repair




EVERY 7500 MILES
Inspect exhaust system and catalytic converter for leaks, broken mounting hardware and restrictions.
Repair or replace as necessary.

EVERY 30,000 MILES
Inspect evaporative emission control system for leaks in hoses and fuel cap, charcoal canister ,fuel check valve, two-way valve and purge control valve for proper operation.
Repair or replace as necessary.