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)

Or, hide this message: temporarily or permanently

Emission Control Systems: Service and Repair



CHECK EXHAUST SYSTEM AND CATALYTIC CONVERTER FOR LEAKS,
DAMAGE, OR WORN HANGERS after 1st 2,000-2,500 miles, then every 15K miles


CHECK EVAPORATIVE CONTROL AND PCV SYSTEM HOSES AND CONNECTIONS
FOR CRACKS, SWELLING, LEAKS, OR OTHER DAMAGE every 15K miles