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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Air Injection Hose/Tube: Service and Repair

1. Disconnect air delivery hose at check valve.

NOTE: Remove check valve if it is to be removed.

2. Remove clamp connecting downstream air injection tube to two-way catalytic converter nipple. Apply heat if necessary.
3. Reverse procedure to install.