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

Air Injection Filter: Testing and Inspection


Air Silencer:






1. Inspect the air silencer and hoses for leaks.
2. From the air silencer outlet, disconnect hose, remove silencer and visually inspect for plugging.
3. If no plugging or leaks are encountered, the air silencer is operating satisfactorily.