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

Atmospheric Leak Check

Inspect
1. Apply soap solution to vacuum connector and crimped seam.
2. Attach a short piece of hose to the vacuum connector.
3. Blow into hose and check for leaks.

NOTICE: Do not use compressed air. Pressures in excess of 41 kPa (6 psi) may damage the vacuum modulator.