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
If it fails: lemon-manuals.org.ua

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Air Valve Inspection

BAC Valve:




Inspection
1. Remove the BAC valve.
2. Cool the BAC valve to below 0°C (32°F).
3. Heat the BAC valve at point (A) by using a blow drier, and verify that part (B) moves in the direction of the arrow in the figure.
4. If not as specified, replace the BAC valve.