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

Evaporator Core: Testing and Inspection




1. Check for damaged fins of the evaporator core.
2. Check for clogged fins of the evaporator core. If fins are clogged, clean them with compressed air.

CAUTION: Never use water to clean the evaporator core.

3. Check fittings for cracks or scratches.