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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Heater Core Case: Adjustments

Defroster Door Adjustment





1. Set the mode control switch on HEAT.
2. Loosen the adjusting screw.
3. Turn the adjusting arm to the left, as shown, so that there will be no heat leakage from the defroster door.
4. Tighten the adjusting screw.