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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Automatic Temperature Control (ATC)


1. Reach under instrument panel to disengage headlamp switch knob release button on switch and pull knob and shaft assembly from switch.
2. Remove lower left bezel attaching screws and bezel.
3. Remove control assembly mounting screws and pull control assembly rearward.
4. Disconnect wiring, cables and vacuum lines, then remove control assembly.
5. Reverse procedure to install.