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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Function Selector Switch

REMOVAL
1. Remove A/C control.
2. Remove the screw that secures the function selector switch to the heater control assembly and remove switch.
3. Pull the vacuum assembly back.

INSTALLATION
1. Follow removal procedure in reverse order.
2. Start the engine to provide vacuum. Move the function selector knob to each of its operating positions to verify that vacuum is being distributed properly through the function selector switch to the applicable vacuum control motor.