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.