With A/C

1. Pull the temperature control lever and the fresh air blower knob straight out from the control head.
2. Pry the trim plate from the instrument panel, and remove the screws holding the control head to the panel.
3. Tilt the control head to remove the multi-point vacuum plug, electrical connector, and heater control valve cable.
4. Remove the control head.

NOTE: Install in the reverse order of removal, and adjust the control cable.






1 Heater control valve
2 Fresh air recirculation flap vacuum servo
3 To intake manifold (vacuum supply)
4 Vacuum check valve
5 Temperature regulator flap vacuum servo
6 Vacuum reservoir
7 Vacuum switch for fresh air/recirculatlon flap vacuum servo
8 A/C control head (upper part)
9 A/C control head (lower part)
10 Heat control (temperature) cable
11 Multi-point vacuum hose connector
12 Footwell flap vacuum servo
13 Defroster flap vacuum servo





1. Adjust temperature control lever to max. cold position (arrow).





2. Unfasten cable retaining clip on heater control valve.
3. Push heater control valve lever in direction of (arrow) to stop (fully closed).
4. Reposition cable and fasten cable retaining clip.

If adjustment cannot be made:
1. Loosen control lever assembly in instrument panel (do not remove).





2. Check temperature cable position on control lever assembly, cable heathing must butt-up against stop (arrow).
3. Reposition temperature cable as necessary.