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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With A/C






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.