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

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Heater Control Valve: Testing and Inspection

WATER VALVE

ON-VEHICLE INSPECTION

1. WARM UP ENGINE

2. DISCONNECT WATER VALVE CONTROL CABLE

3. INSPECT WATER VALVE OPERATION
a. Check that warm air is blown out of the vent when the water valve lever is moved to "warm" position.
b. Check that cool air is blown out of the vent when the water valve lever is moved to "cool" position.

4. CONNECT WATER VALVE CONTROL CABLE
After connection, adjust the control cable.