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)

Or, hide this message: temporarily or permanently

Heater Control Valve: Service and Repair

REMOVAL

1. Drain engine coolant from radiator.

Note: It is not necessary to drain out all the coolant.





2. Disconnect water valve control cable from water valve.





3. Disconnect water hose from water valve.
4. Remove water valve:
(a) Disconnect the water hose from the heater radiator pipe.
(b) Remove the bolt and the water valve



INSTALLATION

1. Install water valve.
(a) Push the water hose onto the heater radiator pipe as far as ridge on the pipe and install the hose clip.
(b) Install water valve with the one bolt.





2. Connect heater hose to water valve.





3. Connect water valve control cable to water valve.
(a) Set the temperature control switch to COOL
(b) Set the water valve lever to "COOL", install the control cable and lock the clamp.

Note: Lock the clamp while lightly pushing the outer cable in the direction shown by the arrow.