Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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Heater Control Valve: Service and Repair
Heater Control Valve (Vehicles Without A/C), Removing -
Remove clip -1- and remove cable end -2- from lever
-
Clamp coolant hoses near valve
-
Remove spring clamps from coolant hoses and remove coolant hoses from valve
-
Remove valve
NOTE: -
Release coolant system pressure and drain coolant before beginning repair.
-
Refill with coolant after installing/replacing control valve.