under the hood, on the fire wall behind the engine where the two hoses are. one of them as a valve on it.
Remove the heater control valve and replace it.
Have you checked you heater control valve or heater core if working properly.
It does not have a heater control valve.It does not have a heater control valve.
In 2012 about $40
Where is the the heater control valve??
where is the heater control valve
The heater control valve is used to shut off hot coolant from entering the core when the heater is in the off position. A heater control valve can be actuated by either a vacuum line or a cable from the vacuum heater control valve to the heater core. This hose should be warm; if not the heater control valve is stuck and needs to be replaced
its right beside the wiper switch
Its on the driver side firewall connected between the heater hose. Its a metal valve with heater hose on both sides and a lever on top that connects to the temperature adjustment switch on the dashboard.
Where is the heater control valve on a 1994 Buick Regal
heater Control valve for 2002 Lincoln Ls
It Means Variable Valve Timing Technology - Intelligence