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Have you checked you heater control valve or heater core if working properly.
the heater control valve or DCCV (dual climate control valve) is located next to the radiator on the passanger side just below the high pressure side service connector
check the heater control valve it should be 10 ohms of resistance
How to fix heater in Buick there is cool air ,fan is work .but no warm air
The heater control valve is located on the front part of engine compartment. Its next to the radiator on the passenger side.
Most likely it's the heater control valve. If the heater control valve leaks a little it can allow a small amount of heated engine coolant to circulate through the rear heater core.
My 2004 ford explorer there isn't any vacum from the present heater control valve and the blower has been replace and the themostat has been replace and there is a clicking behind the a/c unit
Under air box hose .Right side of vehicle .Should have 4 heater hoses going to it and a small vaccum line .
I have a 2004 Ford Explorer and the heat does not work, but when i try to turn the control valve to heat it makes a clicking noise. How do i fix it?
No. There is no coolant flow valve.
The 2004 Chevrolet Cavalier idle air control valve can be found on the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
The idle air control valve on a 2004 Trailblazer is located inside the coolant system. This valve regulates the air that comes into the cabin.