Were is the heater control valve located on a 1998 olds cuttlas?
Like most cars. The heater control valve is located inside the closed compartment with the heater core and the and the AC condenser. It is a door flap that seperates the heated air from the outside air, or the AC air.
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
Antifreeze/Coolant Cooling Fan Pressure Cap Coolant Reservoir Heater Core Heater Control Valve Engine Heater HVAC Hoses & Valves HVAC Thermostat Description: A heater control valve may be located in one of the heater hoses to regulate coolant flow to the heater core. The valve is usually vacuum-controlled, which is operated by controls on the dash. Purpose: The valve is used help control heater output. Maintenance Tips/Suggestions: Insufficient heat, or heat that can�t be turned off…