sound like you have a loose vacume hose or low on coolant.
doesnt have one
no indeed it doesnt have anything to do with it. you see the ac heater has diffrent conections in where the theremostat has nothing to do with if u were talking with temperature changes maybe it would.
Low coolant? Bad thermostat? Heater core plugged,restricted or airbound? Heater control cable or valve not working?
COULD BE A BAD HEATER CORE COULD BE A BAD HEATER CORE sounds like the heater control switch needs replacing.if that doesnt fix it, you need new heater core
It does not have a heater control valve.It does not have a heater control valve.
it doesnt work, it breaks it doesnt work, it breaks it doesnt work, it breaks
why doesnt my heater work on my1985 BMW
Where is the 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
where is the heater control valve
Thermostat and/or heater core may be defective
The heater matrix can be replaced by removing the heater core and temperature control cables. Replace the heater core and the control cables.