1997 Audi A4 "heater blowing hot" Questions

coolant control valve not fully opening, or a kinked hose. Insufficient coolant volume is flowing to keep the heater core hot. Try back flushing the heater core system with a garden hose to check flow

heter blows cold air when engine is hot heater blows cold air when engine is hot The thermostat is faulty. Change the thermostat.

heater blowing cold when set at hot Hi, your engine sound run at 90 degrees when hot, if you change the themastate in the engine block sould cure the problem, if not bleed the heater matrix from the ...

heater is blowing only cold air. both hoses for heater core are warm. what you think, main flap is stuck or is something else?? Hello there..Its two things..If your saying that the heater hoses are ...

...hot air Hi, My heater only blows hot air even if i change the setting to "Lo". When the heater is set to "off", hot air stills comes through and increases the faster the car is going once the engine ...

...heater on my A6 1.8 petrol doesnt get warm just constantly blowing cold air,I've bled the cooling system recently had a new water pump and thermostat fitted and still no heat. the heater control unit ...

no heaters the coolant level dopped so i topped it up and the heaters wouldnt work for the rest of the day. the next day they worked but since then no air hot or cold blows from the vents. is the fan ...

...heater matrix a new water pump and thermostat and a new radiator now it blow luke warm air but not hot,please any ideas sounds like the thermostat is not functioning correctly? either that or not in ...

...heater in my car is on hot but blowing out cold air wot could be problem I am not an Audi expert, but it sounds like your heater water control valve made be inoperative. Also could be low on water... ...

...blowing cold air question i have seen this question before and i have seen the answer come back as a heater core but curious to know if the climate control would also prevent the temperture to change ...