Questions & Answers for: heater blowing cold air 1991

...blowing cold air when I put the heat on, and overheating. What could the problem be? First thing i'd do is check & fill coolant as needed, then monitor level for possible leak. Make sure you run the ...

...cold air when I switch the heater on. AC works fine. Water pump is new, no air bubbles coming out. Hoses to the heater are getting hot. Anybody has any idea about this problem? Poellas Check your ...

...heater not blowing hot air a friend of mine drives a 1996 chevy s10. the heater blows out somewhat warm air but its not cold air. she been told its the heater core goin out. any ideas... heater core ...

heater blowing cold air szarafinski1: Thanks for your suggestion to my problem . concerning my truck blowing cold air with the heater turned on. To answer your question: yes my truck blows cold air at

...heater blowing cold air. What could be the problem? You need to check your coolant level first. If it is low you have a coolant leak. No hot coolant=No heat wide open hung thermostat can cause this ...

...blowing cold air out the heater. It is push button control panel. Another control panel was tried but it didnt make any difference. The other functions work, just no warm air. What controls the blend ...

...heater blowing cold air or is your blower motor not working? A tell-tale sign of vehicle blowing cold air is bad thermostat. Also, check your fuses under the dash first and fuse relays under the hood ...

...heater blows out cold air. Check and top up the coolant level. When an engine heats up fast and there is no heat from the heater it is low enough on coolant that it doesn't circulate through the ...

not blowing hot air replaced core, blend door actuator still blowing cold air Have you replaced the heater control in the dash? This is a fairly common problem in older vehicles.

heater blowing cold air replaced heater core and blend door actuator. still blowing cold air. Maybe the thermostat is stuck shut. Check and see how the car warms up and if you can make sure the ...