Questions & Answers for: heater blows cold air 03

...blows cold air and will not blow air from anywhere but the defroster coolant has to get to heater core under dash .check for low coolant level and or bad thermostat.blower forces air over heater core ...

...If car temp is always cold then it sends cold water to the heater core. You may want to look at the heater core (passenger side against firewall) to see if the heater door is opening. - Good ...

...heater will blow out cold air and the car will get hot quick. The coolant is full. Just replaced the water pump and got the censor replaced a month ago and was fine until yesterday then it started ...

...heater blows cold air 2002 cavalier temp guage says it is overheating but heater blows cold air check your coolant level. if it is low you will not have heat and also causing the vehicle to run

heater blows cold air at idol blows warm air at 2000 rpm. The heater only blows cold air when it is cold out when its warm the heater works fine at idol. The anifreeze level is fine. The heat selector

...blows cold air and temperature gauge is not moving off of cold the heater is blowing cold air the temperature gauge for the engine does not move from cold . i have coolant in it but only cold air ...

heater in 2003 acura tl is blowing cold air Check the coolant level,if its low there will not be enough coolant to enter in to the heater radiator,check for leaks too

heater blows a little hot air when the car warms up and then blows cold air. The rear heat seems to work fine. I changed ... Rear AC blows hot air - Tahoe Forum - Chevy Tahoe Forum www.tahoeforum.com

...why 03 Audi A4 heater not working Heater ore not leaking but only blows cold air If your flaps are opening and closing you may have a air pocket in the heater core, research bleeding cooling