Questions & Answers for: Chevrolet Cavalier heater blows cold air

...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 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 core and thermastat, and control panel in dash, still only cold air blows out. most likely your problem is the temp blend door actuator it is a motor that moves a door in heater case to adjust ...

My heater blows out cold air try heater fuse. fan will work but no heat..

...blows cold air the simplest fix is to check your coolant level, if the radiator is low enough your heat wont come on. when the car is warmed up, switch the engine off and check the level in the over ...

...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 ...

blows cold air from heater It overheated on Christmas eve, I pulled over right away. Changed thermostat today, and it over heated again, AND blew cold air from the heater! No fluids leaking underneath

heater blowing cold air and rubber burnning To be short, serpentine belt was replaced couple months ago. Car started missing when air was on, was advised to turn heat on and rev motor up and it worked

...heater blowing cold air Had serpentine belt put on couple months ago. Worked fine a few weeks then started missing when air conditioner was on and we could smell rubber burning. The heater is also ...

...temperature. If one hose is hot and the other warm/cold, suspect a plugged heater core. If both hoses hot, suspect a blend door issue within the heater box assembly not allowing hot air to ...