0
bad heater core, heater hose blockage, low coolant, bad heater valve, bad control head.
With my car, it was Heater matrix clogged with radiator sealant. The workshop cleaned it and it's start working fine!
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What causes a cars heater to blow cold air?
THE CAUSE for this is that when your cold air is on the petrol is used to create air. and that is how cars create cold air
Can a thermostat cause heater in house to blow cold air?
No, not if it's on a heat setting. Most home thermostats have a "Fan" setting that will blow cold air if the attic is cold.
Why does your heater on your 1996 dodge Dakota spirit blow cold air?
Cause its broke!
What could cause your jeep to only blow cold air?
Thermostat and/or heater core may be defective
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
How will the heater react if the heater core is stopped up?
Your heater will blow cold air only.
Will a cracked head gasket on a 1996 Subaru Legacy L 2.2L cause the car to overheat and the heater to blow out cold air also?
the blown head gasket would make it over heat. but it wouldn't cause the heater to blow cold, it should actually blow hot if that is wat happened
On a 2004 grand prix what would cause the heater to blow cold air?
heat core. leak. thermostat. no antifreeze.
Why would a back heater blow cold air and front heater blow hot air in a 2003 Chevrolet Suburban?
The front expansion valve is clogged.
What might cause a heater to blow cold air in a 1992 Wrangler?
heater core could be rusty and old or line to heater core could be plogged most likely old heater core
How can you tell if heater blower is not working?
it wont blow heat itll blow cold air
Why does Kia Sorento heater blow cold air?
you are low on coolingliquid !
