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The cooling system may be low on coolant, check the reservoir. Could also be a partially plugged heater core, try flushing it out.
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∙ 13y ago
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Car heater blows cold air when not driving?
A car heater taps off engine heat. If you aren't driving, then the engine is cold and there's no heat for the car heater to use.
Why do car batteries run down in cold weather?
Chemical reactions slow down in the cold. The electricity produced in a car battery is the result of chemical reactions between the sulfuric acid and the lead plates. Slow down those reactions and the battery is not able to produce its normal current.
What cause your heater to go from hot to cold when the car warms up?
because it needs to cool down if it gets too hot
Why is your car heater blowing out cold air when it is on?
Low coolant and a clogged heater core are possibilities.
Heater blowing cold but car not overheating?
faulty control valve on heater or air in the lines
My car is blowing out cold air not hot when the heater is on.?
You need to change your thermostat in the car.
Can the heater core on a Cavalier be bypassed?
yes it can, but dont really recommend it. if your car starts to over heat and the heater core not there you can not use the heater fan to help cool it down, also if you live in an area where it gets cold you wont have no heat.
Why does car heater get cold at high rpm?
open or missing thermostat
What part of a car slows it down?
"Brakes" make the whole car slow down.
Why does your car slow down uphill?
Gravity
What will slow a dragster car down?
A parachute.
When a car thermostat does not work properly can this make your car surge when you go to acclerate if heater is on full blast in a cold car?
No
