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You may have air trapped in the cooling system. Remove rad cap, start engine and let it run for 30 minutes with the cap off while you add coolant as needed. That should do it unless you have a cooling system leak.
Wiki User
∙ 18y ago
Wiki User
∙ 19y agoLow coolant, or a plugged up, dirty system.
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Warm air and cold air have densities?
Yes! Warm air is less dense, which is why warm air rises. Cold air is more dense so that's why it sinks.
What cause 1993 grand prix se to blow cold air on defroster setting?
A water thermostat stuck open. Air in the heater hose lines (caused by low radiator coolant). Air temperature (mechanical) control cable not opening the heater hose water valve (under hood).
When you warm up your car in the driveway cold air enters the cab then as you start to drive down the road warm air enters cab?
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How do you dry linseed oil on wood quickly?
Apply mild heat, When I want to rush drying I use a cardboard box to set my piece in and set a ceramic heater to blow "WARM" air into the box, it keeps the air circulating and speeds up the drying time. (CAUTION) use warm air don't get into to big of a rush.
Why does your heater only blow hot air when you are pressing the gas and cold air whenyou are not?
Has to do with the rpms if it's idle not much power is giving out to the car from the fan belt to get very warm. Say next time you're in your car. Start the car give it a little gas where the rpm is almost at 2 rpms. Same goes for the a/c.
Why does your heater not blow out warm air?
if the heater does not blow out warm air change the setting.
Why would cold air blow out when you turn on the heater?
engine not warm, low coolant, or stuck thermostat
Heater on but not blowing warm air?
heater on at idle and will not blow warm air. when moving it blows the warm air from the vents. what will cause this
Why is your heater blowing out warm air in your 1990 buick regal?
Isn't a heater supposed to blow warm air?
What is causing your auto heater to blow cold air instead of warm or hot air?
dual control damper needs replaced how do you change it
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Low on coolant. Stuck open thermostat. Poor circulation (plugged heater core).
Why does your central air unit blow cold air for only a few minutes then blows warm air?
why does ac blow warm air? why does ac blow warm air?
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
Why does the car heater blow cold air until driven for a while?
it has to heat up, just like water has to warm in the faucet.
Why would your heater blow cold air?
Your thermostat is most likely bad. It controls the flow of warm water into your heater core which warms your air. Its a common problem in winter and an easy fix.
How will the heater react if the heater core is stopped up?
Your heater will blow cold air only.
What would cause a 2003 Buick Century's heater to blow cold air when idleing but will blow warm air when moving?
Probably need to add antifreeze. Check the Radiator not the overflow tank. If you are low on antifreeze it will not circulate through the heater core.
