My car heater only blows out cold air, How can I fix this myself, and now have to pay a mechanic?

Question

I dont know anyone at all who knows how to fix my heater, ive asked.

I can not afford too bring my car in and have a pro fix it, I dont have any money.

What can I do, too make it warm again?

Even after driving across state for 4 hours didnt help it warm up.

I really need help with this and fast.
Its getting too cold outside.

thank you so much for any advice

Answer 1

Most likey your heater core is bypassed.. or your car may not have a thermostat so the engine stays too cool to push any heat.
Since you said it blows cool air, the fan is working and not the problem.

If the heater core is bypassed, it is probably leaking and whoever had it before you bypassed it to sell it instead of replacing it... soome cdars are very ez to replace it... some very difficult.

It could also be that the control slider for the cold to hot adjustment is disconnected.. altho this is rare.

Answer 2

Make sure that the lever controlling the heater temperature is working, this usually moves over a background scale coloured blue and red. Put it far over on the red. Check that moving this level operates the input water tap to your heater. Usually there is a cable (not electrical) connecting the heater lever in the car to the control tap on the heater. You may not be able to see where this cable goes inside the heater, so in a quiet environment listen for movement noises inside the heater while you move the lever.
When your engine is cold check the radiator water level. You may have to do this at a white plastic tank showing the water level. DO NOT DO THIS with a warm engine, you could be sprayed with very hot water. If the water level is too low it may not be circulating through the heater.
Also if you have a water temperature gauge in your dashboard instrument panel look at this gauge after you have been driving for 10 minutes. If its not up very far you could have a failed thermostat that should ensure the water temperature is not cooled down too much by airflow through the main radiator when you are driving. A thermostat change needs an experienced friend or a garage to change it.
If its none of these you may have a kinked or blocked hosepipe to your heater.

Answer 3

When a heater blows cold air, the most likely reason is a low level of coolant in the cooling system. The coolant level should be checked and the radiator refilled if necessary. Low coolant levels are likely to be the result of a leak, which should be found and repaired to avoid damage to the engine. A heater can develop leaks that cause hot engine coolant to drip into the passenger cabin. This is due to leaks in the heater core. If so, you need to replace the heater core.

Answer 4

Maybe your thermostat has been removed. Follow the rubber hose on top of your radiator to metal. There will be two bolts. Remove and look into the hole. Should be a thermostat. Only cost a few bucks, replace. If that isn't it, feel the floor on your passenger side for wetness, if it was wet or has been before, you may have a bad heater core. Way up under the dash.

Answer 5

Do you have enough coolant ? , you need to check to be sure by checking your overflow reservoir when the car is cold. It could be as simple as that or you may need a new thermostat which in usually located on the engine side end of the upper radiator hose. If you lived in Albany New York I would take a peek at it for you but I'm thinking you are far away :)). Good luck..

Answer 6

Could be a couple different things. First, simplest, and cheapest: check your coolant level, it could be low. Second, your thermostat could be stuck or otherwise faulty. You may need to replace the thermostat. Third, your heater core could be bad. These can be hard to replace, depending on model of vehicle. Had a car that needed a heater core replacement once, the mechanic nearly had to stand on his head to remove and install. Good luck.

Answer 7

The heater core has gone bad. Depending on the make, model of the vehicle and how mechanically inclined you are will determine the best route to go to fix the problem.

Answer 8

Your thermostat is either stuck open or removed.easy problem to fix.go to auto parts store and purchase one,they are fairly cheap just a few dollars.
first make sure your car has been of for a while to cool down.
Now where top radiator hose connects to your engine you will see a metal cap that it connects to just remove that cap normally 2 bolts hold it on.take out old thermostat,if it's there and simply put new one back in.

Answer 9

did you go to a auto parts store? Ask for manager tell him situation, he may know what you need.

does your car need antifreeze.?

is it electronic temperature control or mechanical. If it's mechanical check the cables/linkages.

It may need a heater core, which is difficult to change if you're not mechanically inclined.

Answer 10

Try putting some water in your radiator!