my car heater fan stopped working

If your cars AC isnt blowing air it could be a problem with your cars fan. The cars heating system consists essentially of a motor-driven fan to blow warm air from the engine bay to the cars interior.

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One of the main reasons your car heater isnt working is leakage in the radiator.

. Adjust the fan speed. Check in the connector plugs for any signs of corrosion. Even if every other part of your cars heating system works properly you wont feel any warm air if the fan doesnt work.

Thats all it took for for mine to start working again. A damaged radiator can leak and prevent coolant from reaching the heater core. Turn on the AC or heat.

I have a 2003 Accord with the same problem. All power to every one of the electrical working parts of the car is supplied via fuses. Let the car cool for 15 to 20 minutes.

Follow them to a terminal block located on the firewall near the power brake vacuum booster. Should be mounted right next to. The leakage in the radiator drains the water causing damage to the engine.

Without the heater core your car cannot heat up. All fuses good all relays good. Remove and check the fuse for damage.

A blown fuse might just be the reason your car heater fan is not working. If the fan is not working even when the car is overheating there might be a wiring issue or a bad connection. Check your fusesIf you have a test light unplug the blower motor start the car turn the fan on if you have power to the blower plug the blower motor is bad.

I have - Subaru 1993 Legacy question. The radiator cools down the heated parts and gives. The system is very simple and rarely goes wrong.

Keeping the black lead on a good ground usually a bolt on the engine block and the blower switch turned on use the red lead to probe the plug that usually attaches to the blower motor. If you see the engine heating but the radiator fan isnt the fan wires could be the culprit. Your vehicle works with a radiator that eliminates heat from the engine giving a smooth and calm ride without damaging the parts.

The meter should read between 9 and 11. Problems with the vehicles heating system will not prevent you from riding your vehicle in worm days. Do they only blow one speed.

If little air is coming through the vents hot or cold then it could be because the blower motor for the fan or a switch or resistor that controls fan speed isnt working. Its been working for over 6 months now. Air stopped blowing on acheater.

Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the drivers selection in their climate control system. Remove the radiator cap. Blown Fuse or Loose Wiring.

If there is no air from the vents or the speed cannot be controlled proceed to the next step. If youre getting no heat coming out the vents either your heater core is not warming up yo. Locate your vehicles fuse box.

Refer to the fuse legend or the manual to locate the blower motor fuse. However you must get it. For better clearance lift up.

It will be at the base of the radiator in between the core and the main hose. Take your hand and smack the fan blower motor a few times. Problems with the cooling system issues with the heating core faulty water pump or malfunctioning heating blower fan.

They come out on the leftdrivers side. Another cause might be that the electronically controlled blend doors that direct air flow are stuck or broken. The heater fan is responsible for dispersing the air throughout the cabin.

My heaterac fan stopped working all of a sudden. A problem with the switch which turns the fan on or off might also be the source. If no power if its not a fuse check the blower motor resistor.

These different speeds are usually controlled through a set of resistors or a small computer. Using a test light or a multimeter set on volts unplug the blower motor. Check for power at the motor itself.

Simply unplug both the wires negative as well as positive. Check for blown fuses and replace them to restore normal functionality. Step 2 Checking the Fuses.

Broken Wiring or Bad connection. So get out there and give it a smack or two. Its VERY likely that your heater core is getting stopped up.

Look at where the wiring comes out of the top of the box where the blower motor is located. The standard direct current they must put out is 12v approx. I still get warm or cold air if window is cracked open.

The heater in your car works by circulating hot water from the engine into a copper or aluminum pipe coiled up in the dashboard. Check the wirings going to the radiator fan from the control unit or relay. If your car heating system is not working the problem can be due to one of only four reasons.

Going over most common car heater problems and how to fix them. The fan blower for your acheater is located under the glovebox. The only fault that is likely to develop is that the fan stops working because of a break in the electrical circuitThis circuit consists of a feed wire from the fusebox to the onoff switch on the.

Heater Blower Motor Resistor.

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