my car heater fan is not working

The fan blower for your acheater is located under the glovebox. Coolant leaks can also be a contributing factor as to why your car heater is not working and can result in low coolant levels.

Car Ac Not Blowing Or Car Fan Not Working Bluedevil Products

HEATER AC FAN NOT WORKING FIXIf the heater blower motor fan is not working on your car we will explain how you can test.

. The system is very simple and rarely goes wrong. Check for blown fuses and replace them to restore normal functionality. If one hose is the same temperature as the coolant and the other hose is cold a blockage might exist in the heater core.

Broken or failing heater control switch. You can jump it from the battery to make sure it dosent work. Problems with the cooling system issues with the heating core faulty water pump or malfunctioning heating blower fan.

A car heater thats not working can be caused by the following issues. Ensure to get them fixed for the normal functioning of your heater. The safest way to do this is with a non-contact infrared thermometer.

A problem with the switch which turns the fan on or off might also be the source of the problem. Lastly clogged heating controls is one of the major and most common causes of car. Bad or blown blower motor fuse connector or wiring.

Heater Symptom 2 My Cars Heater Speed Wont Change. Good luck Posted on Dec 07 2008. Fist you have to make sure its the fan.

This circuit consists of a feed wire from the fusebox to the onoff switch on the dashboard or centre console and another wire from the switch to the heater motor. Check in the connector plugs for any signs of corrosion. If you see the engine heating but the radiator fan isnt the fan wires could be the culprit.

Using a 5050 mix of anti-freeze and distilled water top off the radiator and fill the coolant reservoir tank to the. The motor is usually earthed to the body by a separate wire. The blower motor resistor controls the fan speed of your blower motor.

Make sure to do this when your engine has cooled down to avoid being burned. Failing or blown blower motor. Take your hand and smack the fan blower motor a few times.

Either its not getting electrical power or more likely the motor itself has simply. If your car heating system is not working the problem can be due to one of only four reasons. Check the heater core temperature.

Most coolant hoses are made of. Coolant leaks can come from coolant hoses a bad radiator or a blown head gasket. The only fault that is likely to develop is that the fan stops working because of a break in the electrical circuit.

Next you can check for water leaks as this is one of the most common reasons for heaters not working. Typically the gauge needs to be in the coolant to read properly. Lift the hood and check the temperature where the heater core hoses enter the heater core box.

If it isnt it could be that the heater control valve is not working and needs to be replaced or on older cars a physical flap which alters the path of the air could be broken or disconnected from the controls. Thankfully installing a new blower motor resistor is also typically a simple repair. Thats all it took for for mine to start working again.

To determine if this is the problem when the engine is cool remove the radiator cap. If it doesnt youll have to replace it. Also check the connector plugs at the relay and control unit.

Car Heater Not Blowing Hot Air. After letting the car cool remove the radiator cap and place the funnel in the opening. If the coolant is low there may be air in the system which will lead to localized hot and cold spots.

The heaterairconditioners fan blows across it and the hot air comes out of the vents. If the fan is not working even when the car is overheating there might be a wiring issue or a bad connection. Thermostat If the thermostat is jammed open causing the car to overcool there may not be sufficient temperature in the coolant to provide sufficient hot air.

Failing or blown blower motor resistor or blower motor resistor module. There are a few potential culprits for why your car engine coolant may not be heating up. Simply unplug both the wires negative as well as positive.

If your car heater is not working at all youre looking at a faulty blower motor or an issue stopping power from reaching the blower motor. Check the wirings going to the radiator fan from the control unit or relay. If the heater isnt blowing hot air at you when you turn the system on the blower fan might have a problem.

If your coolant level is too low there wont be enough hot liquid in the heater core resulting in cold air. Lastly clogged heating controls is one of the major and most common causes of car heaters not working. If it does its probably your fan switch.

You may need to. The heater in your car works by circulating hot water from the engine into a copper or aluminum pipe coiled up in the dashboard. A Bad Blower Fan Motor.

Locate the fan vents. Pour in the new coolant until the reservoir is full. Coolant Level - The first thing to check is the coolant level.

Clogged or broken heating controls. This is why the heater doesnt work. You should top up the coolant to the appropriate level.

HOW TO TEST HEATER BLOWER MOTOR FAN. In order to fix this you might have to prise open the heater box or perhaps even lift a section of the dashboard to access the blower. A blown fuse might just be the reason your car heater fan is not working.

When your heater blows warm air but you cant adjust the speed of the fan its likely your blower motor resistor. The standard direct current they must put out is 12v approx. Take a voltmeter and check for the presence of current.

The blower fan located behind the dashboard pushes air through the climate control vents. The first thing to do if youre having issues with your car heater is to check your engine coolant.

Car Heater Not Blowing Air Here S How To Fix It Rustyautos Com