my car heaters have stopped working

Heater Symptom 1 My Cars Air Isnt Blowing At All If you cant get any air to blow at all its not specifically a heater issue - it may be a fuse. Why Car AC Heater Not Working.

6 Reasons Why Your Car Heater Isn T Working Properly

Test or replace the thermostat as mentioned above if you suspect this to be the cause.

. Your heater may have stopped working due to low coolant. It is usually located near the base of the radiator through the main hose. There are some very thin tubes in the heater matrix and if it becomes blocked the coolant may.

If your coolant level is where it should be then it could be one of a wide range of alternative issues. Its one of the most common causes of a failing car heater and the most easily rectified. The heater in your car truck or SUV depends on several components in order to work pro.

Check the fuse first and replace it if needed. Make sure the car is off and cool. A low antifreezewater level in the radiator due to a leak in the cooling system.

Car Heater Has Low AntifreezeCoolant. Clogged Heater Control 4. Electrolysis causes corrosion which may lead to your heater core leaking and clogging.

Ad Providing the Experience Equipment Care You Expect. If your cars thermostat is responsible for heating problems you can take some simple steps yourself. There could be a blockage or other problem stopping heated antifreeze from moving through the heater core component.

Faulty Heater Fan 7. Either the coolant is not flowing through the heater core or air from the blower is not blowing directly through your heater core. A jammed thermostat Air inside the cooling system A clogged heater core Expired coolant If the problem stems from the cooling system the most common causes are mechanical electrical or suction related.

Leakage Of Water 6. 1 Year12K Mile Warranty. Ad Chat 1-on-1 with Experienced Car Mechanics Online.

A valve or switch could be faulty or the heater core could be a clogged. Our mechanic shows you how to test the connectors power and ground at 128 in the video above. Car heater systems that simply dont work at all.

If your blower motor connectors power and ground are working that means everything in. Available 7 Days a Week. Save with a Membership.

Disconnect the blower motor connector. Under these conditions electrical energy is generated within the system much like a car battery. Then you water pump brings it back into your engine and the.

Faulty Blower Motor Resistor. With your key and heater switch both on test the connector using a test light. 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.

Show More Show Less If its not the fuse in many cases a blower motor is also a fairly straightforward replacement that you can do yourself. Ad Get Instant Quote. Wait until the engine has cooled down and check the coolant level topping it up if needed.

That can cause issues with your heater working but also damage your engines cooling system. All Makes Models. Another cause of heater core failure is electrolysis.

A bad thermostat that isnt allowing the engine to properly warm up. It then travels through more hoses back to your radiator. A heater can stop working for a number of reasons including.

Not Enough Coolant 2. The first thing to check is your coolant. The coolant that cools your engine also creates the heat that comes out of your vents.

A blower fan that isnt working properly. A broken thermostat makes you uncomfortable during a trip but it can also overheat and ruin an engine. Electrolysis occurs when there is a chemical imbalance in the coolant system creating an acidic environment.

Jack the front of the vehicle and make sure it is securely near the jack stands. A car heater that has stopped working can make a cold day even worse. Once the coolant leaves your engine it travels through hoses to your heater core.

Why doesnt my car heater work. Remove the radiator cap. The problem can have a variety of different causes including the following.

Certified Mechanics Fix Your Car in Your Driveway. A damaged component or malfunction can get a thermostat stuck open or closed. Heater Core Problem 3.

Test your blower motors connections.

Car Heater Not Blowing Warm Air Quick Free Fix Youtube