my car heaters have stopped working

There are many different places leaks can surface so be sure to check your hoses radiator and water pump for damage. Low antifreezewater level in the radiator.

Why Your Car Heater Only Works When Driving Firestone Complete Auto Care

Low coolant may prevent any from circulating through.

. Check your owners manual to find out how. Thus a poorly working radiator flap and air vents are often the cause of the poor performance of the heater. Here is what to check if your heater or defroster isnt working.

Ad Get Instant Quote. Wait until the. Cheap and easy fix.

Thermostat - If the thermostat is jammed open causing the car to overcool there may not be sufficient heat in. On the outside of the heater core there are small fins that allow air to circulate into the heater core. Next you can check for water leaks as this is one of the most common reasons for heaters not working.

Ensure to get them fixed for the normal functioning of your heater. TOP 5 REASONS why your car heater is not working. Your car heating consists of a heater core a fan the coolant system a thermostat a selection of tubing and pipes as well as its dashboard controls.

It then travels through more hoses back to your radiator. Once the coolant leaves your engine it travels through hoses to your heater core. The most common things we see at Meridian Automotive are as follows.

Blower fan that isnt working properly. If you find that your car heater system is blowing air but that your car is not heating up. The heater in your car truck or SUV depends on several components in order to work pro.

The heater core might get clogged due to the build-up of contaminants or particles during the usage time. If the thermostat is the culprit you may have bigger problems because the vehicle will. All Makes Models.

Remove the cap and place a funnel into the overflow reservoir opening or the radiator opening. If your heater isnt operating as it should then one or more of these components isnt doing its job properly. Possibly form a leak in the cooling system.

If this is the cause youll have to replace the heater core. Let the vehicle cool. CoolantAir lock - Did you top off the coolant as described above.

Lastly clogged heating controls is one of the major and most common causes of car heaters not working. Youll basically remove the cap to check that the fluid is topped up. If the coolant level should drop as the thermostat opens top it.

Heater control valve When you set the temperature to hot air being passed over the heater matrix should be ducted into the cabin. A faulty thermostat could be behind your cars heater not working. Start the engine with the cap still open and let the engine idle for a few minutes.

A broken heater pipe. Broken or Clogged Heater Controls. Set the heater to its maximum setting remove the coolant tank cap and fill it to the proper level.

Thermostats can also get stuck open causing the engines temperature to stay low. If your coolantantifreeze levels are low the easy fix is to check and refill it. There are several things that can cause a heater to stop working.

A clogged heater core will prevent the heat from getting into the vehicles inside. A car heater that has stopped working can make a cold day even worse. Your vehicles heater control valve is located underneath your hood and it acts as the switch that turns your heat on and off.

There could be a problem with the power supply or electrical. If any of these three are leaking your car heater wont work properly. If when you turn the knob no heat comes out it may be because the knob itself is broke.

Any of the pipes or heater core could be clogged or blocked. If your heater control valve is malfunctioning. In very rare cases depending on the car model due to its location in the car it is very easy to accidentally hit this pipe.

Your heater may have stopped working due to low coolant. These fins might get clogged overtime by particles or. There could be a blockage or other problem stopping heated antifreeze from moving through the heater core component.

Clogged heater core outer fins. Available 7 Days a Week. 1 Year12K Mile Warranty.

Check coolant levels by inspecting. If youre getting no heat coming out the vents either your heater core is not warming up yo. The Heater Control Valve is defective.

Then you water pump brings it back into your engine and the cycle repeats itself. An effective heating system can make for a much more enjoyable winter. If it isnt opening up to let the coolant flow through it the core cant produce heat.

Debris in the cooling system has clogged the heater core and blocked the flow of coolant. The first thing to be affected will be the heater core since it is higher than the engine there might not be enough coolant to reach it. Certified Mechanics Fix Your Car in Your Driveway.

The coolant that cools your engine also creates the heat that comes out of your vents. The last common problem with car heaters is a water leak. A valve or switch could be faulty or the heater core could be a clogged.

Car heater not blowing hot air. 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. Malfunctioning thermostat that doesnt allow the engine to properly warm up.

Theres a problem with the cars thermostat. The heater control valve may also be broke. Add new coolant until the.

Car Heater Not Working Reasons Why And How To Fix It The Drive