car heater not working thermostat

A bad thermostat that isnt allowing the engine to properly warm up. This video will show you how to fix your cars heater whether it is your heater core heater control valve ble.

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. Have a certified mechanic replace your thermostat if necessary or diagnose and repair other. Reasons Why Your Car Heater Is Not Working 1. To better understand why your car heater is not getting hot enough below are 14 common reasons.

A heater can stop working for a number of reasons including. Engine thermostat Clogged or Broken Heater Controls The heater controls are the knobs dials or touchscreen that you use to set the air temp and how hard it blows. Heater core problems Insufficient or contaminated coolant Defective blower motor or resistor Faulty thermostat Clogged radiator Coolantcooling system leaks Failing water pump Damaged heater hoses Airlock in the cooling system Broken heating controls.

If the thermostat is the culprit you may have bigger problems because the vehicle will start to overheat. Coolant has a very distinct and sweet odour. If the heater core in your vehicle isnt working properly and there is a leak in the system when you attempt to turn on the heat the fan might just blow that smell into the cabin of your vehicle.

However if you have a stuck thermostat the valve will not be moving properly. No heat in your car. The temperature changes erratically.

The valve thermostat manages the coolant temperature flowing throughout the engine. Remove the old thermostat and install a new one. The fan inside your car then blows heat off of it to give the cabin heat.

Thermostats can also get stuck open causing the engines temperature to stay low. Refill the radiator with coolant. The heater core has a radiator-like structure made from aluminum alloy with tubes that transport coolant in and out and distribute heat to warm the whole car.

Theyll get gummed up and eventually stop working. Buy breakdown cover Why is my car heater blowing out cold air when the engine is on. A stuck valve is going to cause the heater to not work the way you want it to.

The temperature gauge reads high and the engine overheats. Car not blowing hot air. If the heating system isnt working at all no hot or cold air is being blown into the car this is likely due to a faulty blower motor or an issue stopping power from reaching the blower motor.

Remove the radiator cap. If it is the thermostat that is the problem then you may have bigger problems as the vehicle will start to overheat. Its also possible you would notice the coolant itself leaking into your vehicle.

Get the car down and start the engine. Jack up the front of the vehicle and make sure its securely held by jack stands. Fortunately a thermostat failure is one of the many car problems your can diagnose and fix yourself.

A blower fan that isnt working properly. Drain the radiator and coolant by removing the hose and letting the thermostat drip into a bucket. Reinstall the radiator cap.

If the thermostat cant signal to the car that the engine is warm the coolant wont be sent over to provide heat to your heater core and the air will stay cool. If you notice that your thermostat gauge stays on the C even after the engine has time to heat up you may have a broken thermostat. At times thermostats can also get stuck open causing the engines temperature to stay low.

Squeeze the radiator hose to push the water bubbles forward. A low antifreezewater level in the radiator due to a leak in the cooling system. Its usually located near the base of the radiator by the main hose.

If it isnt opening up to let the coolant flow through it the core cant produce heat. The vehicles coolant leaks around the thermostat or under the vehicle. If your car heating system is not working the problem can be due to one of only four reasons.

The second common cause leading to the car heater not working is the heater core. Along the same lines as the coolant system issues a malfunctioning thermostat. Its not uncommon especially in older cars for these controls to wear down.

If your cars thermostat is to blame for its heating issues you can do the job yourself in a few easy steps. Make sure the vehicle is off and cool. Here are the signs your car thermostat is failing.

Reconnect the radiator hose. The system kept from the leaks or topped causes low coolant level and heater not working as this. Well now if the above two are not your reasons a dysfunctional thermostat can be behind your cars heater not working.

Problems with the cooling system issues with the heating core faulty water pump or malfunctioning heating blower fan. Every defective thermostat will end up delaying the warm-up process and it will also make heat generation pretty much impossible. A few things that cause automotive heaters to work less well are low coolant levels in the radiator a faulty heater valve or the thermostat is stuck open.

A faulty thermostat could be behind your cars heater not working. If your car is running low on coolant if theres air in the system or if the core itself isnt working properly then this could be the cause of your car heater not working.

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