Showing articles & questions for topic
heating

Related articles

What Typically Causes the Heating or AC to Stop Working?
While both the heating and AC are connected - to an extent - within your car, they’re actually...
How to Flush Out Your Heater Core
If your car’s heater doesn’t seem to be working too well, it might be time to flush it out. Flushing...
Signs You Need a New Car Heater
Car heaters are a key car part for those living in cooler climates. A common sign your car heater isn't working is when air doesn't heat up quickly.
How To Keep Your Car From Overheating
Monitoring your coolant level, turning the A/C off in very hot weather, and regular inspections will help you avoid having an overheating car.
How to Diagnose a Broken Car Heater
A working car heater will keep you warm and defrost your car. A failing radiator, thermostat, or heater core can cause your heating system to fail.
Symptoms of Bad or Failing Heater Hoses
Common signs include coolant leaking, hoses cracking, and engine overheating.
Symptoms of a Bad or Failing Heater Control Valve
Common signs include the heater not working, coolant leaking from under the engine, and no voltage across the heater control valve.
Symptoms of a Bad or Failing Heater Bypass Tube
If you see coolant leaking under your car or smell coolant from your car, you may need to replace the heater bypass tube.
Symptoms of a Bad or Failing Heater Blower Motor Resistor
Common signs include the car's heater not working or getting stuck on a certain speed, or something getting jammed in the blower motor.
Symptoms of a Bad or Failing Heater Blower Motor
If your car's heater doesn't work, only works on certain speeds, or only cold air comes out, you may need to replace the heater blower motor.
Symptoms of a Bad or Failing Connector Hose Heater Control Valve
If your car's AC stops being able to blow warm air and you find coolant leaks, you may need to replace the connector hose heater control valve.
How Long Does a Heater Hose Last?
The The engine of your car produces a lot of heat. Making sure that the heat that the engine produces does not affect its overall level of functionality is the job of the heater hoses. As the coolant in the...
How to Buy a Good Quality Heat Shield
Heat Heat shields are used to keep everything cool and under wraps when you are heating it up on the track or just on the road in a hot part of the country. A heat shield provides necessary protection for...
How Long Does a Connector Hose Heater Control Valve Last?
The The hose heater control valve opens and allows hot coolant from the engine to blow into the heater core. After the vehicle gets to the correct temperature, the thermostat is opened and allows coolant to circulate through the engine....
How Long Does a Heater Control Valve Last?
Keeping Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements of the coolant system can lead to a...
How Long Does a Heater Bypass Tube Last?
In In order for the cooling system on your vehicle to work, you will have to make sure that all of its components are repair free. The thermostat that is on your vehicle helps to regulate the flow of coolant...
How Long Should It Take a Heater to Warm Up in Cold Weather
When When you turn on your car’s heater, it should start blowing warm air. If the engine is already at operating temperature, this should happen immediately. However, if your engine is cold, it will take longer and if the weather...
How Long Should It Take a Heater to Warm Up in Cold Weather
When When you turn on your car’s heater, it should start blowing warm air. If the engine is already at operating temperature, this should happen immediately. However, if your engine is cold, it will take longer and if the weather...
How Long Should It Take a Heater to Warm Up in Cold Weather
When When you turn on your car’s heater, it should start blowing warm air. If the engine is already at operating temperature, this should happen immediately. However, if your engine is cold, it will take longer and if the weather...
What Components of the Heating and AC System Are Most Likely to Fail?
The The average automotive heating and cooling system (HVAC) is actually very complex, and they’re not connected to one another outside the cabin. Yes, your HVAC controls allow you to switch from warm air to cold, adjust the fan speed...

Related questions

Question
No heat and the temperature gauge goes down.
Hi there. Check the heater control valve on the heater hoses under the hood. The valve is controlled by vacuum. Check the vacuum lines and see if they have came off or split. With the engine at operating temperature, check...
Question
Where are the climate control sensors located?
Hi there. Check the heater control valve in the engine compartment that is in line with the heater hoses and the engine. If the valve is sticking or shutting off, then the heater will not produce enough heat for the...
Question
thermostat?
It is not uncommon for the temperature gauge to drop when the heater is switched on, especially in colder situations (below 40 degrees f). The thermostat should be able to control the engine temperature in a way that you should...
Question
Temperature problems
Hello there, there are many faults that will cause your 1999 Chevrolet Tahoe's temperature gauge to only rise to 1/2 and the heat not function. The most common cause is air stuck in the cooling system, this commonly happens after...
Question
Service engine light came on.
Hello, this code represents a slow acting thermostat getting to engine operating temperature which is about 195 degrees. The computer monitors the time to get to operating temperature, if it takes too long it will set this code. The issue...
Question
Seat heater not working.
Having an inoperative heated seat is not out of the ordinary. Most times the heater grid in the seat goes bad. Generally this happens over time just due to the fact that getting in and out of the seat flexes...
Question
Problem with the electrical system of the car
The BCM or body control module controls all of these items and there is a technical bulletin to get the BCM reprogramed. The reprogram should fix the issue for you. The dealer will have to do the reprogram for you....
Question
Overheating and heater not working
It sounds like you may have a faulty thermostat as well as a bad coolant temperature sensor. If the coolant is not getting to the heater core, then this would indicate a bad thermostat or a clogged heater core not...
Question
no heater
The lines to the firewall could be hot and yet the heater control valve is not admitting the heated coolant to the heater core in the dash. So, you want to inspect that valve and make sure it is moving...
Question
No heat
This may be due to a faulty heater blower motor or potentially a bad heater core. As you may know, the heater core is a small radiator like unit that circulates the hot coolant from the engine through the heater...
Question
My heater only blows cold air
Check the operation of the heater control valve, which is often located on the engine compartment firewall. If that valve doesn't move to the commanded position, or move fully, you will have a no heat condition. If the valve is...
Question
My heater is not working
Hello. As you know, there are two main components to the heater in your vehicle. One is the heater core which uses the warm coolant passing through the motor (and the heater core), and the other is the blower motor...
Question
My heater is blowing cold air.
If the engine temperature is not abnormally low, then a stuck open thermostat is not likely to be the cause of inadequate cabin heat. Common causes of no cabin heat include malfunctioning blend door(s) (part of the in-dash ventilation network),...
Question
How do I turn on the heated seats?
The heated seats are a luxury feature that heat the front seats. This provides maximum comfort for the driver and the front passenger. To turn on the heated seats, press the heated seat button, which is a picture of a...
Question
Heating
Hello. There can be several components that will cause the heater to fail. Always start with the simple options first. The heater relies on hot coolant from the engine entering the heater core where air is pushed over it before...
Question
Heater only blowing cold air.
This symptom is usually due to a low coolant level. Restrictions in the cooling system or air can also cause this same issue. I would first start by ensuring that your coolant is at its proper level. If the coolant...
Question
Heater only blowing cold air.
There are two likely causes for your concern. Either your heater core inside your dashboard is clogged, or one of the doors that directs the air to your heater core is malfunctioning. I would enlist the help of a certified...
Question
Heater not working
This may be related to a faulty blower motor or blower motor relay. The blower motor is a unit inside your vent system that blows warm air from the heater core to the vents when the heater is on or...
Question
Heater not working
Hello. There are usually three potential culprits that cause this issue. First is that the heater core inside the dash is broken or clogged. Second, it could be a problem with the vents from the heater core to the vents...
Question
Heater not working
If steam is coming out of your vents, the heater core is leaking. Replacement of the heater core on your particular vehicle requires dashboard removal and should only be attempted by qualified technicians like ones from YourMechanic. They will be...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question