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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.
How to Buy a Good Quality Heater
In the dead of winter, when the cold air is nipping at your heels, nothing is better than climbing into a nice, toasty warm car. However, having a heater problem like a heater...
How Long Does a Heater Blower Motor Resistor Last?
Keeping the cabin of your car warm during the frigid temperatures of winter can be a lot easier said than done. If even one of the components of the heater are...
How Long Does a Heater Bypass Tube Last?
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...
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.
How Long Does a Heater Control Valve Last?
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...
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.
How Long Does a Heater Hose Last?
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...
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.
How Long Does a Connector Hose Heater Control Valve Last?
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...
How to Buy a Good Quality Heater Blower Motor Resistor
Vehicles that are equipped with a manual HVAC, or climate control, system utilize a blower motor resistor to control the speed of the heater blower. If you are driving a minivan or...
How to Buy a Good Quality Heater Control Valve
When your heater does not heat, it is a pretty obvious problem. What is not obvious is exactly where the problem lies. Chances are, the problem might be with a little part...
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 to Buy a Good Quality Heater Blower Motor
The heater blower motor is part of the air conditioner and heater controls assembly, one of the many features created to make your ride as comfortable as possible. Your heater and air...
Symptoms of Bad or Failing Heater Hoses
Common signs include coolant leaking, hoses cracking, and engine overheating.
How Long Does a Heater Blower Motor Last?
During the colder parts of the month, you will start to rely more and more on your car’s heater. With all of the different components that are in place to ensure...
How Long Does a Heat Shield Last?
The heat that is produced by the exhaust system of an engine is much higher than most people realize. With all of the vital and sensitive components that are on your engine,...
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 out the tubes in the heater core will allow the coolant to...

Related questions

Heat not working in van even after replacing the fan motor.
Hello there, many common faults will cause your 1997 GMC Savana to have no heat. By the fan it sounds like you are talking about the blower motor, the one inside the vehicle that supplies the airflow from the vents....
Causes for heater to blow cold air
Hi...if you are referring to the passenger compartment heater, there are two possible causes of insufficient or no heat. The passenger compartment heater, also known as the "heater core", is essentially a mini radiator and the fluid running through this...
Why is there a burning smell in the car when the heat or air is on?
Hello and thank you for your question. The smell you are having is a result of a dirty cabin air filter that needs to be replaced. The filter is under the dash behind the glove box. If you continue smelling...
Heater not working - 2002 Chevrolet S10
Hi there. It sounds like you may have a blend door motor failure. The blend door motor moves the blend door inside the HVAC case to literally blend the air temperature out of the vents by directing the airflow accordingly...
My heater blows a lot of air it just doesn't get very hot
Hello there, a few common faults will cause your vehicle to have air that is not very hot. Without knowing the year, make and model of the vehicle I can only provide a broad answer. The most likely faults are...
My heat and AC do not work - 2003 Volkswagen Beetle
It sounds like the blend door may be stuck. The blend door is usually controlled by a cable or an actuator. If the switch itself seems to be hard to turn, it is likely cable driven and experiencing a restriction....
I have a 2003 Saturn L200 2.2L Manual Drive and the heater or AC will not work no air blowing.
Hi there. From the description you have provided, it would appear, you have covered the bases concerning your vehicle's inoperative blower motor. However, I am lead to believe the problem is still, no power supplied to the blower motor connector....
I changed my antifreeze yesterday, while sitting at an idle in my 1995 Nissan Altima, i have heat. But driving down the road I hav
Hi there. From the description you have provided and assuming this was not a problem, prior to changing the antifreeze leads me to believe, there is air trapped inside the heater core. Sometimes, the air will purge on its own,...
Brake booster heat issue.
Hello and thank you for your question. There could be an issue with the proportioning valve or ABS module. I suggest flushing out all of the brake fluid and bleeding all ports on the brake system. When replacing all of...
The heater uses hot engine coolant to warm the vehicle cabin. If the heater is blowing cold, the first thing to check is the coolant level. Low coolant, or a problem somewhere in the cooling system, will affect heater operation....
No heat,defrost or air coming from front a/c vents
Hello - there a couple of possibilities here for this problem: the blower motor resistor pack, or the fan switch portion of the HVAC control itself. The blower motor resistor pack regulates fan speed in the Low or Medium positions,...
DPF (Diesel Particulate Filter) melted
Hello. The DPF functions by trapping certain diesel particulates, and periodically goes through a regenerative cycle to burn those particulates (i.e. when you're on the motorway and get the temperature high enough to regenerate). This is a bit speculative, but...
Heater problems - 2005 GMC C5500
Hello. The fan speed control module (different from the resistor pack) is the common source for this behavior. The Part # is 89018778. If you need to have this done, a certified technician from YourMechanic can come to your location...
No heat on passenger side
Hello. Most of the time this is due to a failure in the blend door motor on the passenger side. It can also be the door itself or a sensor issue but most of the time it is the motor....
No heat after adding coolant and thermostat almost to H
Hello. If the coolant was that low then that will cause the heater to not work. The most important thing at this time would be to determine where the coolant went. For it to be this low that means it...
No heat when it is cold outside?
Hello there, many faults will cause a lack of heat in your 2012 Ford Focus. When the air is not getting hot, the problem can either be with the air inside the car or a cooling system fault. The most...
When i have my car running with my heat or ac on my car hesitates like it wants to stop when i'm stopped at a light.
As you may know, your car's AC system when working properly puts an extra load on the engine at all times when it is running. When this happens, your car's computer makes adjustments to compensate for this extra load on...
The heat control dial on my dashboard broke. The plastic connector snapped in half.
Hi. The best and really the only thing for you to do in this situation is to replace the climate control unit. The dail that has broken is sold as part of the entire climate control unit. You can not...
The heater is hot as long as you keep the blower on low, but gets cold when you turn it up
Hi there. The issue you're describing is typically caused by a heater blower motor resister that is malfunctioning or the heater core that might be obstructed with debris. In both cases, removing the dashboard to inspect and diagnose the precise...
The air and heat are acting up. When I turn the car on it makes a bubbling sound.
Hello. It sounds like you have a few different things going on here. They may or may not be related. If they all occurred at the same time, then it may be a bad electrical connection. Most of the time...

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