Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [heater]

An assembly to generate heat inside the cab of a vehicle, frequently taking hot air off the engine block and sending it into the driver's compartment.

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2000 VW Golf heater won't blow hot air

My 2000 2.0L Golf GLS won't blow hot air at operating temperature, the air is only lukewarm at best. This started a few months ago inexplicably. The car isn't overheating or underheating, it reaches operating temperature in the same amount of time…
Mr. Buster
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Keeping windshield ice-free without heater

What options are there to keep the windshield more or less ice-free during extreme cold (-30 degrees) without using the heater of the car? We are currently on a road trip through the Baltic states and car heater broke. It is blowing only cold air.…
DK2AX
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Why would a mechanic crank heater to maximum

This is a curiosity question. I recently had the timing belt, tensioner and water pump replaced on my Honda Odyssey. When I picked up the van it was really hot inside but I didn't think much of it. Later I turned on the climate control and noticed…
Cameron Roberts
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Heater blows cold air at idle

I have 2006 VW beetle with the 2.5L engine. Once the engine has warmed to operating temperature, and I am driving it around, the heater works great. As soon as I stop at a red light, or am idling for any length of time the air coming out of the…
deeptread
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Excessive Coolant Expansion: Part 2

This is a continuation of my excessive coolant expansion question regarding my 98 Mazda 626 2L. When I drained the coolant I noticed this black sediment which settled to the bottom of the container I was draining into: It seems to be fine grains…
Robert S. Barnes
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Is there a type of car heater that starts immediately?

I've noticed that most cars have a heater that takes a few minutes to start after the car has been started, presumably because it derives its heat from the engine which hasn't heater up yet. Are there heaters which don't use engine heat and thus…
Timbo
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Should I use the heater while warming up my car?

I know that you should drive off immediately to warm up your car as your entire car will warm up faster this way. However, the common practice to defrost the inside of your windshield is to blast the heater on for several minutes until it clears…
Yousend
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No heat in my 2008 Pontiac Vibe

I changed my thermostat twice in a week on my 2008 Pontiac vibe. My car was blowing cold air and running hot but the thermostat would open up and it would go back down to normal. I would have heat for maybe three minutes and then it would be blowing…
Sarah
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What is more economic to run? Pre-heater or the engine itself?

I am currently sitting far up in nothern Norway and I am early for an appointment. So I figured I'd wait in the car for the time to pass. But since it's currently -15°C outside: I need to have heating on. My car (a Volvo V40 D2 - 2013) is fitted…
Alex
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2006 Subaru Forrester overheating and no heat

My 2006 Subaru Forester is overheating with no heat blowing through the vents. I have had a thermostat put in and a new heater core. Radiator has been pressure tested with no leaks. Unfortunately it doesn't overheat all the time. It will go a few…
TCrawford
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Is it efficient to use the cabin heat in my car?

As much of the United States struggles through the end of the nasty cold spell, a thought came to mind: Is it generally energy efficient to run the heat in my car? Let me be a little more specific. I own a Chevrolet HHR, and as far as my…
gcode
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Why does my car sometimes blow cold air while the heater is on?

This started about a week ago. I put the heat on and about after driving a couple of miles with the heat on it would randomly blow out cold air. Sometimes if I turned the heat off or switched it from cold back to hot it would work again. How would I…
colleen
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Heat only works when engine is revving and at full power

On a 2004 Chrysler Sebring, the air only works when turned up to maximum power. At any of the 3 levels below that, no air comes out. Additionally, when the heat is on, it only blows hot air while the engine is revving. When I release the gas, I can…
purpleACR
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Car overheats idling in traffic

I have a 2000 Chevrolet Impala. I recently had the water pump, timing belt, radiator, and thermostat replaced because I had a coolant leak/overheating problems. I now don't have a coolant leak, however, while idling in traffic, my engine's…
Samantha
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Hot air only flows to vents, not to defrost?

I have a 1995 VW Jetta GL, 2.0 engine, 5 speed, a/c. My heater won't switch between defrost, floor heat or vents. It's stuck on the vents and I can't seem to find out why. I have torn apart the interior panel and disconnected the cables and worked…
PATRICK
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