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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2
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1answer
606 views

1991 F-250 vent always blows hot air

tl;dr;? see bold text I recently inherited an old 1991 Ford F-250. It seems to run well, only has 80,000 miles, but it has two main issues (I'll post a separate question about the other one). The ...
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1answer
268 views

2007 Subaru Outback - Split AC/Heat passenger side not responsive

As stated I have a 2007 Subaru Outback, with the LL Bean package; no LED screen yet on this one. The AC/Heat has split controls, one for the passenger side and one for the driver. I've always kept ...
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1answer
57 views

my heat doesn't work iin my 98 Honda civic

My heat doesn't work in my 98 Honda civic. I just had the radiator and the fan motor replaced. I haven't had a chance to test it will this fix the problem?
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3answers
83k views

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 ...
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0answers
20 views

Mitsubishi L300 2001 heater not working

The heaters of my Mitsubishi van aren't working properly by blowing only cold air. After doing my research online I found some posts talking about the thermostat and coolant (air blocks). The first ...
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1answer
296 views

2006 Pontiac Vibe Heating problems - Toyota engine

To start, I had my mechanic disconnect the compressor for my A/C about 6 months ago. He said my car would be fine without it. Now, with that being said, my heat suddenly stopped working properly. ...
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1answer
4k views

2008 Chevy Equinox: no heat in idle

My 2008 Equinox had not been getting heat in idle, but heat would come on when driving. There was also a strong coolant smell when heat was on. Recently, I was getting overheating messages on the dash,...
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1answer
51 views

No heat extreme cold (Mini Cooper r60)

I bought a used Mini cooper countryman 3 years ago. Since I've owned it when the weather hits around -5 degrees F and I cold start the car, the heater won't work properly. The dash says it's slowly ...
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1answer
29 views

Can I get a HVAC diagram that shows vent locations and components for 2005 ford freestar

I have a 2005 ford freestar that has floor and ceiling vents in the back of the cab. I'm interested in installing a 3rd party external heater and would like to see the ventilation routings to ...
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0answers
27 views

A/C Condensor fan turns on when Heater is switched on

I have a Mitsubishi Lancer. I recently got the fan control module changed. However, I have noticed that when I turn the heater on, the A/C condenser fan also turns on. Is this right? I do feel that it ...
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0answers
7 views

2001 f150 heater blowing warm only on low & hotter when it's warmer outside

Heater blowing warm only on low & warmer if its warmer outside. Tried flushing the system & making sure antifreeze is full but the higher the blower setting the cooler it gets??
2
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1answer
28 views

HVAC not providing heat in the vehicle

I have a Vauxhall Insignia. I've had the waterpump, thermostat, and housing replaced. It's still not getting hot air in the car. Also, had 2 sniff tests done and compression tests done, both passed? ...
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4answers
5k views

Car heater taking too long to come on if at all?

My car heater is taking a long time to come on if at all. Anyone know what can be causing this? Just to note that I recently changed my engine because the previous engine overheated and the water ...
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0answers
26 views

What does a high altitude package in diesel heatings

I am currently checking out various camper vans and for one manufacturer there is an option for the diesel heating called "high altitude package" which is supposed to ensure the heating is functioning ...
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2answers
137 views

Can running the heater with the A/C on damage your car?

I find that having the A/C on with the heater helps defog the car faster in the winter. Is it possible that doing this can damage the car?
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0answers
20 views

Intermittent heater problems

I have a 2008 Mercedes Benz auto, 2148cc. The heating and a/c have been working fine for several years, until a few months ago. The initial problem was that the cold a/c switched itself off ...
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4answers
10k views

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 ...
2
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4answers
7k views

Mysterious honda civic 2002 overheating some time

Okay, so lets start here. First my car started overheating. We changed the thermostat but it keeps on over heating. Let me explain my problem. I am driving on highways my heaters work perfectly ...
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2answers
3k views

2006 Jeep Commander - heater is only blowing hot air

My 2006 Jeep Commander continues to blow hot air even when the switch is turned completely off. Has anyone had this problem before? Problem description from OPs 'answer' below: "If I turn the fan ...
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0answers
88 views

Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
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2answers
5k views

Why does air always blow out of the dash vents?

This is something that occurs on every vehicle I've driven in the last 15 years, so it's obviously not a malfunction but a design choice. When you turn the selector to blow either on the floor or ...
5
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3answers
10k views

foreign object in windshield vent -dangerous?

I have a 2016 Renault Captur. My daughter dropped a small plastic toy (about an inch high) in the windshield vent (the one above the dashboard) and I'm unable to fish it out. How likely is this to ...
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0answers
32 views

Heater will blow warm air then go to cold

I have an 01 Ford f150 with the 5.4 Triton, my heater has worked good untill a few days ago, at operating temp the heater will blow hot air but if I change it from defrost to anything eles or turn it ...
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2answers
391 views

2003 Nissan Altima's heat is only lukewarm

My '03 Nissan Altima blows plenty of heat when the weather is warm. Now that we are into cold weather, it blows only lukewarm air when I have the heat on. The coolant level is okay. I had the ...
2
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1answer
192 views

No heat, but fan and heater core are working

I have no cabin heat in my 1996 Volvo 850 even though the blower and heater core appear to be working. I have the air mix turned off, so no outside air should be coming in. Nevertheless, the system ...
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2answers
105 views

Can you “warm up” an electric car in icy weather?

I'm in New England, and the latest snow/sleet/ice storm just left four inches. I did what I usually do with my two conventional gas cars: start them, move them to the street, clean off most of the ...
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1answer
80 views

Poor heat inside of car and loosing coolant from reservoir and radiator

2008 Subaru forester. I have to add coolant to reservoir every 50 miles or so. I get very little heat from inside the cars vents. I don't have any oil loss or any water in the oil. I have not been ...
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4answers
23k views

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 ...
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3answers
2k views

How to remove the rear heater on an Econoline

So I'm currently in the process of gutting a 2005 E350 (a former wheelchair van with a raised roof) to turn it into a camper van. As part of this process, I went about removing the back heater. In ...
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0answers
215 views

Toyota matrix heat/hvac heater blend door actuator

I have a toyota matrix 2005 xrs its blows full heat on the drivers side but cold on the passengers side sometimes just alittle heat will come on the passenger side thats when i drive for a bit also ...
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0answers
166 views

2008 Honda CRV can't change ventilation mode

Heater works great and A/C works great when I turn the hot or cold knob. Once I change blow mode to window defrost it stays there for several days even if I change the settings to other blow mode ...
3
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4answers
25k views

1997 ford f150 heater not working properly

I have a 1997 ford f150. New water pump, new thermostat 195°, heater core has been flushed out. Problem is the heat will blow warm for few mins then blow cold air for few mins. What else should we do? ...
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1answer
394 views

02 Nissan sentra 1.8 heater not working right?

I have a 02 Nissan sentra 1.8 heater is very weak even after it warms up I have cool heat not hot gauge always stays right in middle never over heats top radiator hose is hot and bottom hose cold same ...
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1answer
241 views

No heat when idle

I have a 2013 Dodge Grand Caravan. I had the heater core replaced recently and now I don't have heat on the right front passenger side. I have flush the line both front and back and ensured the ...
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0answers
41 views

Just had engine rebuilt, since that i had to replace fuel pump, now heater is blowing and no hot air. Could this be due to the rebuild done?

i just had an engine rebuild and since have had several minor but potentially expensive issues. Can a heater be affected by an engine rebuild? I picked it up 3 weeks ago and was informed that if my ...
2
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1answer
817 views

How long will it take for my heat to work after refilling antifreeze?

Two days ago the heat in our 2011 Jeep Liberty was working fine. Yesterday my wife said the heat wasn't working, it was blowing air but it wasn't warm. I looked online and it was suggested that the ...
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0answers
39 views

No heat on high blower - 2006 Silverado

I have a 2006 Chevy Silverado 1500, 5.3l, and I'm having issues with my heat. With blower off at idle, hot air comes out of whatever vent or defroster I select. If I drive, the hot level goes down a ...
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1answer
3k views

2006 Hyundai Tucson no heat

I have a 2006 Hyundai Tucson v6 and the heat stopped working. It blows out fine but only cold air. I've checked the coolant level which is fine and all fuses that relate to the heat and ac.
11
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5answers
27k views

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 ...
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1answer
45 views

Condensation on windows

I'll just start with you're going to feel like this is a vague question 2002 ford explorer xlt 6cyl 4.0 sohc I made a joke to my co-worker about my suv being 2 faced. It had condensation on the ...
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2answers
75 views

checking head gasket?

I have seen people turn on the heat inside the car before buying probably checking the head gasket or over heating of the engine? And some people press the coolant hose to check it. Can someone ...
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0answers
1k views

Peugeot 308 (2010).with heater problems. Only warm air from vents & foot well. Coolant leaking too but engine NOT over heating. No visible leaks

Car heater works but only blows warm-ish air on small vents and footwell blowers. Windscreen vents not blowing warm air like other vents and temp seems to drop or not even be there on windscreen vents....
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2answers
905 views

Does using heat in the car SAVE gas?

Its well known that using heat in a car is almost free (see for example here). It is also known that using the heat can reduce the engine temperature which otherwise needs to rely on water cooling. ...
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2answers
6k views

2012 chevy equinox blows hot air even shut off

We have a 2012 Chevrolet Equinox. We cant turn off the interior heat even when we turn the temp all the way down. Even when we turn off the heater it keeps blowing hot air. What could be the ...
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0answers
20 views

2010 Dodge Caravan

When 2001 Dodge Dakota heater wouldn't work at all speeds I changed the blower motor resistor and all was well. Tried the same thing when 2010 Dodge Caravan heater was doing the same thing and it didn'...
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6answers
45k views

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 ...
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0answers
406 views

Engine is warm but interior blows cold air until Throttle is engaged? Blows hot till next cold start

We have a 2003 Toyota 4Runner with the V8. The temperature here has been below -20c many times so far this year. About a week ago my wife noticed that her 4runner is not warm inside when using her ...
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4answers
2k views

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 ...
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0answers
1k views

Failed heater core DIY alternative hack

The problem: My friend's car has a non-functioning passenger side door, and in August, the heater core started leaking into the cabin. So I bypassed the core so the car could remain in use. Of course ...
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1answer
789 views

2005 Montana heater blowing warm air only

My Pontiac Montana is blowing warm air with the heater turned on. I was receiving a code (not sure what the number was but the message referred the engine was running cooler than it was supposed to). ...