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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28 views

Can I use brass PEX fittings for heater hose fittings?

I originally used a plastic 3/4" tee (like https://shop.advanceautoparts.com/p/dorman-help-3-4-x-3-4-x-3-4-in-plastic-heater-hose-tee-47118/22147167-P ) but it deforms and leaks, so I want to ...
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3k views

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. ...
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28 views

Record -0° temp in Arkansas and my '10 Jeep Grand Cherokee is overheating plus heater stopped working

I had a good amount of 50/50 AF but when the temp dropped to record low of -0° my heater gradually went out over several days. I added a little concentrated AF and next day it overheated. Should I ...
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23 views

How do I diagnose heater problems on a 1997 Chevy Suburban?

I've got a 1997 Suburban and would love a complete list of items to troubleshoot a heater that doesn't work. What I've checked/done so far: blower motor is OK can switch from defrost/feet/face there'...
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28 views

Radiator not building pressure

I have a 99 Dodge Ram new water pump new heater core and clutch fan radiator not building pressure my heat comes and goes
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87 views

Bizarre Lack of Heat From Heater Vents - 2010 BMW E91 318d

I have an issue I'm struggling to pin down with my 2010 318d 3 Series Touring: All air vents blow cold or at best, luke warm air into the passenger compartment, even on long journeys when the vehicle ...
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25 views

Why does my 2006 jeep commander have no heat?

I have a 2006 jeep commander. new heater core, new thermostat, and door actuator but no heat. could someone please help me get some heat
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3answers
757 views

How do race drivers clear foggy windscreens?

I know that, in order to decrease weight, race cars may remove AC and heating systems as these are not essential. However, when driving, if their windows get foggy due to cold weather, how do they ...
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32 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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1answer
30 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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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
284 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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108 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
53 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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92 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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37 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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1answer
376 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
109 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
267 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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272 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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199 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 ...
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1answer
539 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
267 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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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 ...
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1answer
3k 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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1answer
360 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
418 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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60 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
46 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
88 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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1answer
2k 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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1answer
5k 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
164 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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1answer
1k 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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3answers
3k 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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21 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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444 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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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
38 views

99 Envoy no heat from heater

I have a 99 GMC Envoy and the heater is not working. One heater hose is hot the other is cold? Is there a valve on this model?
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9k views

Should car heater be working when engine is on but I am not driving?

I recently had my car engine, radiator and thermostat replaced as previous engine overheated due to a radiator leak. It seems to be working fine now however the heat isn't coming on when the engine ...
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4answers
6k 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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1answer
236 views

Heater cycles between hot and cold, overheating

I have a 2001 Buick Century, my heater cycles between blowing hot and cold air. I have recently flushed my radiator as well as replaced the coolant. My temperature gauge rises to a point that the ...
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1answer
94 views

2000 Regal only puts out warm air

2000 Buick Regal heater only blows warm air with temp set set on 90. AC works fine and automatic controller sends air to all selected discharge points, just doesn't get hot like it should. Both hoses ...
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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.
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0answers
47 views

Are there any cars where the blower motor is controlled by switched mode power supply?

I have seen many questions here related to blower motor resistors. That sounds like a really old-fashioned kind of technology. This made me wonder whether there are any cars that would use a switched ...
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212 views

my 2008 ford mondeo will not start at times, any suggestions?

2008 Ford Mondeo, Diesel - starting problems. Issue with starting at times. after long journey it may not start for a few minutes or if its left for 2- 3 days in wet cold weather i may need a jump ...
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3answers
14k 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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85 views

Woodburning stove / heater in a van

I am planning to install a mini wood burning stove in my van. Has anyone here have any experience with doing this? I have found a very small one on ebay, which I really like. The flue outlet is 63....
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2answers
11k views

Why is my 2012 Chevy Equinox heater only blowing cold air?

In my 2012 Chevy Equinox, when turning the heater on it only blows cold air like the AC is on. Temperature gauge is normal as it always has been No leaking fluids, including water The seat warmers ...