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Questions tagged [heat]

Energy that transfers itself between a system and its surroundings. Heat is measured in joules.

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2016 Chevy Trax

I took my Trax in because the heater was blowing cold air. Not overheating, just no heat. After waiting over two hours for the diagnostic, they told me I needed a new water pump. Is that possible? ...
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Why would a coolant reservoir be full to the top when the engine is cold?

I’ve got a 2004 Honda Civic DX that has been acting up lately. It started with the inside of the car started blowing cold air when driving at low speeds or in park, and I thought it was maybe the ...
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Diesel intake heater DIY

I am the owner of an older 3.0 liter diesel car and winter mornings are quite painful for both me and the car. Even though thermostat is fine, heating takes forever. I know diesel only heats up while ...
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1answer
337 views

2004 Accord No Heat

My son has a 2004 Honda Accord EX 2.4L. The interior heat stopped working and he can't defrost his windows in the morning. Here are the things I've done to fix the problem: Replaced the thermostat ...
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1answer
2k 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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26 views

Fixitnow its cold …please

Just put heater core in and no heat .water pump was replaced not long ago and it's sucking the top radiator hose together . How do you berp the air out
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1answer
31 views

Thermally shielding a cable

I recently bought and installed a GPS device on my FZ8 motorcycle that included a mounting-power supply kit along with it, as shown here https://www8.garmin.com/manuals/webhelp/zumo396/EN-US/GUID-...
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2answers
292 views

Burning Smell from a/c vents and heat gauge drop at highway speeds

I have a 2003 Mitsubishi Galant with a 4g63 SOHC 2.0l engine. I have noticed that when at highway speeds the heat gauge drops almost close to C indicator and if I accelerate hard I get a burning smell ...
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2001 Ford Expedition Eddie Bauer only blows cold and hot air

I have a 2001 Ford Expedition Eddie Bauer that o ly blows cold air at 60 and hot at 65 and up. It is almost like the car always thinks it is 61-64 inside.
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312 views

The gas pedal stops responding after a problem with car heat

So the other day I noticed the car was getting hot and I knew it the coolant needed to be refilled. But the coolant cap was stuck so I thought I would just finish my errands and then take it to the ...
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2answers
704 views

Heat from rear passenger wheel

I've got a 2013 Hyundai Veloster, non turbo model and I've noticed even after 10 to 15 minute rides, the rear passenger rim gives off too much heat to even touch for a second. All the other wheel rims ...
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2k views

Brake fluid heat

When reading the excellent answer to the question Is failing to change brake fluid a life safety issue? I started to think about the physics of brake fluid heating up. The brake lines are fairly long ...
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1answer
117 views

Is it bad to immediately crank the air conditioning all the way up when you start your car on a really hot day?

There have been times in the summer when my car is in my driveway all day in 100-degree weather, and combined with the sun, it must be 140+ degrees in my car. Can it damage or shorten the life of my ...
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1answer
28 views

I have heat 20% of the time

my car is a 1995 Jeep grand cherokee 5.2L, I have heat less than 20% of the time changed water pump and thermostac last october.,both heater core hoses are very hot the upper radiator hose is hot and ...
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1k views

2006 Chevy Equinox doesn't have heat

Replaced the door that is in the dash and the thermostat. Still doesn't have heat. Very frustrated, this car hauls my grandkids around and the money invested is over $2000. We don't think the mechanic ...
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2answers
2k views

Skoda Octavia Mk III - No air is blowing into cabin [closed]

I have a 2014 Skoda Octavia III estate. My problem is that the heating apparatus is not blowing air into the cabin. Since i filled antifreeze 2-3 months ago it hasn't drunk a single drop of it, is ...
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2answers
323 views

Is this plug fouled due to being too cold?

When changing the plugs on my 99 Nissan Almera 1.6L I noticed that the tips of all the plugs looked a bit weird with these white deposits ( all four look like this ): Upon closer inspection, I ...
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2answers
4k views

Rear right drum brake is heating more than rear left drum brake

I've bought a new car (Tata Tiago) in India earlier this year, One day I observed some sound from car and checked that rear right brake drum was heated way more than rear left brake drum. I got it ...
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1answer
1k views

The heater fan not coming on in my hyundai accent. Car has no A/C option

No air coming out when I turn the heater on. Turn the fan switch on but no air coming out.
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2answers
100 views

Can a water pump slowly fail?

Do water pumps generally fail all of a sudden, or can they slowly stop working effectively? My 99 Subaru Legacy recently started overheating on long-ish trips (> 25 min or so). I already replaced ...
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3answers
147 views

Is hot desert weather the source of my recurring car problem?

I have a 2004 ford ranger with a short history of problems...the engine is v6 3.0L OHV. 1) It died 2 summers ago, stopped right in the road, around noon in the middle of July. I live in Tucson so it ...
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1answer
923 views

Is repair of stone chips on heated windshield possible?

Most windshields that get a stone chip are repaired, not replaced. I, however, have a heated windshield on my 2016 Toyota RAV4, and I got a stone chip on it recently. The heating is implemented by ...
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2answers
2k views

Will my exhaust pipe melt nearby plastic or PVC?

I am converting a van into a tiny home and want to mount my greywater tank in the undercarriage behind the rear axle. I'm worried about radiant heat from the exhaust pipe melting a plastic water tank ...
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1k views

My upper radiator hose is never pressurized but car never over heats…?

I'm stumped, it doesn't effect the car and no overheating or mechanical issues. Lower one is pressurized but not the top? 06 Impala police package. Do the police versions have bigger radiators and ...
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1answer
357 views

2011 Equinox Heat only on high RPM

My 2011 Equinox 71000 miles on it...- The heater blows hot air only when the RPM is high - as in highway or accelerating. It blows cool air at stop lights or idling. It's winter here lol - Any ideas? ...
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3answers
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Why does my 2006 Chevy Equinox have no heat when all repairs for the heat has been made?

I have: replaced the thermostat about 10 times, back flushed heater core and flushed cooling system out about 10 times, replaced water pump, intake gasket, blend door, mode door, actuators, HVAC ...
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2answers
2k views

How long to let a NA car cool down after hard driving?

If you drive a naturally aspirated car hard for a good 10 minutes (red line every few minutes), is it bad to turn the car off straight away? Should you drive calm for a while, or let it idle for some ...
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heat indicator light goes off and ac switches off after some time

I have Hyundai EON. Wwhen I start the car, the heat indicator works fine, but after 20-30 kms, the AC suddenly switches off and the heat indicator light also goes off. What would be the reason? We ...
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1answer
283 views

1991 Chevrolet Astro - Vents, AC, Heat Not Working

I have a 1991 Chevy Astro. Regardless of what setting (AC, Vent, Defrost, High/Low, etc) I use, I do not appear to be getting any air through any of the vents. I would guess the problem would be ...
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0answers
250 views

Pulsating brakes and vibrating car after pad replacement (that later went away), should I continue driving?

I have changed brakes at local auto garage. On first drive around the town and local road brakes heated up to almost red smoke was coming and I was worried that tires will get on fire, you could hear ...
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4answers
4k views

What can I do to combat wire embrittlement?

I live in a very hot climate where temperatures regularly touch 45 deg C and the heat in the engine bay area means that under-hood wires, especially the thinner ones, endure high levels of thermal ...
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1answer
1k views

2003 Mazda Tribute Airbag Warning Light

I've got a 2003 Mazda Tribute that has the airbag warning light come on most days now (the frequency has been slowly increasing over several months). The light now comes on almost every time I drive ...
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1answer
5k views

Brakes Smoking After Driving

I realized I had no brake pads. I was grinding metal on metal so I changed the rotors and put new brake pads on but still when I drive it for a little ways you can see black powder on the rims from ...
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2answers
2k views

Is PTFE (Teflon) tape safe to use on brake bleeder valves?

There is a thread on the chemical composition of PTFE tape (Teflon tape) here: Master cylinder leak but my question is, will PTFE tape stand up to the heat generated by front disc brakes? Or, will ...
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1answer
42 views

08 Saturn Aura needs help

If I sit in my car with it idling the heat goes cold, but if I press the gas or drive off it heats back up. Can anyone help pinpoint this problem? Also, with engine running I can clearly hear fluid of ...
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1answer
419 views

Thermocouple vs Thermostat

Why don't modern engines use a thermocouple (electronic temperature sensor) instead of a (wax element) thermostat?
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1answer
2k views

Blows cold until the car is moving

2009 Equinox Sport. The car is warm but, the air blows cold until the car is moving. I am assuming the thermostat is stuck until the flow is increased but, would like to verify or troubleshoot better. ...
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0answers
1k views

2011 Ford Fusion Heater Issue

The battery went dead 2 days ago. After a jump start I began my drive to work. I initially noticed heat and then heard a sound as if my blower motor turned up to 11 (it was already at max at this ...
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2answers
815 views

Does Ford's heated windscreen/windshield normally drain excessive current?

When getting my battery tested for an issue in this post, the mechanic noted that when my Ford's "quickclear" windscreen heating element was activated and the engine running, the voltage coming from ...
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1answer
1k views

Motionless car with tire spinning on ice causes burning rubber smell?

I live in New England, where "Winter Wonderland" often involves large amounts of ice on the road. A number of times I've had to help someone get their car out of a parking spot where their drive ...
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1answer
957 views

Is pre-heating a modern engine worth it?

I have a 2011 Toyota Yaris and live in climate where -5C temperatures are common and -20C are not unheard of. The car has an electric engine pre-heater installed. I don't know exactly what is the type ...
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1answer
324 views

I get a blast of hot air during stop start driving. What could cause this?

I am a learner driver with a Hyundai i20. Every now and then when I stop and then go and switch to second gear I get a blast of heat at my legs and feet. The aircon is off and its a diesel. I am ...
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1answer
110 views

Wet conditions cause heat to come on full blast

Our 2006 Honda Odyssey minivan has a weird behavior with the climate control. When it is very wet, the heat only comes out at full blast when turned on, regardless of what the temperature is set to....
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1answer
6k views

Car just started blowing cold air

I have a 2010 ford fusion. After letting the car heat up, I went to the store and the heat was working fine. I get back home while parking I noticed the car was blowing cold air. I cut it off and then ...
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0answers
30 views

96 Volkswagon climate control wont work [closed]

We were driving down the road and all the sudden a puff of smoke came from ignition area, and the climate control stopped working. It has no power at all. I have checked relays, checked fuses, even ...
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3answers
722 views

2001 Saab 9-5 turbo wagon - worth fixing?

I have an 01 Saab turbo wagon automatic with approximately 120,000 miles on it. Has some heater issues that make for a miserable ride in the winter. Needs the heatbox replaced according to a mechanic, ...
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1answer
1k views

Audi A4 B5 (1995) climate control/heater/blower problem

The climate control was nuts all the time since I bought the car few years ago. I have the air conditioning liquid filled. The mechanics said, the pipes are all in good shape, but something is wrong, ...
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2answers
11k views

Help with heat issue with pontiac vibe (toyota matrix)

I have a 2006 Pontiac Vibe. Same engine as the Toyota Matrix. The heat blows fine but isn't warm enough. I checked the antifreeze and the level is fine and there are no leaks. The hose into the ...
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2answers
223 views

1997 ford f150 lariat

We have a 1997 ford f150. My husband replaced the thermostat, but it still reads cold and doesn't put out any heat. Any suggestions? We are in Ohio, it's December, and it's freeeezzzing - need heat! ...
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2answers
21k views

2007 Ford Ranger no heat

My 2007 Ford Ranger has no heat when I turn it on, but the COLD A/C works beautifully? All of the sudden the heat stopped working. It doesn't get humid or tepid at all, just no heat. What can I look ...