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4
votes
0answers
42 views

2006 VW Jetta Diesel won't warm up

A couple of years ago the VW (2006 Jetta) quit warming up. No heat, no defrost, temperature gauge reads cold! I changed thermostat and tested both 'stats at the same time. Both opened right at 195 ...
2
votes
2answers
27 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 ...
3
votes
0answers
32 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 ...
4
votes
1answer
12 views

Inspecting and reparing third generation (1996-2000) Dodge Caravan heater mode door

How can I inspect or repair the Dodge Caravan heater "mode door"? How much must be removed beyond the glove box? The mode door directs air to defrost or the heater vents, and it is controlled by an ...
5
votes
0answers
36 views

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 ...
6
votes
3answers
41 views

Heat blowing hot but only on low

I have a 2000 DODGE Ram 1500 v8. My heat only work while its blowing low and when I switch speeds it starts to get cold. I almost checked everything that could be check other than the wires.
-1
votes
1answer
38 views

Heater blows cold at idle 2007 town / country

I have a 2007 town / country that blows cold air when at idle.
5
votes
0answers
511 views

What causes more gas consumption - Idling with AC or Heat? [duplicate]

So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
1
vote
0answers
22 views

Heater only Blowing cold air

I have a 1997 F150 4.2L engine. The engine warms to normal operating temp. Blower motor is fine. No matter what the AC/Heater control switch is turned to I only get cold air. Im thinking the switch ...
4
votes
1answer
35 views

2004 V8 LT Chevy Suburban No Heat at Idle

I have a 2004 Chevy Suburban that had no heat in the front or rear at idle. I found this mechanics stack exchange article, discovered I was low on coolant and now I have heat in the front when idle ...
5
votes
2answers
79 views

2006 Jeep Commander - heat problems

My heater blows cold air at idle. and warms when driving. my temperature gauge goes up when the air is blowing. What could it be?
2
votes
1answer
111 views

Vauxhall Corsa heating problems

I have a Vauxhall Corsa 1.3 CDTI EcoFlex and initially when I bought it the heater resistor we thought was broken as the blower fans would only work on dial 4, we replaced it and it worked for about a ...
4
votes
3answers
359 views

1996 Rav4 not warming up properly when driving and heat not hot

I have a weird problem. I recently changed the radiator and flushed the whole coolant system during replacing the radiator. I also flushed the heating core by itself. The thermostat was recently ...
0
votes
1answer
78 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. ...
3
votes
1answer
199 views

How often to start/drive a vehicle to keep it healthy?

In order to keep a gasoline-powered vehicle healthy, how often does it need to be started or driven? Please specify if it actually needs to be driven, or if just starting it and letting it run is ...
3
votes
1answer
46 views

Will I damage my heated rear windscreen if I leave it on?

My 2003 Opel Agila 1.2 does has an old mechanism where you pull out one of the heater controls and the heated rear window comes on, and it does not automatically turn off (by design) Will I damage ...
2
votes
4answers
760 views

BMW e46 cabin air vent smells [duplicate]

The cabin vents smell like mold and mildew. It's worse during humid days. I'm pretty sure the AC has something to do with it (since it smells bad when I turn the AC off and keep the fans blowing) but ...
2
votes
1answer
219 views

1997 Ford Expedition Intermittent Hot/Cold Air

I have a 1997 Ford Expedition with a seemingly random Hot/Cold air swapping issue. In the winter, when I turned on the heat, it would randomly alternate between blowing freezing cold air from outside, ...
4
votes
1answer
44 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 ...
1
vote
1answer
93 views

How long should I wait to turn on my rear defroster during the winter time?

Every time I turn on my rear defroster it makes an annoying noise. Even when the mode is on the foot well and front defroster. Not really sure if warming up or something with my heater is the problem. ...
2
votes
1answer
233 views

Little heat at idle great heat when reving engine

I have new radiator put in due to leak, 96 Dodge Ram Van 1500. I have little to no heat, changed t-stat, flushed heater core, burped system on incline. Heat is slightly better. When I rev the engine ...
4
votes
1answer
880 views

2011 Chevrolet Equinox: Heater blows cold air when set to defrost mode

For some reason, the heater on our 2011 Chevrolet Equinox 2LT (I4 engine) blows cold air when set to defrost mode regardless of the temperature setting. However, the heater works in any other mode. ...
3
votes
0answers
90 views

Pacifica heater core hose reconnect

I have 2005 Chrysler Pacifica touring edition. A mechanic connected the two hoses together that should be connected to the heater core, because we had a water leak and he thought it would fix it. Well ...
1
vote
3answers
358 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, ...
1
vote
2answers
1k views

Can you drive a 1999 Dodge Ram 1500 when the heater core is bad?

I am thinking of purchasing an older Dodge Ram; the listing on craigslist says that the vehicle is in good condition but the heater core is busted. I'm willing to go without heat/AC till I get around ...
1
vote
3answers
6k 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? ...
4
votes
1answer
5k views

When I set the air flow to Defrost, it turns on the A/C?

On a 2001 Honda Civic. Having the temp dial to HOT. When I turn the air flow dial from FRONT to Defrost (windshield), it turns on the A/C button and the A/C motor kicks in also. It just started doing ...
2
votes
1answer
40 views

1996 gmc 3500 cube vanheater problems

1996 gmc 3500 cube van when heater fan is on and in cold position it blowes very hard but when you turn it to full heat it hardly blows at all?? what do I need to clean or fix
3
votes
1answer
293 views

My 2003 Impala blows some heat and then cold

My car heater started acting up. It would heat, then no heat. So I put a new thermostat in, had the heater core flushed, and new coolant added. The other day after this, it got so hot it shut down. I ...
5
votes
2answers
312 views

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 ...
4
votes
1answer
51 views

'00 Mercury Sable Heater Only Working at ~20% Power

I've had issue with the heater in my Mercury Sable for a number of years. Over that time span I've worked on it several times, with a range of results. History ~5 years ago, I had a garage look ...
1
vote
3answers
2k views

Car heater not working

My Hyundai Verna/Accent heater is not working. The fan works but it's not blowing any hot air, only cold air. Any ideas to what might be causing this, if so what parts will need to be ...
-1
votes
1answer
775 views

2007 Chevrolet Impala over Heating [closed]

I changed the radiator and thermostat completely filled it with coolant and it is over heat.
2
votes
2answers
706 views

2004 x3 BMW heater blows cold air when stopped or idling

Heater only works when moving blows cold air when stopped or idling
6
votes
2answers
23k 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 ...
5
votes
1answer
2k views

Dodge Ram blower motor works intermittently

I have a 2006 Dodge Ram 2500 (5.9 L Cummins diesel). I’d replaced blower motor about 3 weeks ago and all was well until it started working intermittently. Resistor looked burnt and cracked so I’d also ...
0
votes
1answer
1k views

Where is the block heater on 99 Ford Taurus?

Where can I find the block heater to plugin in the hood. My car is a Ford Taurus 1999. edit: Does it even have one?
7
votes
2answers
39k views

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 ...
4
votes
6answers
41k views

Impala no heat at Idle

I have 2006 impala that randomly will blow cold air at idle. Sometimes if I stop at redlight the heater will blow cold air. If I get the engine above idle by reving the engine to about 1K rpm it ...
4
votes
2answers
761 views

Heater not getting very hot

I have a 1999 Dodge Dakota. Early in the spring I had to have my heater core replaced. Now it is starting to get cold outside. When I run my heater it is getting luke warm at best. Before the ...
7
votes
2answers
257 views

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 ...
4
votes
1answer
759 views

Heater: High temperature only on high speed

I'm driving an Opel Corsa-C. Some weeks ago the heater stopped working properly. When I turn it on now, I get warm air for less than a minute. After that it's getting cold again. When I'm driving ...
4
votes
2answers
1k views

01 sentra running hot

I have an 01 nissan sentra which had been running hot. If i start the car in the morning and turn temp control to hot and fan on and let the car warm up, i will have no heat and the car runs hot. Just ...
5
votes
2answers
2k views

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 ...
5
votes
1answer
1k views

Where'd my heat go?

My air vents blow out air. That's it. They do it well, too. Two weeks ago, when I turned it to high heat, the air was HOT. But now it's just air. The AC doesn't work either, but I know where that ...
2
votes
1answer
179 views

2001 Plymouth Neon-Smell coming from vents when on

Whenever I have the heat or ac on in my car it smells fine until I stop. If my car is not moving and the heat or ac is on it smells something like exhaust. Sometimes it is stronger than other times. ...
13
votes
5answers
22k 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 ...
3
votes
1answer
467 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.) ...
4
votes
1answer
3k views

Car Heater Stopped Working…Kind of

Last night I was driving home and noticed that the heater wasn't blowing any hot air. I turned it up and nothing happened. I turned the fan-speed dial off, then turned it back on and hot air started ...
2
votes
1answer
450 views

Lower radiator hose heater. Is it worth it?

As winter and cold temperature are coming soon, I was looking at getting a block heater and I came across a thread talking about installing a lower radiator hose heater. Does anyone have one ...