Golf IV / Jetta IV :: When Run Defrost With Heat On / Antifreeze Smell
Nov 6, 2014
I have a 1999.5 Jetta 2.0 question:
When I run my defrost with the heat on, I smell antifreeze pretty strongly. I am also having trouble keeping the windshield defogger/defrosted without the heat constantly blowing on it. Signs point to heater core, right? So I tried a bottle of Bars Leaks aluminum radiator stop leak with the metal flakes in it. When I run the heat on the feet or front/face/torso setting, it does not smell like antifreeze (unless it's when it very first starts and it's so slight that I don't notice). When I run the defrost with the heat on, it smells pretty strongly of antifreeze. I see no antifreeze on the passenger side carpet.
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My car had the smell of antifreeze coming from the vents, but it goes away when I use the "recirculating" button. Do u think it's the heater core? I hope not though. Also how much is the coolant suppose to be filled up too? Mine filled up a lot more then half the reservoir.
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Car leaks anitfreeze once again. The first time my hose exploded and my temperature light came on. Car was towed and my fans stopped working. Got that fixed. When this happened my car was on park. I turned on my fans and the fluid was leaking from the cap of the container. The whole anti freeze was everywhere. I am guessing something messed up in the engine so idk what to do anymore. I filled the anti freeze container with water and drove home with no problems. I don't know whats wrong with the car I am at the point where i just want to get rid of it. Car is a 99 vw golf gls 2.0 140k ....
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OK, my '01 GTI VR6 has been giving me overheating problems - I've had to replace the crack pipe, and I've been having problems with the plastic fittings (coolant lines around throttle, heater core) all breaking. Turns out the electric fans were bad, I replaced them yesterday. I did check them, neither one was coming on with the AC on, and with 12V jumpered directly to them, still no go, so it wasn't the fan controller.
I was looking forward driving my car without overheating, but that doesn't seem to be in the cards. Looks like the fans weren't the only thing wrong. The sympton I see is that the coolant overflows the coolant overflow tank, but the temp gauge, while it comes up to temp (190 degrees) it doesn't go beyond that - but I'm having coolant boiling out of the overflow tank?!
I really don't want to say out loud - but maybe a bad head gasket? I've heard there's something that's like litmus paper you can use to see if exhaust gasses are blowing into your coolant - where can I get it?
What may be wrong? Almost anything would be better than a bad head gasket! While I've been having these problems, I've not seen the temp gauge ever go beyond the center 190 degrees, what's happened is that while driving the low coolant warning will come on, I pull over, and coolant is bubbling and overflowing the tank.
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99 Jetta VR6... 190k
So the heat doesn't really work on my car- and its getting cold outside.
I read the DIY on fixing the resistor pack, but there is a lot of hooptiness to my ride, (not sure if that's the issue).
All the fan control speeds work, but the most I ever get is vaguely warm air- it never gets fully hot.
The temperature gauge does not work most of the time- it does occasionally (but randomly) work as expected.
The defrost doesn't work either due to an issue with the AC (it keeps blowing the fuse for the AC compressor- like, right away)
There's a multitude of issues happening here I know, but need to narrow down the suspects for the heat, that would be very useful.
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02 Camry with 202k. Recently my car has been blowing cold air only when it's on heat. Then it will start to overheat causing me to stop and pull over and I see little smoke come out. Also it has been leaking antifreeze and when I make sharp turns or come to a stop I can hear water or something behind the dash...
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Seems below 20 my car cannot defrost the windows or heat the cabin. It has been 0-10 the last couple days here in SE WI. The coolant temp gauge is straight up right in the middle. Some how coolant isn't flowing through the heater core. Could this be a design failure? It doesn't seem to matter what settings are on dash. I have tried with ac on and off, recirculation on and off, full defrost on, fan on all speeds, have also tried a combination of cracked windows open.
Are other people experiencing this as well? Is a call to the dealer in order?
For ref car is 2014 tdi se with 34,000miles.
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2003 f150 lariat FX4 5.4L ... The heater only blows on defrost, Which vacuum line controls this? is it the black one that runs through the fire wall? What else can I check to narrow the problem down? this truck has the push button/digital controls.
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My windows seem to fog up a lot and there is a hint of an antifreeze smell. It happens almost every time I switch off recycled air. Also, the AC when it first comes on has the same antifreeze like smell. I can run the AC or defrost and the windows clear up and the smell goes away but this doesn't seem normal.
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When I turn on my AC. I am getting almost a wet dog smell. Could that be from? Didnt seem to smell like antifreeze. This is new to me....
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Can sometimes smell antifreeze while driving but have not found any leaks and fluid is full?
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The heating system on my 99 3.4. I'm not getting hot air when selected to full hot or defrost, The air is warm but not hot. I do have water flow through the heater core, I have not changed the thermostat yet. Could it be the dashboard control panel, When I place the blower fan to full on, the fan goes off??
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I have a 2001 Montana. Recently I have no heat/air movement via the defrost vent. All other setting work along with fan. Plenty of heat when set on floor or dash vent. Just doesn't work with the defrost setting in either alone or with the floor.
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I have a 03 explorer and when on defrost if I turn the temp to hot it changes from defrost to heat, also if i lower the temp setting a little it goes back to defrost,this has manual heater control and I replace the control head and did not solve this issue.
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I have noticed a smell of antifreeze in the cab of my 1998 Ford F-150 truck. 8 cylinder 4.6 litre triton engine. Some friends say the heater core has a leak. The windshield fogs up when running the defroster. How difficult is it to replace the heater core?
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We were driving home yesterday and all of the sudden the car started to over heat and we could smell antifreeze. We turned the ac off and put more water in it. Today we just had to make a short trip somewhere (we were planning on having it looked at first thing Monday morning). The temperature gauge never showed it overheating but as we pulled into our driveway we heard a knocking sound and it just shut off. Iit may just be a leak and it caused the car to over heat??
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I know if you smell antifreeze when you turn on the heater that is a bad thing. I don't have this issue, but when I walk into the garage after my wife turns off the van I get a whiff of what smells like antifreeze. There isn't a leak that I can find and nothing on the floor the garage out the normal.
2006 Dodge Grand Caravan 80K miles
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I can smell antifreeze under the hood, so I took it to be pressure tested. They found no leaks, but I can still smell it. When I add it to the reservoir, it goes down. What can I do ?
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I'm headed north in a couple days to the frigid regions of the country and I little worried cause my blower fan is now completely non-functioning (no heat, no defrost ). It came on a couple times since I bought it recently, usually after hitting a bump and stayed on for a while, but now it hasn't come on at all in a while. I checked all the fuses, they all looked good.
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The door in the dash wont go to defrost. It just quit today. I assume its vacuum controlled. What do i need to do to fix it? I thought about pulling the dash vent where i can reach in there n have a look but it doesnt want to come out. 1992 Toyota Camry....
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Every thing was working great then the AC quit. I ran through the air selector and all I can get is panel and defrost with no heat. I checked the vacuum line on the passenger side engine compartment and it looks good. Oh I also took the control apart and 3 of the five holes had vacuum to them.
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