The heater blew hot after that. Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting dial but there is still no air at all to feet and defrost. 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It's easy! For information on your Audi A1. Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc. I had a similar issue on my 01 A4. WHY MY CAR HEATER DOES NOT BLOW HOT WARM AIR. No fan noise what so ever. When the thermostat was changed, I presume it was for a new one and that the water pump impellers are OK? Can you check the temperature difference (by feel) of the top and bottom pipes on the radiators? I gather from speaking to mechanic friends that bottom pipe should be hot also, but it's not! Air conditioning doesnt blow either. Yes the car gets up to temperature fine. Also tried different temperatures (26 degrees, 27, 28, HI etc) it is always the same from every vent including the window mist vents and the normal vents aimed towards your body. The garage looked at it and said that the heater motor has gone for sure. AUDI HVAC issues Explained - Passender or Driver side stuck blowing HOT or A/C COLD One of the most common parts related to AC issues is the compressor. More likely though to be a flap motor not moving and closing off the cool air to allow the hot air into the cabin. Heater working but only blows out front vents. I have a 2006 Audi A3 2.0T. So I went out and purchased a climate control unit from Euro Parts and fitted it myself. I had hot air ONLY on the passenger side as the control arm for the passenger side has snapped off have a look at the below pictures you'll see what I mean. Hi, I have a 2008 1.6 S Line A3, and the heater stopped working. Does the car get up to temperature at all? So the first thing to check is the heater/blower control flaps and the motors. We found that freon was in … read more I turned up the climate controlled temperature and it would not switch off a/c, I … The car has only been blowing cold air, regardless of the heat setting I have and with it getting colder and colder now I really need to get my heat sorted. The logical part of me thinks there's an underlying problem that caused the EGR to go, then the head gasket, then the EGR again... and I'm worried if I drive it, the head gasket will go again and then the EGR etc... With all those issues, it sounds like the top of the engine is getting very hot. Initially the heater would suddenly blow cold after driving for about an hour. Cabin filter replaced too (at the time when I was trying to figure out why heater not blowing hot) (check) I did camshaft upgrade , but didn't touch coolant at all) As avout clogged heater core I don't know yet, did get that far, as well as not sure if anyone added leak stop to the system. They flushed the heater matrix twice and replaced a flap motor. I recently took to a personal mechanic. It's an 2004 Audi A3. While there are a variety of reasons your Audi A6 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater … A4 (B7 Platform) Discussion - A4 B7 Heater not working - 2006 Audi a4 B7 A/C not blowing hot air although the temp gauge works fine. If cool air continues to blow out, the first thing you should check is your coolant level. I gather from speaking to mechanic friends that bottom pipe should be hot also, but it's not! Jmholdsworth - I'm presuming you mean there is no hot air coming from the air vents in the car? I have a 2015 A3 Quattro Cabriolet Prestige Package and I love it! Initially the heater would suddenly blow cold after driving for about an hour. Heater not working. Hit econ and it switches the 12v off, so from this i am thinking that all is well with the gas and pressure. Or could this have caused BOTH EGR's to fault and the head gasket to go? Unfortunately for about 2 weeks now my car hasn't been blowing out any warm or hot air, I've tried it with AC on and without and it is the same thing. 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. Unfortunately for about 2 weeks now my car hasn't been blowing out any warm or hot air, I've tried it with AC on and without and it is the same thing. 1999 audi a3: tdi..heater controll..air con motor kicks..hot air. It’s stopped going completely cold but the max temperature from the blowers … That was done by a VW garage (cheaper than Audi). It’s stopped going completely cold but the max temperature from the blowers was 43 degrees C and VW agreed it should be more like 73. Now we've coolant flushing around the pipes / cooling system but still the problem exists. In the middle of all this, I've never had hot air coming through so replaced the water pump and tharmastat to see if it would help. My heater is blowing just fine, but the heat will not get hot for a long time and when it finally dose get hot, it get really hot. I have a 2005 Audi A4 1.8 T Sport Convertible and the heater will not blow hot unless the engine is over 2000 RPM. All controls are functioning as normal. The car isn't overheating or underheating, it reaches operating temperature in the same amount of time as before. I'm a little wiery about driving it. After a fairly long drive with the heaters off, we slowly opened the coolant lid, the fluid was extremely hot and bubbling over and took a while to actually open the lid without being scalded, but again, heathers are no better. The surrounding air then also cools, and in turn keeps you from melting. Any ideas to w … read more. I have a 2004 Audi A8L. It comes hot for a minute then gets much cooler, sometime cold sometimes just cooler. The TDI has an electric heater in it that heats air until the engine heat is sufficient to take over. Disfunctional heater on 1997 audi a4 2.8l . The AC is blowing mostly luke warm or hot air, but will occasionally blow cold air. The engine temp reaches almost half of the mark ( needle is one line before the middle) and the temperature stays there all the time. Anyone else had this issue? I've not notice before, so it may be normal, but when my interior fan blowers are on 'auto' the vents in the centre console do not blow. This is on the 2010 Audi A3, posting here because of way more traffic of course. How do I test this? Heater blowing cold not hot - matrix cleanse and air flaps foam refurb guide. no hot air! When the air con comes on, does the air con fan in the engine bay come on? Hello! Or even in the hot summer, where it seems like your vents have small volcanoes in them. If I set the blowing direction manually the centre vents blow just fine, but nothing comes out of them when set to auto. Thread starter dae06; Start date Feb 4, 2012; dae06 Veteran Member. Audi A3 / S3 / RS 3 MKII - 2015 A3 Heater Blowing Cold Air - Hello, I just joined the forum. Please please please, can someone help. no hot air! This has happened a couple times now, with heater on, all of a sudden it starts blowing cold air for a while then returning to hot? Hot air coming out of your Audi’s air conditioner can be attributed to several potential issues: Wearing compressor. 2003 TDI 1.9 Bosio 520 Sold 2011 TDI 2.0 sportswagon Buy Back VW 2013 Audi Q7 Prestige 20" Apr 10, 2014 #1 2011 TDI JSW 6m 129,000 miles Does anybody have any idea why my AC is cold on the right side of car (2vents) but the drivers side vents blow warm. Direct both sides to blow hot Air, 28oF, (not Hi setting) into the footwells, If drivers side is cold and passengers side hot then I would put my bottom dollar on its the same fault. despite having it turned up to HIGH? I'm a little wiery about driving it. Reply Reply Author. Thank you so much Cruiser647 for replying! Audi 2001 Audi TT roadster: My Audi TT roadster has no heat. Started with EGR cooler going. !This is not a sponsored video. If your car heater blows cold air instead of hot air it might stuck vent or plugged up heater core. Car starts first time, every time, no issues. I even tried turning off the A/C button and it still blows Luke warm. My heater is blowing just fine, but the heat will not get hot for a long time and when it finally dose get hot, it get really hot. It really is a bother when the temperature drops and you turn your heater on, only for it to spew out the cold winter breeze. I can feel cool air if I put my hand to the vents, and it almost seems they are … HEATER BLOW COLDIn this video we will explain the reasons why your car heater might blow cold air. The air blowing inside the cabin of my A4 is not hot, it does blow some hot air but not enough to warm someone. ), so the temperature actuators generally fail first. It should be under lots of pressure, so any potential blockages should get moved along? Owner & Student. Coolant level is OK. One place tested the ho … read more. Hot air despite the Auto AC set to low? In June, the air-conditioning on my then eight-month-old A3 stopped working. No heat to feet or defrost. Also the heat was only luke warm. I have a 2016 Audi A3, the two vents located in the center of the dash, have quit blowing. WHY MY CAR HEATER DOES NOT BLOW HOT WARM AIR. Like the temp is... Like the temp is... heat is not getting hot enough, fast - 2006 Audi A3 Sorry I don't know where this is. Community Software by Invision Power Services, Inc. No heat from heaters - please someone help me. 126 months. Information given in this video does not guarantee the desired outcome. I flushed the heater matrix and got a load of rusty gunk coming through. Audi A3 / S3 / RS 3 MKII - 2015 A3 Heater Blowing Cold Air - Hello, I just joined the forum. Thursday 7th … Here's what I've done: Checked coolant level - there's plenty. The MK2 would only blow luke warm air when hot selected. IIRC it only heats air in the drivers side, so if the heater core is not functioning and letting hot water through, it would prevent it from providing the normal heat and the cold incoming air would be blown out all vent that are upstream of the electric heater. Like the temp is... heat is not getting hot enough, fast - 2006 Audi A3 Hello i have Audi A4 1.8T Year 1996.i have a problem with the display's of the a/c sometimes shows numbers sometimes dont work all day,also i have the problem with air comining the enterier.it blows air only to the windshield.can somebody help me to solve this problem.thanks This is a common issue with the Audi B6, B7 and maybe B8 (not sure on the B8).So the first thing to check is the heater/blower control flaps and the motors. In a dual zone system, you wind up with a blows cold one side, hot on other side condition. I have a new condenser just installed due to a leak in the badly road abused condenser. The compressor is responsible for processing the refrigerant in a way that cools the entire cabin by making the air blowing through the vents cold. Or the heater controls may be stuck or broken. I have a used 2003 Audi. My AC has not been blowing cold air. According to my local mechanic, the AC compressor is fine, and the freon level is fine. Jmholdsworth - I'm presuming you mean there is no hot air coming from the air vents in the car? Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting dial but there is still no air at all to feet and defrost. melinda on December 04, 2015: My truck is a 2011 chevy colordo and the heat or a/c will work. Climatronic blows hot air only to drivers side. If I put my 'logical' head on, the first issue was the EGR cooler going, that was replaced, then 3-4 weeks later the Head Gasket went - that was replaced, then 1-2 weeks later again the EGR cooler went so was replaced again. Coolant level is OK. Started by They flushed the heater matrix twice and replaced a flap motor. 3,214 satisfied customers. If the system fails to be properly pressurized, such as if there is a leak present, the air will not be able t… It has been leaking a bit of coolant for about a year but topping it … Discussion in 'Mk2' started by geneticmaterial, Mar 6, 2013. class a. I just purchased the car in February and it … Heater not working Mon Feb 25, 2013 9:27 am Hi guys, got my brand new A1 last week, everything has been perfect up until this morning when I could not get any hot air out of the climate control, the temp setting is wound right the way around to the hottest setting but all I'm getting is cool (slightly above ambient) air. The HVAC system on your car is operated through the climate control interface on your center console. This is a common issue with the Audi B6, B7 and maybe B8 (not sure on the B8). High School or GED. Also tried different temperatures (26 degrees, 27, 28, HI etc) it is always the same from every vent including the window mist vents and the normal vents aimed towards your body. This was replaced. It still blows air, and it will blow warm air for maybe five seconds when you first turn it on, but then it blows cold air after that. Jmholdsworth, September 28, 2013. If you notice that your thermostat gauge stays on the “C” even after the engine has time to heat up, you may have a broken thermostat. Original Poster. Even though most problems with the car heater are not caused by the heater itself but by the cooling system or the thermostat, it is still possible the heater itself may be clogged or broken. Not great when the temp is reading -12 on the clocks!! My car is over heating and heater blowing cold air changed thermostat not leaking any fluids no fog or wet floor it only over heated once then i parked it could this still cause sirious damage. HEATER BLOW COLDIn this video we will explain the reasons why your car heater might blow cold air. If I set the blowing direction manually the centre vents blow just fine, but nothing comes out of them when set to auto. It's an 2004 Audi A3. It has been leaking a bit of coolant for about a year but topping it … The top pipe is hot, but the bottom pipe going into the Radiator is either luke warm or cold. the coolant bottom temperature? Mon Feb 25, 2013 9:27 am . If the thermostat can’t signal to the car that the engine is warm, the coolant won’t be sent over to provide heat to your heater core and the air will stay cool. Kevin. Do you think it will damage the engine if I continue to drive the car? Sometimes it does if I have the temp on 60 or blows warm air. workshop foreman /master tech/mot tester. 20 year experience diagnostic technician. The coolant has been flushed and had a vacuum pump / machine run through. The weird thing is the right side of the center dash air vent blows warm air only and the passenger side air vent but not the driver side. So when the engine is idling you only get cold air out of the heaters. Not great when the temp is reading -12 on the clocks!! Joined: Mar 9, 2007 Likes Received: 3 Location: Skipton. I would wait for the engine to get hot, then open the coolant cap (VERY carefully!!!). Heater working but only blows out front vents. The coolant has been flushed and had a vacuum pump / machine run through. Now I have an unexpected problem in a too new of a car. It can feel cool for the first few minutes because the engine has to warm up in order for the coolant to heat up and provide heat to your interior. Also the heat was only luke warm. During the winter when you crank up your heat, the coolant is brought over from the engine to the heater core that then blows warm air into your car. I ju … read more. Tags: blower; cold; heater; hot; matrix ; Page 1 of 3 1 2 3 Next > geneticmaterial Forum Member. I had it diagnosed at two places. Everything is purchased by us!The video is meant for entertainment purposes only. The Air con fan in the engine bay. Just noticed that my Audi (53 plate A4) has developed a heating problem. ase_master327. camerontech. Joined Oct 27, 2009 Location Rushford, Minnesota TDI Jetta 2005.5 1.9 Feb 4, 2012 #1 Last night driving home with my wife, I was getting hot so I turned my side down to 60 F. Her side was at 70 F, but my side didn't cool down. Sign up for a new account in our community. My mechanic has been saying it's a blockage all along, but he said the coolant flush should resolve this. 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