Check the heater core or the bend door. If you suspect that something is amiss with your car’s heater core, watch for these signs: Fog inside of your car. Other signs of a faulty heater core include a sweet-smelling scent in your car, windows that become particularly fogged-up, and puddles under the … This is the reason that it takes a while for heaters to start blowing warm air. Edited by danrock101, 12 July 2011 - 08:41 PM. Click here for Brother repair information. (Add your answer here. A car heating system blowing cold air can be due to a faulty thermostat, low coolant fluid level, malfunctioning heater core, a leaking cooling system, or problems with heating controls and blend door. Heater Core Issue. Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it. To mend any household, kitchen, or other electrical appliance start here. Ensure you have read our Small i didn't think anyone would! I stopped by a mechanic and he checked my AC motor and said from the engine area the AC is blowing cold air but the issue is the air getting into the car cabin and … Heater cores are typically situated directly in the back of dashboards. ... mend, fix, or repair just about anything. You will get only hot air … I have the vent setting on cold, the heater off, and yet it still blows HOT HOT air. But all you have to work with are the symptoms. The more detail and information you provide in your question the easier it is for others to help you. Print page before using information supplied via this website. -----Car heater blowing warm, but not hot air? even when i turn the temperature to the coolest setting, the air remains very hot. It's a valve on the top left of the head next to the rocker cover with a pipe sticking out of it. And the most common reason for the heater only blowing hot air from one side is a faulty actuator. No, if you pull one of the pipes off the side, is air coming out of that? ), (Enter your name as you wish it to be displayed.). my Ford ka's heater is only blowing very hot air out. With the car COLD.. check the coolant reservoir. be_ixf;ym_202012 d_27; ct_50 I have the setting on 80 degrees both on passenger and driver side, but regardless it takes literally 50 mins to blow enough somewhat warm air to get the car comfortable in the winter. Thanks! I have a 2002 Ford Taurus that I bought used to get my husband to and from cancer treatment so 140 miles 2 times a week.the car runs like a dream except for the heater .The car warms up and you get sort of warm air but if you put the fan higher it starts blowing colder all this time it stays in the middle between hot and … Other users of howtomendit.com provide the answers. When it gets jammed, the heater will be blowing cold air. sounds like the heater valve on the engine bulkhead has failed in the fully open position about £30 and 1hr to fit, Thanks so much for the life saving tip.FrankieNov 2020. A car’s cabin will heat up as the engine’s coolant heats up. If this doesn’t solve the problem, then having an auto electrician identify the electrical issue can help. heater only blows hot air when i'm driving fast...when i idle or stop frequently....it blows cold.. - Oldsmobile 2002 Silhouette question Heater blows hot air from drivers side only. Start the engine with cap still open and let the engine idle for a few minutes. First step is diagnosing the root cause of the lack of heat.. Here’s some easy stuff for you to check. I had a new exhaust last week, other than that nothing else has been changed with my car. check the relay and heater fuses 1st. If you're having problems with your heat or air conditioning not blowing in the car, troubleshoot your blower fan at home. I always wondered what that knob was for, didnt realise they could even blow cold air aha. If anyone has any advice on what do do I would be … Here is what to do. If your vehicle is lacking the proper amount of coolant, that hot air isn’t going to make it inside your car. Hot air coming from your car AC vents can mean that you have low levels of refrigerant. All I have to do to get hot air again is give it a little gas, say 200 more rpms, and the heater immediately responds with warmer air, hot air if I maintain 1000 rpms. Try to include as much detail as possible. hence no hot air in the cabin. It can also be due to a problem in the condenser, the compressor, the cooling fan, or the electrical system of your car. It will still work with no fan, and you'll usually still be able to control the temperature of the air that is blowing … My heater has just stopped working in my car, only blows cold air, needless to say warm is needed for the frosty weather, especially condensation inside the windscreen which has frozen over. thank you nigel, that was very helpful. Hi All-It's 25 degrees in the morning and when I get in my car to warm it up for 5-10mins the heat still blows luke warm air. Mend - car, only, blowing, hot, air. please reply asap. Baking element not heating but grill element works fine? 3 Answers Heaters dont work on my mk3 golf cabrio. Luckily, unlike many systems on the modern motor car, heating systems are more or less built around the same design as they were 20 … Check engine light came on. The radiator, thermostat, belts, water pump and hoses are responsible for circulating water to the engine to keep it from overheating. heater controls i have changed several in center of dash Dec 02, 2009 | 2004 Chevrolet Impala. You currently have javascript disabled. repairs can be dangerous. why is my car only blowing hot air? It's almost as unpleasant to have a heater that's not giving out enough heat. Several functions may not work. In basic car heaters, the water heated by the engine normally flows continuously through the heater matrix. It's no fun getting into your car on a frosty winter's morning only to find the car heater not blowing hot air. my dad has taken it to the ford garage today to get it looked at so will compare diagnosis with him tonight! A stuck bend door means the air does not get into the core to turn hot. Problems with the vehicle’s heating system can be either no air or only cold air coming out of the heating system. Driving an ice-cold car on a frigid morning is no fun and a heater blowing cold air is not only annoying it's a safety hazard. Thank you for replying. If it’s where it’s supposed to be, proceed to step 2. Older and cheaper cars use a heater control valve, with a big wire cable opperating it from the dial inside, quite possible the cable has slipped or snapped, not sure if a KA is … While you may be getting hot coolant/antifreeze into the heater core, the heater fan, the part that actually blows the heat into the cabin, can break or suffer an electrical short. 1. The air is then heated by the coolant and then, in turn, warms up the interior of the vehicle. the ventilators were very hot and when i turned them around to close them, they were very hot. i tried to use the air conditioning but the same thing happened, only hot air. It doesn’t matter the setting (low-med-high) or whether I have set to defrost or floor or both. You are correct in your thinking because there is only one heater core. Here are just a few things that could mean: 1) Dead … I have read related information on here and think that if the heater works great at other times, I do not have a blender door issue, clogged heater core, or low coolant level. If there’s no heat in the car or your car heater is not blowing hot air, there are a few things you might want to check. Faulty heater cores and low or contaminated coolant levels often come hand in hand, and both issues may lead to your engine overheating and your heater not blowing hot air. professional. To see if this is the issue, add some more coolant under the hood. what do you think about this comment? car heater does not work, blowing cold air. Heating, Convector HeatersHeating, Home Heating SystemsHeating, Oil Filled Radiators Full list. This is not recommended for shared computers, Back to Problems, Questions and Technical. Brother 950 knitting machine turned off and smelt of smoke? Page 1 of 2 - Heater Only Blowing Hot Air - posted in Problems, Questions and Technical: Model: MayfairYear: B plate 1984Description of problem (please be as in depth as possible):Ok, in short my heater only seems to be blowing hot air into the car.Here's the situation - when the heater is switched to ON and the heater push / pull is fully depressed.....Switched to 'Car': really hot air … The internal cabin temperature is controlled by shutters/flaps that divert air either over the heater matix (hot… ... My car heater only works on one side and on driver side blows cold air on passager only blows warm not hot. I am going to finally bring the car in tomorrow to have it assessed by a mechanic. Hello chaps drove from Oxford to Nottingham yesterday, i had heat blowing out fine on the way up there, but on my way back home the damn heater is now blowing cold air only and ZERO Heat at all, even when its turnt up to HI on the controls, still cold air! If the coolant level should drop as the thermostat opens, top it up as necessary. Ok folks, seem to have got it settled now, just one more question.....My two dashboard air vents that blow out when turned clockwise, the driver side one is really strong as expected but the passenger side one is hardly blowing anything out - any notorious fail points for that to happen? In order for the aforementioned coolant to get to the place it needs to be and warm your car, your heater core needs to be working properly. If your car is not blowing warm air into the cabin and the coolant level is fine, then you could have an issue with your heater core. It will happen even if the heater core is functioning. Sounds like the hot/cold valve on the head is stuck open, try moving it by hand or take it off and free it up. Correct me if im wrong but a thermostat always springs back to closed when it fails, unless there is a new kind. the guys at the ford garage said that the air conditioning needs re-gassing. Like high setting of heater hot. Heating, Fan Heaters (838 other questions), Related questions - car, only, blowing, hot, air, There is more help available. I have tried the AC but again it doesn't work. So if one side is hot, then the heater core is fine. This should bleed off the air bubble. Please re-enable javascript to access full functionality. When you turn on the heater cold air comes out even after car is hot and the thremostat rises. why not blowing hot air? May not be heater cont valve, i only get hot air in my vaxhaul vectra, then for a couple of months it was fine, i was getting cold air but now its back to just warm air. 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