22 people found this helpful. All the other hoses are warm like they are supposed to be. A car heater system is essential during the winter or early in the morning when you need to heat your car for that comfortable ambience to work. The heater not working in some cases may be related to the overheating problem you are also having. Automotive Forums .com Car Chat > Pontiac > Grand Prix > 2008 GP heater only blows lukewarm air . My heater will not blow any heat, just cold air. As of 12/28 I am blowing barely lukewarm air to all vents on all speeds. The fix: Nothing. Once the fuse was replaced, I was able to pump gas no problems. Took me a while to figure it out. If the fuse is good, replace the blower motor. Share this conversation. Mauricio. Category: UK Nissan. Billski. My 1994 Ford Taurus (156k miles) had been working great until recently when the AC & heat started blowing lukewarm/cold and the temperature gauge started leaning more to HOT than usual. What’s wrong? It wont blow out warm air. Any ideas to what might be causing this, if so what parts will need to be replaced/repaired? Heater / defroster is blowing lukewarm air only. I would constantly get an air bag light turn on in the vehicle. My in car heater only blows out luke warm air and then cold air. Heater blowing lukewarm air on lower settings. If it’s where it’s supposed to be, proceed to step 2. It seems to work just a little better if the fan is on half. 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. The heater will not blow hot air. Submitted: 10 years ago. Yes. The temperature at full operation holds steady at 200 so the engine is maintaining a perfect temp. This blog post will give you a good idea of what might be causing the problem with your car heater. 2008 GP heater only blows lukewarm air. Livinrawguy. What els … read more. Thanks Gas burns fine with typical noise, chimney pipe EXTREMELY HOT, but supply duct almost cold right after furnace. Alec. - 2000 Honda Accord. Or check the heat/air knob it may be stripped and not turning it all the way. Heater is blowing lukewarm air? Honda Car and Truck; Cars & Trucks; All Recent ; Join; Sign In; Ask a Question × Home; Forum; Cars & Trucks; Honda; Accord; 2000 Honda Accord; SOLVED: Heater is... Share on Facebook; Share on Twitter; Share on Google+; Share on Pinterest; Share by Email × Question about 2000 Honda Accord. What are the causes of a car heater blowing cold air? In this section, we identify the main causes of a heating system blowing cold air and what you can do about it. gio6500. The way the car was telling me that there is a problem is whenever I tried to put fuel in it, the pump would cut out. Checked fuses, charged the low pressure side of A/C unit. Do you. 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. Nissan Mechanic: Bill, Technician replied 10 years ago. Car heater not working [closed] Ask Question Asked 7 years ago. Coolant Isn't Enough. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. The blend door is working as it should be. With the car COLD.. check the coolant reservoir. 6. Vocational, Technical or Trade Scho. The air blowing out of my car heater isn’t hot. Any ideas? Won't blow hot or cold. Discussion. 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. As long as the thermostat is reaching the temperature you set it at, it’s working fine. Thank you. Closed. It works fine otherwise, but since day one I noticed that it blows longer than old one use to work, and always blows lukewarm air. 1 decade ago. Engine temp in normal range, thermostat operating normally, heater hoses both feel … Problems with the engine’s thermostat . There’s a problem with your filter. Major 5 Reasons That Are The Reason Behind Your Car Heater Blowing Cold Air 1. The heater blowing cold normally means there is air in the system due to the coolant level dropping possibly due to a leak. Category: UK Nissan. Thursday 7th … My coolant level is fine, I have checked for leaks and there are no drips, and I just replaced my air filter. What could be broken here? Show More. This is normal for heat pumps. A heat pump blowing mild air—on the cool side in the winter and on the lukewarm side in the summer— doesn’t always mean something is seriously wrong with your system. As it all some how goes into chimney and only … Excess Water Stored in The Heater Box ; The odorless, white steam or smoke coming out of your air conditioner is probably excess water stored in the heater box. Heat worked fine 12/19-27th. 0 0. But the driver side is blowing out hot air. 31 posts. SPONSORED LINKS. A cold winter day is no time to find out your car heater isn’t working. Blowing lukewarm air with A/C and heat. No. 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 dashboard or on the passenger-side floorboard. Blower comes on/off as directed and blows hard. Luckily, unlike many systems on the modern motor car, heating systems are more or less built around the same design as they were 20 years ago - which is ultimately a basic one. The coolant level is correct. It's no fun getting into your car on a frosty winter's morning only to find the car heater not blowing hot air. Show Less. The cooling system will need bleeding of air. Is the core clogged or is there something wrong with the thermostat housing maybe? Why does the heater of a car blow lukewarm air instead of hot air even though the engine is already hot enough? If you’ve turned on your home’s heat and found the air coming out of your home heating vents is lukewarm at best, you’re probably pretty frustrated. I have PAID out so much MONEY on this truck, i could have bought me another car or truck. If there is air, just no heat, replace the heater core. The heater does not blow air because it emits infrared rays that have heat molecules within them, thus releasing heat, not blowing it. Some common causes are quick and easy to resolve. Post subject: Heater blowing lukewarm Posted: Wed Nov 21, 2012 7:43 pm Wed Nov 21, 2012 7:43 pm Mark helpful. Unfortunately, there can be many answers to the question, “Why is my furnace blowing lukewarm air?” Here are some of the most common explanations. If there is no air at all blowing, then check the fuse for the heating. First step is diagnosing the root cause of the lack of heat.. Here’s some easy stuff for you to check. Are there vacuum lines to check? Viewed 12k times 1. November 29, 2017 at 5:37 PM. 2008 GP with standard basic HVAC system (not auto temp, not dual) suddenly started blowing only lukewarm air when heat set to full. Answered in 8 minutes by: 11/29/2009. While there is a wide range of causes for a heating engine to go bad, knowing that the system is blowing cold air shortens the list of expected causes. What else could be causing it to not blow hot air? I replaced the heater core and it didn't make any difference. Audi A4 blowing only lukewarm air via climate control . There could a few reasons… The most likely is that the heater core is partially blocked so the water circulates very slowly. Obviously, I am a kid just learning this stuff, but I would love a mini-lesson, if possible. I have ho clue where the hot air disappears. The loud hoover noise is the radiator cooling fan cutting in because it senses the engine is too hot. Home Blog What to do if your car heater is blowing cold air. ... Now it only gives out lukewarm heat on the drivers side only, and cold air flow on the passengers same w/defrost. What is the best way to diagmose this type of problem? hyundai heater. It has a new thermostat but i figured at least the hose going to the heater core should be warm? 126 months. Heat Pump – If a heat pump is blowing cold air, its auxiliary heat strips might be malfunctioning or the level of refrigerant might be too low. 2 … Blows lukewarm air on the lower two settings and cold air on the higher two settings. I can't seem to get any real heat however. My climate system is blowing warm air in vent mode when it's cool outside. 921 satisfied customers. I topped up the coolant to ensure that wasn't the issue, but still no luck. I have noticed no leakage from the heater core into the floorboard. Any help would be greatly appreciated. Do you. It's almost as unpleasant to have a heater that's not giving out enough heat. 11-14-2012, 02:14 AM. Reply Reply Author. What to do if your car heater is blowing cold air. Read on for an idea of how to resolve the issue. A/C pump clutch is not kicking on/off. Ask Your Own UK Nissan Question . share | improve this question | follow | edited Dec 13 '13 at 3:07. Heat pumps typically produce air that is about 90-100°F, whereas furnaces can produce air as high as 120-125°F. DJHUBBA MEMBER; 2001 DODGE RAM; 5.9L; V8; 4WD; AUTOMATIC; 130,000 MILES; Flushed system, replaced heater core, new thermostat. Your car utilizes coolant generally of 50% water & 50% antifreeze composition to cool your engine off, particularly during the summer season. There are any number of reasons cold air or no air is coming through the vents. I have a '99 Silverado, and the heater has begun to only blow lukewarm air. Original Poster. Call a professional for inspection and repairs. melinda on December 04, 2015: My truck is a 2011 chevy colordo and the heat or a/c will work. Posted on: January 24, 2017 by: Scott Geller. Check this out as soon as possible as driving the car with low coolant can cause serious engine overheating and damage. Tuesday, May 5th, 2020 AT 6:48 AM. Others require help from an experienced HVAC professional. The fan works but it's not blowing any hot air, only cold air. your thermostat might be stuck open and its not letting the water in your car heat up enough to blow out hot air. Satisfied Customers: 3,307. Bill, Technician. Lv 7. 1999 Ford Mustang: only cold air..thermostat..every once. 1. When - Chevrolet 2004 Impala question E90 blowing cold air Hi all- My e90 is otherwise mechanically well sorted, with the exception that I just found that it won't blow hot (or even mildly warm) air from the heater. 1 Answer . Commonly, it is a sign of a restricted drain hole that needs cleaning. The steam or vapor collected during the process of condensation could have made its way out when the air hit it. Active 3 years, 2 months ago. Can a computer diagnostic tell me if I go to an auto parts store that provides the service free ? If the heating system is too small, it won’t warm your house efficiently. Is the Air Truly Cold? I let the car warm up and the 2 heater core hoses are both cold. have the same problem? My brand new Goodman furnace blowing lukewarm air. SPONSORED LINKS. J.FISHBAUGH MEMBER; 2003 FORD EXPEDITION; 5.4L; V8; 2WD; AUTOMATIC; 118,000 MILES ; I have the SUV listed above Eddie Bauer edition. 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