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