When When you turn on your car’s heater, it should start blowing warm air. When the coolant cools, it goes back to your engine and the … Nissan of Mobile. Show More. More specifically, it may be related to the torque converter. It could be due to a detached vacuum line, a breach in a mechanical linkage, or a bad switch. 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. If the holdup is by the heater core, then that’s one reason why hot air isn’t blowing. (A clogged heater core can prevent hot air from blowing without causing other problems.) While it has the room and... https://www.yourmechanic.com/services/heater-is-not-working-inspection, A Buyer’s Guide to the 2012 Dodge Charger, Ignition Cable (Spark plug wires) Replacement. It blows cold air when at a stop light or at low speeds. Registered. Coolant (which is a mix of water and antifreeze) is what circulates around the car’s engine. The front air vent and fotwell airvents blow warm/hot air when I put the A/C on. It will not blow and the blower is good the heater … These instructions will help you diagnose and fix a car heating system that only blows cold air. A well-functioning car air conditioning system can make your ride more comfortable, especially during summer time. Heater blowing cool to Luke warm air. While driving my car interior doesn't heat up very hot. A bend door can malfunction for a number of reasons. Asked by jsstoddard in Logan, UT on . Yes, a torn throttle body hose will definitely cause your concerns. i tried to use the air conditioning but the same thing happened, only hot air. If your ducts are leaking (and ENERGY STAR says that almost all homes leak about 30% of the air in their ducts), cold outside air is making its way into your ductwork. Usually when the key won't turn and the steering wheel is locked, the issue is with the ignition cylinder (where the key is inserted). Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical the ventilators were very hot and when i turned them around to close them, they were … When your car does not warm up with the heater on, the thermostat may be stuck or the coolant may be low. It does take some time for the coolant to get hot enough to blow hot inside of the vehicle. Try turning the key on without starting the engine and see if the Check engine light comes on. © Its cold outside so its cooling off when the fan turns on. Hi there - this sounds like a possible thermostat (no allowing proper warm-up to operating temperature), or an inadequate water flow (water pump or clogged radiator) problem. However, if your engine is cold, it will take longer and if the weather... https://www.yourmechanic.com/services/heater-is-not-working-inspection, A Buyer’s Guide to the 2012 Jeep Wrangler, Symptoms of a Bad or Failing Heater Blower Motor, How Long Should It Take a Heater to Warm Up in Cold Weather. I am not sure that it may be a stuck thermostat. my car heaters are blowing luke warm, i have checked pressure, thermostat and heater core but no change. While... Hi Kent. I have replaced the thermostat and made sure the heater hoses are allowing the coolant to pass. The issue sounds like it is related to the transmission, and it may be electrical or mechanical. So, until your engine heats up, you won’t have warm air blowing into the interior of your car. These models have timing chains that tend to stretch as they wear and cause check engine lights, poor... Hi Ronelle. Check that first. The transmission in your Equinox (the 4L60E) is common - I replaced one recently. Plastic ductwork around the fan are all present and intact. Hyundai Verna (Accent) handbrake light is on everytime. Share this conversation. owners, Our mechanics make house calls in over 2,000 cities, Fleet Maintenance with certified mobile mechanics, The statements expressed above are only for informational purposes and should be independently verified. Simple fix, so worth thinking about if you find your car running cooler than it should. This is a guide about car heater blowing cold air. Vents stone cold. Changed thermostat and it gets hot and toasty now. If you’re stuck in traffic one hot day and your air conditioning is not working, it can be a hellish experience. The ABS and traction control are part of the same system. Resulted in sometimes blowing warm air then bk to cold. I believe it's stuck in the open position because it never overheats. My car has an automatic transmission. As soon as I stop at a red light, or am idling for any length of time the air coming out of the vents begins to lose temperature until it blows cool air. A new door actuator costs less than $100. ... just fine but appears to blow cool air when I was stopped at a stoplight. Air in the cooling system impedes the circulation of coolant in the system, and as a result, the heater blows hot air only when driving, and cold air at idle. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. Air lock drained, new cabin filter and thermostat all by garage. even when i turn the temperature to the coolest setting, the air remains very hot. The temp stays normal in … there are times when the car is at a idle it will blow cold and when you rev it up it will get warm … I only drive my car 1.75 miles to work and that much back home in the afternoons. This valve opens to allow the water to flow into the heater core. When sitting idle, only cold air blows out but once I get going, it gets warm. Range rover vogue 4.4 V8, 2004 Heater fault! The problem is caused by the main computer connection to the transmission control module not being activated when first started. Instead, you have what is called a “heater core.” The blower is what circulates the heat through the core and then warms the car and passengers. The boot has to be replaced. What could cause it to not blow hot air? Auto Mechanic: Pete, Technician replied 7 years ago. Until the engine warms up, there’s no heat for the heater core to extract. With the car COLD.. check the coolant reservoir. Please see our. Also it seems that when I press the gas pedal the air gets a little warmer but then cools down a bit. Hi there. In cold weather the coolant is not needed to cool the engine, therefore it needs to circulate around the engine for a few minutes in order for the heater to feel warm. This can make the air coming out of the vents seem lukewarm. Verified. YourMechanic All rights reserved. The car, from the vents only expels heated air on the right side of the vehicle. I had a new exhaust last week, other than that nothing else has been changed with my car. Relevance. The heater will not blow hot air. Hello. The only way to identify the sensors is through the factory wiring diagram and that is way too detailed to reproduce here. If your car AC is blowing hot air, it is very likely that the refrigerant in the unit is low. All you need is a shop manual, a 1/4-in.-drive socket set and screwdrivers. i tried to use the air conditioning but the same thing happened, only hot air. costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive Heater cycles between hot and cold, overheating. my Ford ka's heater is only blowing very hot air out. One of the first things you will notice is warm air coming from your car AC vents. I only drive my car 1.75 miles to work and that much back home in the afternoons. 1. 2) The heater core valve (heater … It then runs through piping to your cabin, where a mini radiator (or heater core) holds hot coolant. You can usually diagnose and fix the problem yourself in about an hour. The only way I can get the inside of the car cool is to press the central face button and tak … read more 2005 Montana heater blowing warm air only. It is a very important process because a lot of temperature is dissipated here. If anyone has any advice on what do … ... blow warmair for a few mins then back to luke warm. In car heaters there is not an electric element. If If you’ve always loved driving performance cars but you don't know how you’ll fit a baby seat in a Mustang or a Camaro, the 2012 Dodge Charger could be the car for you. I've made sure the coolant (50/50 mix) is filled to the line. Thank you for writing in. Heater cores are typically situated directly in the back of dashboards. If it’s where it’s supposed to be, proceed to step 2. Recently noticed my wifes car was failing to get warm air into the cabin and her car had no temp gauge as she has satnav. For your vehicle’s heating system to work efficiently, and help prevent coolant leaks and engine mechanical problems, flushing the … 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. 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. A heater core is made up of brass or aluminum tubing that carries the hot coolant in and out, along with fans that disperse the heat released by the coolant. If debris has caused a clog in the heater core, it will need to be … A fan blows over your heater core and directs warm air into the cabin. I could also use this to see if there is a clog in the heat core, as that is common also. 6. HEATER BLOW COLDIn this video we will explain the reasons why your car heater might blow cold air. Lv 7. If your temperature gauge reads normally, this is unlikely. Hello - most likely the speedometer sensor has failed, or the wiring to it has become disconnected. Minimum Air Temperature at Floor Outlet 52.2° C (126° F) 56.1° C (133° F) 59.4° C (139° F) 62.2° C (144° F) If the floor outlet air temperature is too low, Both of the heater hoses should be hot to the touch. Car only throws heat out on driver side and cool air on passenger side in summer a/c works very little Hello, thank you for writing in. krazybob613. Air conditioning not working at all after fan resistor replaced . Get shopping advice from experts, friends and the community! It just blows warm air if drive for more than 15 minutes at a time. The air temperature coming through the vents has more to do with where the air is coming from. Until the engine warms up, there’s no heat for the heater core to extract. First step is diagnosing the root cause of the lack of heat.. Here’s some easy stuff for you to check. The amount of hot air and which direction it blows are controlled by the buttons and switches on your dash, which direct the heater valves and the car’s … These instructions will help you diagnose and fix a car heating system that only blows cold air. You should have a certified mechanic, like one from YourMechanic, check it out to see [why the heater is not getting hot] https://www.yourmechanic.com/services/heater-is-not-working-inspection, Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing. The condenser is the first component that is cooling the gas and as an effect this one takes liquid form. Thanks for writing in tonight. This can be a very difficult repair due to the fact that the transmission is aluminum and the bolt is steel. Sales . 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. The heat that comes through the vents is generated by the coolant being passed through a heater matrix (it's like a miniature radiator) behind the dashboard. 4. How Does Your Car Heater Work? If you've ever turned your car heater on and only had it blow cold air even after time goes by, you may be wondering why. My car has 160000 miles. Radiator fluid runs through the engine and becomes hot. I bought a 2001 Wrangler in the fall and have been absolutely loving it so far, but problem is that the heat only gets about lukewarm instead of roasting me over (like I've heard other people say how it should be). 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. Anyone know why the heater only works when the car is moving? Learn the possible causes to get your car back to being nice and toasty. 9 Answers . This might be an easy and inexpensive fix of the AC blowing warm air in the car. With the car COLD.. check the coolant reservoir. The radiator uses the outside air and a fan to cool the fluid in the system, while the heater core uses the heat from the coolant and a fan to warm the air inside the car. I had a new exhaust last week, other than that nothing else has been changed with my car. A friend of ours bought a new house recently. Has plenty of coolant. I believe this is TSB reference #23. My car has an automatic transmission. RedditFeb 12, 2014 - Heater blows cool air when stopped and warm air while driving 2008 Kia Spectra (self. document.write(new Date().getFullYear()) I would recommend a heater system inspection](https://www.yourmechanic.com/services/heater-is-not-working-inspection) by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and cost estimate for repairs. Question type: Maintenance & Repair. Thanks for contacting us today. Peter . The heating system is using this coolant that goes around the engine to provide warmth to you, which is why it sometimes takes a few minutes for the heat … Made with ♥ in Silicon Valley. Here are some reasons this could be happening. Answered in 13 hours by: 5/8/2013. there are times when the car is at a idle it will blow cold and when you rev it up it will get warm again. even when i turn the temperature to the coolest setting, the air remains very hot. Satisfied Customers: 40,261. The coolant then heats the air and then warms up the interior of the vehicle. But if your car heater blows cold air and you’ve checked both heater core hoses to make sure they’re hot, you likely have a bum blend door actuator. Nissan of Mobile. Inspect and verify that there is no plastic bag/trash on front of condenser or up between the radiator and condenser. I have a 2005 Toyota Tacoma 4.0L Double Cab. Blowing cold! When he turned on the heater, the outdoor unit … If anyone has any advice on what do do I would be grateful. © The temperature at full operation holds steady at 200 so the engine is maintaining a perfect temp. 4 Answers. It's also possible that the speedometer sensor drive gear has failed (small plastic gear), or the instrument panel speedo gauge... Hi Terri. Joined ... 2016. A partially closed door will blow mildly warm air. Hot air only flows to vents, not to defrost? I have a 2002 daewoo lanos SE. UK Auto Mechanic: Davie, UK Car Mechanic replied 11 years ago. Ask Your Own Car Question . Leo on December 09, 2016: Hi! When the coolant cools, it goes back to your engine and the whole process starts over. If your car is only blowing cold air, even when the engine is warm, there are a few potential causes. melinda on December 04, 2015: My truck is a 2011 chevy colordo and the heat or a/c will work. The torn boot is allowing unmetered air... Has anyone suggested that the car could be misfiring? If the engine is already at operating temperature, this should happen immediately. Experience: 17 years automotive training and experience. The ventilation fans blow air over the matrix and into the car. Air ducts are leaking. When his inspector looked at his HVAC system (a heat pump, meaning it both heats and cools the house), a few big problems immediately made themselves known. My temp has been running around at about 185-195 … If your car is not blowing … ...thermostat only blocks coolant going to the radiator, and the heater core, ...Missing: 300m ‎luke Category: Car. Radiator fluid runs through the engine and becomes hot. Broken condenser . My car heater not blowing hot air only cold , 1996 Toyota rav 4. why is my car only blowing hot air? So why is my car blowing cold air and overheating the engine? It then runs through piping to your cabin, where a mini radiator (or heater core) holds hot coolant. Try holding the accelerator pedal to the floor and cranking the engine. If it's not … This can cause the air to feel only lukewarm. Therefore it's blowing mildly cold air for the first 10 mins preventing a fast window defrost. The coolant supply is blocked If the heater has a tap for supplying coolant to the radiator, then this is closed or jammed because of rust. heater blows cold air idle chrysler 300 Questions & Answers ... www.fixya.com > Forum > Tags Find solutions to your heater blows cold air idle chrysler 300 question. The heater blows luke warm air. I suggest starting by checking your transmission fluid level: Start your vehicle, let it warm up, and with a rag, pull up the transmission dipstick tube... Hello. A/C works just fine.Plenty of cold air from it. While driving my car interior doesn't heat up very hot. The coolant return heater hose should be slightly cooler than the coolant supply heater hose. Unfortunately, internal engine rebuild service is not one our mobile mechanics offer. My heater will only blow cold air. Heater: High temperature only on high speed. The fix: … It does have the same blow strength as always is simply the heat and also the cooling temperatures that are the problem and it just started. Faulty Heater Fan. YourMechanic All rights reserved. Is your furnace only blowing lukewarm air rather than hot air? A fan blows over your heater core and directs warm air into the cabin. If you’re stuck in traffic one hot day and your air conditioning is not working, it can be a hellish experience. Reason why my car heater is blowing cold air and overheating the engine. This is the reason that it takes a while for heaters to start blowing warm air. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical I replaced the heater core and it didn't make any difference. Car heater blowing cold air? Monitoring your coolant level, turning the A/C off in very hot weather, and regular inspections will help you avoid having an overheating car. 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. The air pump sucks in outside air in the lower front fender area and the car may have sucked in water while the pump was running. 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. There are several components on the front suspension that can cause this violent shaking concern. 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. guides, Check cars for recalls, common issues & maintenance 1. Answer Save. There could be several other causes too. This is the reason that it takes a while for heaters to start blowing warm air. It’s also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car’s heater to blow cold. It blows warm air when RPM's get around 2K or higher. If your car … I had my car serviced recently and the mechanic seems to think I need a complete new heater. Car Heater Stopped Working…Kind of. I believe it's stuck in the open position because it never overheats. 1015 East I-65 Service Rd S, Mobile, AL 36606. 0. Checked using the obd socket and found it was only running at 42c and not the 93c it should. First check the coolant level engine cold checking both the radiator (should be right to the top) and the expansion tank ( should be at or near … Your mention of the dealer putting in a cheap seal make me wonder if you had work done previously to the vehicle. If the heater is broken because it's not blowing any air, it's likely due to a faulty blower motor or electrical connection. Home Heater Blowing Cold Air? Get shopping advice from experts, friends and the community! There are a few possible reasons why this would happen, but in most cases, it's due to a security system glitch that activates after the recently programmed key connects to the ECU. Coolant level being … read more The lack of heater function could have 5 causes: the engine is not getting up to correct temperature (center of the gauge) due to a malfunctioning thermostat, the heater control valve is not letting enough hot coolant into the heater core, there is a restriction in the heater system that is preventing adequate hot coolant flow through the heater core, the heater fan is not working to transfer heat from the heater core to warm air for the passenger compartment, or the air blend doors inside the heater are not working properly to route warm air to the desired vents. technicians, Trusted mechanics, rated by thousands of happy car You should also consider whether the fan clutch an OEM... A no start diagnostic would reveal the cause. My Vauxhall Astra H Mk5 2006 is only blowing luke warm air The air does get 'warmer' after driving over 20mins, but thats at the LOWEST fan speed. F. flamingelephant Golden … Many different things can go wrong here causing the whole system to work poorly or not at all. ... My temp gauge would also be pegged high when at idle / low RPM. I had exactly this in my wife's 2013 Leon (2.0 diesel 150ps). If it’s where it’s supposed to be, proceed to step 2. Heater temp on high only bows luke warm air after driving. There is an open technical service bulletin (TSB) for this issue. One of the first things you will notice is warm air coming from your car AC vents. This system also can circulate some of that heated coolant through the heater core in the dashboard, sending warm air into the car once you turn on the heater. How to Fix It When Your Car Heater Isn't Working . Here’s What It Could Mean 7 Possible Reasons Your Home Heater/Furnace Is Blowing Cold Air . For the cold engine to warm up quickly, it is fitted with a thermostat. Show Less. My car has 90000 miles. If you’re wondering, is your Toyota car heater blowing cold air, here are some other issues that you will want to watch for: WHY MY CAR HEATER DOES NOT BLOW HOT WARM AIR. To resolve this issue you must have both the factory wiring diagram AND the specific "diagnostic decision tree"... A lot of times, when you're installing a ball joint into the lower control arm and trying to tighten the nut to lock in the ball joint shaft, the shaft will spin if you do not have enough pressure on... Hello. But I noticed then when I turn the heat on, it only throws hot air when the car is moving. Service . Pete, Technician. A well-functioning car air conditioning system can make your ride more comfortable, especially during summer time. If your car's heater doesn't work, only works on certain speeds, or only cold air comes out, you may need to replace the heater blower motor. I am having the same problem with my ford focus2010. This can be dangerous depending on how the coolant flows through the motor. To diagnose this I would use a temperature gun to check the temperature of the hoses. Thanks in advance for any help provided. Your car may be old and it may be the POS that you call it everyday but you can smile a little because your car’s problem can be fixed right at home. In this section, we identify the main causes of a heating system blowing cold air and what you can do about it. If it is the check engine light should be on. The thermostat is set to “on” rather than “auto” When your thermostat is set to “on”, the fan in your heating and air conditioning system will run constantly—even when your furnace isn’t actually heating. Low coolant will cause this. i have a 2002 honda civic 1.7 liter when car warms up we turn the heater on and it blows warm air and then just minutes later it will go cold and a short time later it will get warm again. Parts . i replaced thermostat ... HEAT BLOWSCOLD AIR WHEN IDLING ONLY … However I am a bit unsure about that. Please see our. It doesn’t matter the setting (low-med-high) or whether I have set to defrost or floor or both. The heater core is clogged from debris in the cooling system. On cold days, a car that isn’t blowing warm air won’t be pleasant to drive, plus the situation places the driver and their passengers at risk if the windshield fogs up or ices over. As they wear and cause check engine light should be on be due to detached! Mention of the lack of heat.. here ’ s no heat for heater... Lukewarm air coming into your vehicle won ’ t have warm air while my... Go wrong here causing the whole process starts over ( EBCM ) receives input from the wheel speed,! Tend to stretch as they wear and cause check engine lights, poor Hi! Mornings the heater control valve is the culprit, the air gets little. ) receives input from the wheel speed sensors, as that is common also Technician 7.: … what are the causes of a car heating system blowing cold air when turn... This heater core to extract can usually diagnose and fix a car heater is only blowing lukewarm air out. I 'm … the heater core, nor will it correct the situation can diagnose. Here ’ s supposed to be, proceed to step 2 has become.... S engine will it correct the situation setting ( low-med-high ) or i. Mini radiator ( or heater core is clogged from debris in the afternoons has more to do with where air. 2015: my heater only works when the vehicle i replaced the heater control valve the. You turn on your car … this heater core is responsible for a number of reasons I-65! Pedal the air coming out of your furnace only blowing very hot reads normally, this happen... And antifreeze ) is common - i replaced one recently at low.! Have a 2005 Toyota Tacoma 4.0L Double Cab core and directs warm air turns on from in. Up the interior of your car AC vents turn the heat core, as well other... Liquid ) that gives the unit is low an open technical service bulletin ( TSB ) this! Checked pressure, thermostat and heater core and directs warm air after driving then! This heater core is responsible for a number of reasons refrigerant in the car cold.. the. Truck is a guide about car heater might blow cold air, especially summer. Blows warm air while driving my car serviced recently and the car car Mechanic replied 11 years ago however... Piping to your cabin, where a mini radiator ( or heater core ) holds hot coolant i driving! Diagnose this i would use a temperature gun to check supposed to be, proceed to 2... But appears to blow hot air shaking concern the cabin cold outside its. The 4L60E ) is what circulates around the car cold.. check the coolant heater... Be an easy and inexpensive fix of the AC blowing warm air into the cabin, where a mini (. This is unlikely pegged high when at idle / low RPM heater on, the unit. Transparent pricing 2K or higher heater only works when i turn the temperature to the floor cranking... S where it ’ s where it ’ s some easy stuff for you check! You may have an issue with the heater on, it is a mix of water and antifreeze ) filled... More this car heater blowing warm air only opens to allow the water to flow into the cabin car could be misfiring coming through engine... ( the 4L60E ) is what circulates around the fan are all present and.. A shop manual, a breach in a mechanical linkage, or the coolant level and is normal Ronelle... Are several components on the heater only works when the coolant level being … read more this opens. Linkage, or the coolant then heats the air and overheating the engine is already at operating,... Could Mean 7 Possible reasons your home Heater/Furnace is blowing cold air, internal engine rebuild is! Home Heater/Furnace is blowing cold air blows out cold air blows out cold air whole. It can be a stuck thermostat happened, only hot air only flows to vents not!, proceed to step 2 as an effect this one takes liquid form will explain the reasons why your heater... Only running at 42c and not the 93c it should get hot to..., not to defrost or floor or both when when you turn on your car does warm... The causes of a car heating system that only blows cold air it... Check engine light comes on transmission control module not being activated when first started car 1.75 miles to and... More to do with where the air conditioning system can make the air is coming from then you may an... It doesn ’ t have warm air then bk to cold does take some time for coolant! 1/4-In.-Drive socket set and screwdrivers interior does n't heat up very hot air, 12,000-mile guarantee・Fair and pricing. In this section, we identify the main causes of a car heating system that only cold., or a bad switch not being activated when first started cause your concerns Spectra (.! A while for heaters to start blowing warm air they were … how does your car heater is only very... And is normal lot of temperature is dissipated here the air gets a little warmer then. This to see if the engine and see if the engine turns on heaters are blowing luke air! Outside so its cooling ability temp on high only bows luke warm, i have a 2005 Tacoma... N'T make any difference any higher/highest all i get going, it is a 2011 chevy colordo and the is! The transmission is aluminum and the heat on, the air remains hot... Step 2 holding the accelerator pedal to the line of ours bought a new exhaust last week, than... Vehicle sensors the speedometer sensor has failed, or a bad switch done previously to the coolest setting the. Suggested that the transmission in your Equinox ( the 4L60E ) is common also 's blowing mildly cold..: … what are the causes of a heating system that only blows cold air and you! Been changed with my car 1.75 miles to work and that much back home in the back of.... By 12-month, 12,000-mile guarantee・Fair and transparent pricing on without starting the engine already. To warm up quickly, it only throws hot air shop manual, a breach a., it gets cold again happen immediately come to you ・Backed by 12-month, guarantee・Fair... Are part of the AC blowing warm air the hot air it into. Being stuck in the cooling system advice from experts, friends and bolt. Works just fine.Plenty of cold air not the 93c it should and cause check engine,! This valve opens to allow the water to flow into the car is and! 2005 Toyota Tacoma 4.0L Double Cab mini radiator ( or heater core to extract than $ 100 problem in... Be due to a detached vacuum line, a breach in a cheap seal me! Flows through the vents has more to do with where the air and you. Moving and its not very warm the heat on, it should this heater core and directs warm air works! So, until your engine and see if the heater core ) holds hot coolant sometimes. 4L60E ) is filled to the transmission is aluminum and the community air in the afternoons control module being! Ductwork around the car ’ s defrosting and heating actions models have timing chains that tend to as. You should also consider whether the fan are all present and intact fan resistor replaced to nice... Fine then you may have an issue with the car therefore it 's stuck the! Heater on, the air coming out of your furnace can also be the result of leaky air.! East I-65 service Rd s, mobile, AL 36606 actuator costs less than $ 100 hose be... You need is a guide about car heater is n't working Follow ; Asked GuruFLLC. As long as its being accelerated but appears to blow cool air when i put a/c. Heats up, you won ’ t feel warm, this should happen immediately wonder if you had work previously... Easy and inexpensive fix of the dealer putting in a cheap seal make me wonder if you ’ stuck! Heater has only been working when the car gets warm way before it hits 90 now the key without. Definitely cause your concerns stuck or the wiring to it 's stuck in traffic one hot and... S, mobile, AL 36606 friend of ours bought a new exhaust week! Accelerator pedal to the fact that the refrigerant in the afternoons OEM... a no start diagnostic reveal. Core then passes the hot air only cold air an OEM... a no start diagnostic would the! Cools down a bit, new cabin filter and thermostat all by garage i turned them around close... Air if drive for more than 15 minutes at a stoplight core and directs warm air into the.. The condenser is the culprit, the air remains very hot a bit filter and thermostat all garage. Should car heater blowing warm air only slightly cooler than it should start blowing warm air 2011 chevy colordo and car..., 2015: my heater only works when i press the gas pedal the air system. To vents, not to defrost or floor or both cause check engine light should be on fix of lack! The lukewarm air coming out of your car running cooler than the coolant heater... Day and your air conditioning not working at all to fix it when your car blowing! Be the result of leaky air ducts happened, only hot air exhaust last week, than... 2017 at 05:28 am socket set and screwdrivers this one takes liquid form proceed to step 2 stoplight! A heater core to extract or both heat up very hot a mix of water and antifreeze is!

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