2018 nissan armada heater not blowing hot air But in a lot of cases, this will mean that you can't use the vehicle. hand, lol) the tailpipe on the evaporator, coming back to the compressor (from the firewall) felt Nov 14, 2013 · Yes - I made sure I checked the climate control for both sides. Its completely normal, you turn on the AC and it blows the hot air out and then blows cold. Maybe a seized blend door locked on cold on driver side? Which one do I replace? Looked at many many vids. This process can't take place if you don't have enough coolant. In some cases, the compressor may make strange noises or leak fluids. Braided Brake Lines Dec 16, 2009 · Once I hit the gas and start moving the heat blows nice and hot. Now enjoying freezing cold air in San Antoniorunning over 100F on most days now Some online advice said low freon could mess with the actuator door sensorsbut using the handy "pocket tester" (i. Nov 23, 2015 · 2004 Armada SE, Throttle body coolant bypass, Grounding kit, modified Volant CAI with Amsoil dry element, custom engine cover, trailer brake controller, Michelin M/S2s, custom lower grill, Silver Star headlights, Bilstein HD shocks, Power Stop Drilled/Slotted Rotors, ceramic pads, Goodridge SS brake lines, interior and back-up LEDs, PLM transmission pan, trans radiator cooler by-passed, all Jun 3, 2022 · Thank you Georgia11 ! Googled a solution, found your post, and WAY TO EASY to go from there. Some systems actually have 2 internal doors for that, a sliding door that sets the mix and a secondary flap-door that blocks off the heater core on max AC, so it doesn't "bleed" any heat into the flow. 1. Rather than shutting off or regulating the coolant flow through the heater core, your truck has what's know as a "blend air" heater, where there is an an air door inside the heater box to direct the airflow through or around the heater core, while the coolant Jul 26, 2017 · My 2013 Nissan Rogue stopped blowing hot/cold air aboout 3 months ago. Part# 92400-ZW10A One of the most common reasons for a Nissan car heater blowing cold air is a low coolant level. She had the automatic dual zone temp control and it is the same for both zones. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC blowing hot air in Rogue. New stat and coolent is at correct level Datsun / Nissan Patrol; Nissan / Infiniti Truck, Crossover and SUV Forums Nissan Trucks Forum Nissan Truck Classifieds Nissan Titan Forum Nissan Pathfinder Forum / Infiniti QX4 Forum Infiniti QX30 Forum Infiniti EX35 / EX37 and QX50 / QX55 Forum Infiniti JX35 / QX60 Forum Infiniti FX35 / FX45 / FX37 / FX50 / QX70 Forum Armada Forum / QX56 Forum Sep 17, 2019 · The air that's trapped in the plenum and air handler will rise to the ambient temp until you introduce colder air/turn on the AC when the car turns on. Dec 18, 2008 · Hey guys, 2003 3. Anyone ever have an issue like this? Nov 20, 2023 · It does this with defrost on the windshield as well. Same as a garden hose sitting in Dec 27, 2011 · Sounds like when you manually moved the valve it’s now stuck in the hot position. She said she never turned down the heat (set at 90 w/ max fan). Therefore, I believe in work, hard work. Jan 7, 2022 · The heater core then blows warm air into your cabin. Has 2 heater hoses and 1 electrical connector. Customer: I have a 2010 Nissan Armada that is not blowing hot air when the heat is set on 90. I was under the impression that by leaving the heat on the previous time in the car, that once I remote start the following time it will be back on. I've already done a quick search & came up with coolant issues (low, possible air in system). anyways is you controller manual knobs or therostat set? (1993-2001) 2013-2018 Nissan Altima Oct 20, 2020 · Do you have problems keeping the car cool at a red light? Mine was getting really hot every time I stopped. when idling, not much air moves over the coils so the refrigerant won't be as effective when you are at highway speeds or high idle. This can happen due to a leak or if the AC has not been recharged for a long time. May 3, 2019 · If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. just started like in the last few weeks. It Jun 22, 2016 · My 2017. Then feel the hoses on both sides of the valve. Oct 23, 2021 · Arrows indicate air from above, air from below or both. 5. Currently still working for Dealer Jun 2, 2009 · Well just a few days ago my heater in the titan quit blowing hot air, it only blows cold air. When my hvac controls are turned to hot, I'm getting only luke warm air. Since the heating system in Armada relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. Jun 19, 2017 · The 2013 Nissan Altima has 15 problems reported for a/c blowing hot air. Have you sat in the truck stopped in park and with that heat blowing and pressed and held the gas pedal for a while at a steady rpm and see if it starts blowing cold air. It blows through the top and bottom with the front setting. I tried to replace the actuator by following this video (). Average failure mileage is 31,250 miles. This is one of the most common causes of heater problems and it is a sign that you’re not giving your car proper attention. ), Audi R8 NGK Ignition Coils, HP Fuel Pump, Performance Fuel Injectors, S. I believe the heater should begin blowing air from the minute I remote start and continue until it reaches the previously sent temp. Very common issue. If the outside temperature is in the 50s/60s I get slightly warm are out of the heat ducts, if the outside temperature is in the 30s/40s I get only cold air out of the heat ducts. Please let me know what you think this is. Apr 16, 2021 · My wife's 2011 Armada has started blowing cold only no matter the temp setting. Titan No Heat: How the Heater Works At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. Have you noticed any changes in the temperature control settings or airflow Jul 28, 2019 · One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. I had this problem a year ago and found the solut Dec 16, 2013 · The other day I moved it to Feet Only and for about 3 seconds I had heat coming out, then it stopped. What could be the issue here? Oct 1, 2011 · Of course it was typical afternoon. A technician will diagnose your 2019 Nissan Armada heater using the symptoms you report as a starting point. Mar 27, 2022 · The air conditioning system in Nissan Armada has a condenser coil that sits at the front of the vehicle, and is responsible for releasing the heat from the refrigerant into the ambient air. The fan is putting out a good amount of air but it never gets warm. Oct 20, 2014 · In a two-wire configuration, one side should be hot and the other cold. Because your Nissan Armada heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a combination of these systems. Replace the faulty part. What I've done so far: 1. May 1, 2017 · That suggests something is blocking airflow through the heater core but not through the AC evap. the clutch fan should come on and help suck in more air at these temps (you car will sound like a mac truck---RROOOOAAAAARRRRRRRR My 2011 nissan armada is blowing cold air from heater. Just have issues of it coming through the front vents occasionally. Of course 1st time I tried to use the heat I get cold air. After replacing the actuator, the clicking sound went away, and both the driver and passage sides now are blowing air. An air lock prevents the coolant from circulating properly and can cut your heat output. If the driver's side air inlets blow in cold air, you are going to have a couple of problems: The heater does not blow warm air on my 2010 Titan. Customer: Heat works on dash, blows cold at my feet. Feb 1, 2010 · 2005 Smoke Titan XE King Cab w/ preferred package 18" graphite stock 5 spokes, 305/65/10 falkens, 2. The passenger side and rear will change from hot to cold AC. Jan 29, 2007 · It's just a fan blowing air through a mini-radiator (heater core) in your dash. A bad AC compressor can trigger a variety of symptoms in your car. 06 Armada with dual zone climate control. Jun 19, 2015 · AC wont blow through the front vents regardless of where I set the control. Feb 3, 2018 · Also, the drivers side air doesn't change temp by moving the temp settings. When heat is on, cold air comes out of the foot part of the passenger side. No hot or cold, just luke warm. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Oct 3, 2022 · 1. Let it run for like 10 minutes. Nov 29, 2015 · Join Date Feb 14 2017 AZ Member # 393251 My Garage Toyota Highlander, Nissan Armada, Kubota M4030, Scag Tiger Cat 2 Location Gulfport, MS May 10, 2019 · On top of that, I have a clicking noise somewhere under the steering wheel area when I change the temperature from cold to hot, the clicking noise is still present from hot to cold but is less noisy than cold to hot. Thanks Feb 16, 2014 · I had the same issue with my 08. Low refrigerant. Without that actuator in the proper position you will never get hot air, even if the heater valve is in the right position. ARMADA: my 2011 nissan armada is blowing cold air from heater. Best Oct 18, 2022 · Since the heating system in Pathfinder relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. If your Nissan Armada isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. Oct 17, 2021 · Don't cut dashes or any of that nonsense at least not before the problem has been properly diagnosed. They should both be about the same temperature. ) All fan recall work is done including fuel sender 2. Both hoses on each side of the control valve located on the firewal … read more Jun 22, 2011 · Given that the Evaporator was indeed cooling the driver side air a small amount, the air on the left side included air that was not drawn through the evaporator, or the evaporator is not uniformly cooling the air going through it. Jan 26, 2010 · Why is it doing this? Two shops have told me different things. lol. Feb 24, 2023 · 2005 SE Off Road: JBA LT Silver ceramic coated headers, Cajun B-Pipes with Heavy Metal Cats, Borla Dual SS Cat Back, Uprev Tuned, K&N Air Charger, CSF 3328 Aluminum Radiator, Grille Craft Upper and Lower Grill, Burtman Rear Air Reflector, Manik SS Nerf Bars, Nissan Tow Mirrors, Front Bilstein 4600 HD's, Moog 81085 Rear Coils, Bilstein 4600 Shocks, AirLift 1000 Rear Air Springs. What could cause heat not to blow out the vents. The previous owner is saying he wasn't Nov 21, 2012 · I understand that the heat takes a few minutes to warm up. After checking all the other actuators under the dash and saw that they were all moving/working, went back to the mixing valves pulled it apart again and this time manually moved the upper cog and warm air began to come through. The most common symptom is that the air conditioning will not blow cold air. It is HIGHLY unlikely that you have a plugged core on a 2018 with 50k Check your coolant level. 5) Live in New England, and i have complained over and over about the heater not blowing hot air on the floor vent. Oct 14, 2018 · Heat not working only blows cold air. Nov 7, 2008 · 2008 Nissan Titan Heater & Blower Unit - Diagram 3 270108 My heater quit blowing hot air! [Archive] - Nissan Titan Forum: Club Titan Forums I THINK ITS, THE RAIL OR THE DOOR JUST DOESNT OPEN/CLOSE PROPERLY! I ddnt do anything but the to click back thing and its werking fine now good luck Nov 16, 2020 · If you can get hot air from the passenger side by turning the driver side heater control to hot (while not in dual mode) but you can't get hot air on the passenger side by turning the passenger side heater control to hot (in dual mode), then you very likely have a defective AC system module (the part in the dash with the knobs). Jan 22, 2020 · The air blows as it should at all variable speeds and takes the appropriate route when the modes are changed from defrost, floor, vent, mix, etc. If I park front end up hill an let run for a bit it will finally kick back in an hot air will work perfect until thermostat setting is turned back to cold, the does it all over again. I can clearly feel a little air coming out of the foot vents, and nothing from the face vent. - I have a 2010 Nissan Armada, when I turn on the heat it blows cold, or luke warm air. e. When you got the blend door to move, it just switch air moving from the evaporator core to the heater core. Jun 8, 2018 · Wow that’s BS. Nissan Armada – (Jonathan Weiss / Shutterstock) Jan 15, 2018 · when I turn the heater temp the air stays cold even at 88 degrees. It’s especially noticeable in her foot area. But none of the zones changes the warm air coming from the drivers side vents/defrost Since the heating system in Rogue relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. Just at lunch, I went out and drove around, set the temp up to 85 and turned the blower on high, cold air on drivers side, hot air on passenger side. The hoses going to the heater core are also hot. Problem is NEITHER side is hot (power) regardless of temp setting. Everything else seems to work fine (auto adust fan speed, auto adjust from vent to floor, etc). I have the dual climate controls and the fan works fine, ac works fine, but the temp. I have a 2017 Nissan Armada Platinum that doesn't blow heat, just cool air. Not fun on hot summer days! I couldn't bring myself to pay the dealership the $1,000+ they were going to charge to fix it. The blower is not the issue as the airflow is good. so this past Saturday I had a coolant flush/refill done hoping that would resolve the issue but it still blows out cold air when I come to a stop or am idling. Can you tell me if there have been any recent repairs or changes made to the heating system before this issue started? Jan 16, 2017 · For example, she warmed up her car for 15 minutes, set the heat on max, drove to another city that was 1. Mar 13, 2021 · Like the radiator, the air conditioning condenser on Nissan Armada sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air. S. 0 anytime I turn on my AC an go from cold to hot air on cool mornings, heater does nothing but blow cold air. It's really nice, but it was a private sale, and we just discovered the defrost and heat will not blow warm or hot air. Dec 22, 2009 · I noticed the same problem with mine today. When there’s no air flowing through the vehicle’s cabin, a bad blower motor usually causes this scenario. No heat was happening before recall work was done. The heat is provided by the hot coolant flowing through the heater core. I had checked it initially but obviously not good enough. So to sum up: 1. George Petrie, The Auburn Creed 2011 Pro4X Crew Cab - Majestic Blue - Front suspension: PRG UCAs, Bilstein 5100s mid perch, 2" lift spacer, fabricated heim joint sway bar links - Rear suspension: 1. Jan 8, 2021 · I have a 2010 Nissan Armada that is not blowing hot air when the heat is set on 90. When activated, they switch polarity to either open or close the valve. Note: If this evaporator core is defective, do NOT install another evaporator core from the same manufacturer. With this thread at almost 200 views, I feel not so alone in the matter so any help for myself and other viewers is GREATLY appreciated!! Nov 22, 2013 · 1999 - 2016 Super Duty - Heater not blowing hot air. This happened instantly, not over a period of time. Anyone ever had any luck getting Nissan to fix this out of warranty? Nov 11, 2021 · Heater fan not blowing: Runner Up: 4th Gen T4Rs: 3: 12-06-2022 12:29 PM: heater not blowing warm air: Dezerts10: 3rd gen T4Rs: 6: 12-06-2016 08:54 PM: Heater not blowing hot in my 86 4Runner: Kellybubba: Classic T4Rs: 15: 05-03-2015 12:29 PM: Heater not blowing hot air: cwest94: Problems & Warranty Issues: 0: 02-24-2015 08:12 AM: Heater not . Seems similar to the Gen 1 Titans with the heat valve not working but may be in another part of the line of things. However, when you crank knob all the way to max temp - it suddenly switches to really Why would a heater in a 2000 s type 3. Both: Blows from headliner 2nd + 3rd rows and lower vent in 3rd row. Heater control valve. The heater core can get clogged with debris and contaminants Apr 5, 2022 · Driving your Nissan Armada in hot weather with a broken air conditioning system is not only uncomfortable, it can also be dangerous for your health when sweltering heat builds up in the cabin. 2012 Nissan armada, heater not blowing hot, Issues like this will have mostly 1 of 2 issues going on. 5 Nissan Frontier SV 4. Last week the noise stopped and now I can’t get heat to come out of the front vents, but the rear heat works normal. AC Blowing No Air at All Usually the culprit. My heater has not been blowing warm air. At this point, the blower motor blows A technician will diagnose your 2018 Nissan Armada heater using the symptoms you report as a starting point. Jan 7, 2022 · Coolant heats up when it's in the engine, and when you turn on the heater, this hot fluid is pulled into the heater core. 6 v8 In cold temps my 2018 Nissan armada will not start at first but after I it the bottom a few times Jan 3, 2010 · The 2nd gen tacomas do not use a heater control valve, so you were given a bum steer, and thats why you could not find such a valve. If they don't get hot, there could be a cooling system issue or a clogged/restricted heater core. Start the Nov 11, 2022 · There's a good reason that the compressor of your air conditioning system may have been compromised, too. The warmer the outside air temperature, the warmer the air is coming out of the heat ducts. When set on 90° this bypasses the temp sensors and it blows full hot no matter what the temperature is inside the vehicle. I know its the actuator but Nissan gave me the "$700-$800" estimate to fix. Flushed the coolant Feb 12, 2019 · Air lock: An air lock is a large air bubble that forms in your cooling system as the result of a coolant leak or a recent coolant top-up. Mine is out (also a 2010), my rear heat still works but the front does not. Nissan Armada – (Jonathan Weiss / Shutterstock) Nov 14, 2022 · 2006 Nissan Armada 4x4- "Death Star" 93+ Octane '07+ Intake Manifold, GM Corvette 90mm Throttle Body, Throttle Body Spacer, K&N CAI, Bully Dog Gt, +4 Advance(Yes4. Jul 25, 2017 · We have been looking for a well kept Armada for the past several months and finally purchased a 2008 Platinum that has been garage kept. Below: Blows from lower vent in 3rd row on passenger side. Both hoses on each side of the control valve located on the firewall are the same temperature and not hot to the touch. The A/C gets easily overwhelmed by the heater and will produce a greater hot air than cold when mixing because there is a greater amount of BTU in the heated air than in the colder A/C air. The heater core then blows warm air into your cabin. 2018 Nissan Rogue Mechanic's Assistant: I understand that you're experiencing an issue with the heat in your 2018 Nissan Rogue, and the Nissan Mechanic will be able to help you diagnose and resolve this problem. Everything I found online says there is a LH and RH air mix door. Issues with the Heater Core. 5 and when the car is driving I get regular heat coming out the vent, but when I stop (idle) it starts to get cool again. Then it sounds as if the air is coming out at the windshield (as if the Defrost was on) but there's nothing coming out. 0 blow hot air on passenger side and cold on driver side? David. 5 & 3. Dec 27, 2024 · I hope everyone is doing well and in good health. LT Headers, S. Feel the inlet and outlet lines on the heater core. We dial up the temperature to be 90F and it still blows the same temperature of air. Apr 5, 2022 · 1. Still blowing cold air. Average failure mileage is 21,950 miles. It was the heater control valve inside the engine bay on the passenger side of the firewall. I tried this fix does not appear to be working. I have to put it on re-circ, and then I get heat. I have the dual climate control and with both settings on 90 and the AC off and the recirculate on (or off) the drivers side does not blow hot air, only the passengers. If the blower motor stops working due to a fault, the air will not flow out of the vents when you switch on the AC in your Armada. Does NOT blow through floor vents in 2nd row. The blower motor is the central component of the air conditioning system in Nissan Armada, responsible for blowing hot or cold air through the AC vents. Speaking of the heater core, it If the air conditioning system in Nissan Armada is not blowing hard enough or has weak airflow, it not only negatively affects the cooling performance, but can also increase the fuel consumption of the vehicle as the AC system has to work much harder to maintain the desired cabin temperature. If ones hot and the other is not, that is your problem. Since the heating system in Elantra relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. Oct 21, 2018 · Does the front passenger have heat? If not, its probably the control valve up on the firewall under the hood. Oct 25, 2014 · If you have an air temp sensor that is sensing the interior is hotter than it actually is when you set the heat, anything but 90° it will keep cool like this. But if I understand your problem is not enough heat. Jul 5, 2010 · 2006 LE 55k miles. As most of the country we got really cold & once again my heater was not blowing hot air. In my previous Dodge or our second car Honda - if you set temp to 76 - it blows warm-hot air. Murano No Heat: How the Heater Works At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. So I just live with it. Jan 3, 2022 · U know u love it when your Nissan breaks!!😂 Anyway I still cannot figure why the seat heaters on my 17’ Armada and now 21’ Armada heat up so fast and hot they could boil water… My Titans with the same climate controlled seats take longer to heat up and do not get as warm… Feb 6, 2013 · I thought heater as you stated suppose to blow HOT air. This is often accompanied by engine overheating, and you may feel cold air coming through the vents when turn on the heater. C ASE master technician,nissan factory certified master technician,hybrid cetified,GTR certified Dodge Ram Heater Not Blowing Hot Air: Causes Low level of coolant. Dec 2, 2019 · It is fairly random, but noticed it having trouble changing between cold and hot air. Oct 25, 2009 · We purchased our Nissan Armada SE this summer and now that it's turning cold we're wanting to run the heat. I have looked at few other posts which helped, but I am wondering if anyone else has had this problem. May 17, 2019 · The noise eventually subsided but then I lost the ability to control the temperature of the driver side and often just had hot air blowing out even if the temp was way down and the AC was on. Mar 27, 2023 · The issue with hot air on one side of the car and cold air on another side may seem like a minor problem. If you've been running your truck for a while, and check either side of the valve, both hoses on either side of the valve should be hot. Since the heating system in Frontier relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. doesn't change at all from 60-90*. Looks like it was the mixing valves under the hood. If they are both hot, move to plan B. Exhaust to 3" outlet, 4" Lift(working on custom to go a little bigger), 2" Wheel Spacers, Ground System, S. Not one is clear about how to fix the driver side blend doors, or what specific actuator controls the driver side blend doors Oct 18, 2022 · A common symptom of a faulty blend door actuator in vehicles with dual zone climate control system is one side blowing hot air while the other side is blowing cold air. Jan 16, 2020 · The 2018 Nissan Rogue has 2 problems reported for heater doesn't work. I would find it hard to believe that the heater core is already plugged up. If not, you've found your problem. I assume the warm air is mixing in with it. so anytime my heater is blowing hot air and I stop at a red light or stop sign it quits and cold air blows I'm not really sure what to check. Customer: 2012 Nissan Armada not getting hot at all strictly cold air the thermostats working and the heater is getting hot around the line Mechanic's Assistant: Thank you for sharing the details about your 2012 Nissan Armada. 5 hours away and the car barely heated up. before that it has been touch and go if working. When i press dual it will blow hot air on passenger side. I hear the compressors engage when I turn in the ac but no air will blow out cold or hot Aug 19, 2021 · 2013-2018 Nissan Altima Discussion (2. Either a blend door actuator that is not functioning or a heater core starting to clog up. Many Nissan SUV and trucks have a heater control valve that regulates how much hot coolant can flow through the heater core. 5" leveling kit (JB), 5100's, tinted tail lights, AEM Brute Force CAI (gray tube), BDGT, Grille mod, 20 inch led bar, plastidip bumper, fog lights, Hella 500 6000K HIDs (behind grille), 6000K lows, 4300K highs, debadged, Viper power locks, Flowmaster Super 40, 2" lowering shackles, pioneer avh Oct 10, 2016 · My wife's 2011 Armada has started blowing cold only no matter the temp setting. Because your 2019 Nissan Armada heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a combination of these systems. The thermostat can be 60 or 90 with A/C on or off, recycler or outside air, etc. Once the engine is warm, feel the two heater hoses/lines that pass through the firewall/bulkhead for a hot condition. Armada No Heat: How the Heater Works. A technician will diagnose your Nissan Armada heater using the symptoms you report as a starting point. It really should self bleed, but if it is a problem with air trapped in the heater, try and elevate the front of the car so the coolant filler is at the highest point, run the engine with the heater on high, air should make its way out as the system heats up, with the car at normal temp both heater hoses at the fire wall should be hot to touch. I haven't had time to stop at the dealer and have them check it out but any help would be appreciated. " - Dr. 5" tapered lift blocks, 1" MaxTrac lift shackles, Bilstein 5125s Mar 29, 2010 · With the A/C on and the heater on hot and cold air can mix to produce dry air for windshield demisting. The 2016 Nissan Rogue has 4 problems reported for heater not working properly. As far as i know, the only way to get the air out is to either drive around with the cap half tightened, or let it cool down while parked on an incline with the front of the truck up, and keep burping the cap. The heater in your car relies on the circulation of hot coolant through a small radiator, known as the heater core. Average repair cost is $1,090 at 65,800 miles. Mar 4, 2024 · What is the recall on the 2015 Chevy Colorado heater? Condition Certain 2015-2016 model year Chevrolet Colorado and 2015-2016 model year GMC Canyon vehicles, may have a condition in which a crack in the heating and cooling module temperature door control shaft may form and result in inconsistent air discharge temperature control. Mar 3, 2023 · 2010 Nissan Armada Problem: clicking sound under the dashboard, not blowing air in the front (both driver and passage sides), but heat working in the rear. Jay 20+yrs experience with Nissan & Infiniti Trained & Certified. Not worth spending a lot of money getting it fixed. Checked the AC ran like a top. Coolant temp was bouncing between 185-210. However, many Nissan cars don’t use a heater control valve and control temperature with the use of an air blend door and the blend door actuator. Above: Blows from vents in headliner in 2nd and 3rd rows. Dec 7, 2017 · "I believe that this is a practical world and that I can count only on what I earn. . Nov 26, 2015 · This happened a handful of times last year. If the coolant level is too low, there may not be enough hot coolant to flow through the heater core, resulting in cold air being Jun 7, 2010 · Im not completly sure if its the same with 02-04s but on 05-06s theres a sprocket visible from the drivers side footwell, get upsidedown and look up there on the right side then flick the controls on the HVAC that changes which vents blow air and see if that sprocket moves around. Asked by Leonard Oct 14, 2018 at 07: Feb 21, 2022 · The Fan Speeds work good and blow air good whether on A/C or Heat. 5-2inches above the max line, if you start to get gurgling noises, youve got air in the system. If both lines are hot, the issue is more likely with the temperature blend door or motor. Aug 10, 2012 · I have a 2005 Armada that has a problem with the airflow not coming through the front vents. It's electric and after several years the motors give out. Does anyone know how to manually turn or make the AC blow through the front vents until I decide that I want to spend the money with Nissan? May 19, 2019 · lot to type,but many factors can contribute to this--high outside temp, high engine/coolant temp, high humidity, stop/go traffic. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. My 17 does the opposite. Based on HA-13 of the FSM, the air mix door is directing the air correctly. Everything else works perfect. I do not have dual climate control and I can't locate a blend door on the driver's side. It's bolted onto the firewall. Occasionally it then reverts through the front. Also, the system WILL cycle to defrost/front/feet and blow air out of each different zone. Her car heats up enough to assist in defrosting but its coolish air blowing out. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. The A/C is blowing cold air and is working fine. It controls the flow of the coolant to the heater core. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open Oct 4, 2023 · Problem solved for now. Sep 18, 2015 · At one point it even felt like it was just blowing outside air in - meaning there was no hot air blending in like it should be. So, if the engine is heating up just fine and the coolant is hot and the blower motor is blowing air, then the only thing left would be the flow of hot coolant through the heater core. If your Nissan Armada has no air moving through the climate system at all, that’s a lot easier to diagnose than the air that is blowing not being cool enough. Oct 19, 2022 · Heater takes a long time to blow hot air. If the coolant level drops too low, the vehicle’s heater core will not get enough warmed coolant through which it will produce heat. It will swap from floor, vent, and defrost, but will not go to heat. Oct 2, 2012 · OK, time to re-vist this thread,,,,,So went to turn on my fan today and had nothing, rear fan works fine , when I use front control, and on 3, the front fan will blow high, when I turn rear fan control to 4, front shuts off, So I guess its this resistor part, only prob is i removed it got part # 4nah-19a706-ba that part refers me to 27150-5Z000 Nov 7, 2008 · 2008 Nissan Titan Heater & Blower Unit - Diagram 3 270108 My heater quit blowing hot air! [Archive] - Nissan Titan Forum: Club Titan Forums I THINK ITS, THE RAIL OR THE DOOR JUST DOESNT OPEN/CLOSE PROPERLY! I ddnt do anything but the to click back thing and its werking fine now good luck Oct 18, 2022 · A common symptom of a faulty blend door actuator in vehicles with dual zone climate control system is one side blowing hot air while the other side is blowing cold air. This holds true for the vent, defrost, and floor boards. There is absolutely no heat whatsoever. I assume it’s the blend door actuator? Took it by a shop and they said the dash would need to be removed to fix it and they quoted me $623. Aug 16, 2022 · Next, determine whether your vehicle has a heater control valve. Nov 3, 2008 · Not the Air Mix Door Motor: Even when very little air is coming out of the vents, if I change the setting from face to foot, the air flow changes. Oct 18, 2022 · Since the heating system in Sentra relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. I feel like I have hot air just blowing all over behind the dash and center console. Driver side vents do not blow cold air until I cycle the AC on/off 10-15 times. Truck is a 2016 2500 with just over 50k on the 6. At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. Cold air is blown through the passenger side and the rear when using the rear controls. First thought was blend door issue. When moved over to cold it feels like the a/c is ongranted it is 21 degrees here. No matter whether the zone is set to dual or single or what temp settins are used on each side, only hot air blows form the driver side. I took my vehicle to a dealership to troubleshoot the issue and I was told the multi-way control valve aka engine coolant bypass valve was the culprit for the no heat issue and the quote to do the work was $1,400. Jan 26, 2025 · The heater core cannot receive enough hot fluid if your coolant is too low. There are several causes for AC only blowing hot air in Armada, which we will cover in this article. - After researching for hours on end I'm giving in and asking. Luckily, this issue is easy to check and fix. Seems a lot for an inexpensive part and labor. Been looking at these heat related topics for a few days. Mine (2015 Frontier and my wife's Rogue) does the exact same thing. 4. The heater hoses under the hood are same temp (Hot). Thanks for Nov 24, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mar 23, 2023 · Have the coolant reservoir filled 1. It is entirely possible for your Armada’s heater to work just fine even when the air conditioner is blowing hot air. Here is what I have done. Faulty thermostat Apr 22, 2022 · The passenger side and right center vent sill blew coldish air, but not nearly as cold as it was. 2. Solution: Set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. it ran warm for the last two days but was blowing cold air. Speaking of the heater core, it can also be a cause of your car heater not working properly. If it's low you may have air in the heater core. Start your car and run the heater. Because your 2018 Nissan Armada heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a combination of these systems. In Murano it blows barely lukewarm. This will be not only uncomfortable but also unsafe for your health. The outside temp is about 65F so I'm thinking it shouldn't be the difference in cabin May 3, 2019 · If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself.
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