Instead, all the air flow is coming out from the defrost vent. One morning my daughters and i heard what one described "like a tire leaking air" from the right side of the dash. 2006 Ford E-Series Cargo E-150 Maintenance & Repair I have a 2008 E250 and when I turn the AC on high or low the blower sounds right but there is barely any air coming out of the vents. and stuck the loose hose. Polaris Engineered Parts and Accessories™ are made by the same people who design the vehicles. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver’s selection in their climate control system. Vacuum Pump (Source on Diesels) has no power to it. Average repair cost is $1,100 at 91,500 miles. Shop at 1A Auto for high quality, replacement Dash Vents for your vehicle, at a great price. Call (888) 856-1675 for more information. The car defroster is an essential safety feature, especially during those colder months. How to Tell if Your Car's Thermostat Is Stuck Closed. We can change the switch to move it from floor to - Answered by a verified Ford Mechanic. Is this an easy fix? - Ford E-250 question. If you find yourself in the car with a frosted window and a defroster that isn’t working, you'll need to address the problem immediately. Thanks for your email. The Nissan Altima is a mid-size car. The ac is blowing through the defrost only. About CarComplaints. It changes the type of air output (max ac, ac, vent air) but won't move the flaps to change the output direction. How to Fix Sticky Keyboard Keys. Great gas mileage, handles like a dream, and it looks nice! The seats could be a bit more plush but they are not bad. If your truck's heater is not working, your defroster usually doesn't work either. Any suggestions? Thanks, John. what type of AC freon is in the 1992 ford E350 club wagon 2 Answers. Item # 1 in the diagram is the PANEL-DEFROST motor, item # 20 is the PANEL/FLOOR door. Regardless of mode AC or heat, regardless of setting on - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. 94 from another Ford dealer. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. I did have my defrost on the night before and it seems to be stuck in the defrost mode. I just bought an 06' F250 6. Fuse chart shows # 28 which serves the back-up lamps too, which are not working. I had been bringing my Chevy here for 3 years. A/C blows through Defrost vents. Got some answers on this problem. My guess is that it has switched positions and is not coming out of the center vents anymore, but maybe out the defroster or floor. Every so often, the motor would do about an 1/8 of a spin. When I installed the AC assembly onto the firewall, I apparently used the one from the 1987 Ford F150 parts truck - incorrectly. Average repair cost is $2,560 at 65,050 miles. Like any mechanical device, a blend door actuator will eventually fail. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. If there are questions related to “Low Air Flow From AC Vents – Auto Repair Tips and Tools” that weren’t covered, feel free to ask your question below – only truly relevant questions will be published. When I am idling it will start to blow hot. The floor vents and the defroster vents work fine. The blender door is vacuum operated and a leak would prevent the door from changing which vents the air blows. Not the cheapest car in this article but it had a 350 V-8, power steering, power brakes, AM radio, and cold cold air conditioning. Car AC airflow problems on vacuum operated systems usually stem from missing vacuum inputs. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 2005 Ford: ac/defrost/heater is stuck on defrost. Ford was smart about that one so since its always in defrost window will deice and not fog up _____. We bought it used, as a large family (We have 8 children) we needed something with ample room and would handle well for trips. Ford Five Hundred Expansion Valve (Orifice Tube) Replacement costs between $301 and $321 on average. 8 THE A/C WORKS GREAT BUT THE AIR ONLY COMES OUT THRU THE DE-FROST VENTS ONLY. Had to have it fixed one time. This 1999 Ford E150 van came in with the complaint that the a/c would only blow out of the defroster. this system is built to fail safe in the. List of FFR related build sites and FAQ. The air will come through the proper vents every once in awhile. After a power loss to my AC controller (pulled it from the dash to work on the radio) air will only blow from the defrost. Start up a hill or give it gas to pass someone and the AC would start blowing out of the defroster vents. Eddie spent 35 years in the automotive business with Honda. SHORT WHEELBASE (SWB) LONG WHEELBASE (LWB) The 2018 Ford Transit Connect Cargo Van is Built Ford Tough®– and it works hard to help you work smart. It does not matter what it is. I have a 2007 Ford E250 cargo van when accelerating the diverter closes the damper on the air-conditioning and it will cool again after acceleration is over. net are the two best shop manuals—period! Unlike the cheaper Haynes and Chilton manuals that cover multiple year models, leaving the exact information you need to fix your car, these professional manuals cover your exact year, make, model. Free discussion forum with free vendor listings. I need the AC. 2000 Ford F150 Climate Control Vacuum Fix, Stuck in Defrost. E350 rear AC fix - blend door replacement. Get the best deals on Car & Truck Air Conditioning & Heater Parts for Ford Ford Lincoln HVAC Heater Blend Door Defrost Ford Van Econoline E150 E250 E350 A/C. I do hear the a/c clutch kicking in, blower is working and all vent direction are working when I select them (defrost, vent, ac vent, heater). The actuator would twist itself out of the valve body leaving the valve stuck in a random position. Where is the low side air conditioning service port on a 2003 dodge stratus? by mtloatm (7/23/2006) I have a 2000 Chrysler 300M - the transmission is stuck in 2nd gear and the transmission by Deanna (3/24/2007) where is my IAT sensor located at on a 2002 mit. It had AC and an automatic, and the shittiest brakes I’d ever attempted to use. There is an electronic actuator that controls floor/defrost/panel vents modes. In this video we have a look at this 2001 Nissan Sentra that has a broken HVAC controller. Ford Aerostar Adjust AC Air Blend Door if Necessary - 11 reports. Forum covers questions and discussions regarding Ford E-150, Ford E-250, Ford E-350, and Ford E-450. None of the other control. 2012 Econoline Ford e250 and my ac only blows out the defrost vents. It does not save gas like they say it does and the fact it has to be hard on the engine and the starter and the fact if the system fail to start back up , it may leave a family stuck in a. Learn about this problem, why it occurs, and how to fix it. Learn more about the 2015 Chevrolet Trax. FORD E350 VAN 93-96 w/AC, factory installed, w/rear AC. com Fan speed button Change the air conditioner's fan speed ⑤ Air swing button S elect the air fl ow direction of the air conditioner t Defrost indicator ( ) button for a duct type indoor unit, the air flow NOTE direction will not be controlled and lamp will blink. Now ac switch won't change from defrost to face or feet setting. The hvac is stuck on distributing air through the defrost. AC stops blowing out Dash vents, defrost only, Fix for about 10$ Ford Econoline e250 - Project Van Save $1000 Ford Van AC Stuck in Defrost During Acceleration - Fixed! Fix for about 10. The connectors that connect to the dash harness are completely different between the 1987 and 1989 models, and the under-hood wiring is slightly. 1999 to 2016 Super Duty - Vent stuck on defrost most of the time - Hi all, I tried the search function, but my internet connection is incredibly slow right now so I thought I'd post the question. I'm sure that I could get it stuck should I try, but I think I'll leave that to the guys that don't care about what they drive. There are 2 kinds of valves depending on the year of truck you have. There is an electronic actuator that controls floor/defrost/panel vents modes. There was no rhyme or reason as to which setting I put it on to make it do this. 2001 Ford Windstar fix for Check Engine Light code P1518 - Intake Manifold Runner Control Stuck Open 2001 F150 V6 4. One morning my daughters and i heard what one described "like a tire leaking air" from the right side of the dash. what is making the vents do this? 4 Answers 2002 Ford E-Series Cargo E-250 Maintenance & Repair. not sure is clutch is coming on. Find many great new & used options and get the best deals for REMAN 02-03 Ford F150 A/C Heater Climate Control WITH REAR DEFROSTER EATC >EXCH at the best online prices at eBay!. Electrical components such as lights, heated seats and radios all have fuses in your 2010 Toyota Corolla S 1. If the climate control unit is automatic, actuators can also fail. There is an electronic actuator that controls floor/defrost/panel vents modes. Trailer Hitch Cover. by Brent Romans, salt or non-clumping kitty litter. The climate control unit in a Ford F-150 is the control module in the center of the dash below the radio that has the blower controller and the air/heat mixture control on it. Solution: A common problem is the blower motor resistor contacts corroding and/or a damaged resistor. 7L Ti-VCT V6 engine (SRW Van and Wagon; standard on Cutaway/Chassis Cab) 3. Fast and easy service at your home or office. audio, Ford SYNC® with MyFordTouch®. When you say the vents do not open, I am assuming you mean no air comes out the vents, but does come out the defrost and floor. I noticed that the defrost is stuck on although it will switch to dash vents. 2002 - 2003 Ford E-350 Econoline with 7. I know it's some kind of vacuum issueWhat the fix for this problem? 5 Answers. MPG City/Hwy. There is an electronic actuator that controls floor/defrost/panel vents modes. Care was taken not to harm the environment when taking this photo. Any suggestions? Thanks, John. Call (888) 349-4989 for more information. There is a recall but my VIN wasn't included. Subaru has the utmost respect for the environment and is a proud partner of Leave No Trace. The Legacy Outback is a car based alternative to the traditional truck-based sport utility vehicle (SUV). Controller shows correct settings. The front system was blowing cold air normally. Used 2012 Ford Fusion SEL, from Svg Chrysler Dodge Jeep Ram in Eaton, OH, 45320-2443. It would also do this if I pulled the fuse and put it back in. My 2004 F350 diesel started blowing air out of the defrost vents only. Fortunately these days, when you hit defrost, the AC automatically comes on to help dry out the air and to quickly clear windows on most newer cars of the past 10-15 years or so (provided the AC even works) but one problem I see are people who keep the recirc on during raining weather and no matter what, the windows are in a perpetual fogged up. I ended up taking it into a dealer and the scan revealed code B3779 - airflow mode actuator stuck. Originally the AC compressor would not come on at all so I added some Freon from a can and it came on to the point where it started cycling on and off. I need the AC. Any suggestions? Thanks, John. floor just defrost. Item # 1 in the diagram is the PANEL-DEFROST motor, item # 20 is the PANEL/FLOOR door. It blows hot air so I don't think there is anything wrong with they heating system. Heating and Air Conditioning. otherwise the car runs and drives well. Check out our store at 73-87chevytrucks. Removing the heater valve can be a real pain. I have a 2001 E250 econoline van starting about 2 weeks ago the rear A/C started blowing Hot Air out the floor vents. Have been having an issue for awhile now in that when I switch from defrost to panel or floor I hear a groaning noise. The floor vents and the defroster vents work fine. AC stops blowing out Dash vents, defrost only, Fix for about 10$ Ford Econoline e250 - Project Van Save $1000 Ford Van AC Stuck in Defrost During Acceleration - Fixed! Fix for about 10. There is a vacuum hose splice connector under the hood on the passenger side of the vehicle. See the 2016 Jeep Cherokee price range, expert review, consumer reviews, safety ratings, and listings near you. Then one day, MAX setting on cold air stopped working, but all other settings continues to work. See the 2017 Toyota Yaris iA price range, expert review, consumer reviews, safety ratings, and listings near you. Why would air only blow out of the defrost vent on a Ford and defrost vents and it is either stuck in the defrost position, is broken, or a cable/connector has come loose. Blower motor problems: If you don't hear anything at all when you turn on your heater, air conditioning, or defroster, the blower motor could be bad. it being stuck on defrost. My husband and I never used it before this just happened by itself. There is a vacuum hose splice connector under the hood on the passenger side of the vehicle. Read more Ford reviews to learn about other models. tony at gmail. Get to know the full capabilities of your vehicle and how to keep it running strong with your Owner's Manual. Basic stuff, oil changes, brakes and state inspection. Any suggestions? Thanks, John. 1999 - 2003 7. Asked in Ford Vans, Ford E-150 Van Why would heat be cold in 98 ford van ? Thermostat is missing or stuck open, coolant level is low, heater core is plugged or heater control valve is stuck closed. First it was blowing normally from the dash but during acceleration or under load, the a/c would randomly blow from any vent, from the floor, dash, defrost. Also for: Ka 2002. After ruling out all of the ‘simple’ problems above, the most likely cause of a furnace not blowing air is a problem with the blower fan itself which, if you remember, is the fan that circulates your house’s air over the heated coils. Learn about this problem, why it occurs, and how to fix it. Your car's defroster is needed to keep the inside of the windshield from icing up in cold weather. When you select defrost or change to vent or vice versa is this controlled by a vacuum line or is it a motor that changes direction of air. Years ago this was controlled by vaccum lines, but now everything is electronic. Air conditioning is a comfort item in a vehicle, not a safety issue. have you verified vacuum to the two lines, unplug and stick to tongue see if replacing the plastice helps, the diaphram may be broken which if you unplug both hoses and sitck one in your mouth and suck, watch to see what gets activated, try each independant then together, that way you know its bad. 5L EcoBoost V6 engine (DRW Van and Wagon) 6-speed SelectShift automatic transmission Alternator - 150-amp Auxiliary fuel port Battery - Single, 70-amp-hr (gas only) Fuel tank - 25-gallon. I had a 1971 Ford Maverick Grabber. AC works but comes out of defrost - Ford 2002 F350 Super Duty DRW Reg. Ka Automobile pdf manual download. 1998 Mustang Gt Air only blows through defrost vents Fix!! Ford E350 AC reservoir and check valve replacement pt. E-150 van blower stuck on defrost mod will not let me turn off or go to a/c mod switch is fine turns ok, stuck on defrost mod you can turn the blower off and on but it will not let you chose any other things like a/c,face. Blower motor problems: If you don't hear anything at all when you turn on your heater, air conditioning, or defroster, the blower motor could be bad. Monitor and control your vehicle - start and stop it, unlock from anywhere, see the nearest gas station, check fluid and fuel levels, find a parking spot in select cities and so much more. It is important to understand how the heater & cooling system works in your car before you can begin to try to diagnose why it is not working. I took the dog house off on the inside of the bus and found some of the vacuum lines at the back side of the engine near where the transmission connects. The other day out of the blue the dash AC would only work in defrost mode on my motorhome. The Jeep Patriot and Compass shared the basic Caliber design, but also had toughened bodies and Trail Rated versions with low-gear AWD and skid plates. I took it for a ride today and there is no air blowing out the dash vents. 2014 at 12:50 PM about the 1998 Ford E-350 STD Econoline Cargo Van. Few things are more frustrating than interior airflow in places it isn't needed. What problems do Ford F-150 Visibility Defroster, Defogger System drivers report?: 13. View all 73 consumer vehicle reviews for the Used 2010 Buick Enclave on Edmunds, or submit your own review of the 2010 Enclave. All the best! Greg. fan is okay. The vacuum controlled valves are dependent on 18 to 22 in of vacuum from the vacuum pump. Average repair cost is $2,560 at 65,050 miles. hot air is blowing with ac on. It would also do this if I pulled the fuse and put it back in. 2011 Ford Expedition Replacing The Driver’s Side Temperature Door Actuator in Under 2 Hours Part 1 This 2011 Ford Expedition came in with the complaint that the driver’s side vents were stuck on heat. The thermostat could also be stuck, or the heater core could be plugged. I had the same issue and found a damaged 1/8" piece of tubing right behind the battery. OK this has been bugging me since I got the Bronco and now it's getting to be annoying, the heater won't switch from Vent to Defrost you can hear the vacuum "suck" the flap to change it shut but it doesn't change it just keeps blowing out of the Vents, it'll fog the windows up and not unfog them so seeing becomes a hazard. No vacuum signal can cause the air to dump behind the dash and flow very weak from all of the vents. 2008 Toyota Tundra AC / heater problems with 2 complaints from Tundra owners. by Brent Romans, salt or non-clumping kitty litter. Heater only blows out of defrost (1998 Dodge Ram 1500) right side heater vents stuck on high. Get a free, personalized quote today!. At light throttle or when you were on level ground, it was ok. This pertains to all ford e450 chassis. Item # 1 in the diagram is the PANEL-DEFROST motor, item # 20 is the PANEL/FLOOR door. OK, I just changed the oil and I have 101,000 miles on my 1998 Ford Windstar. As long as you've been paying attention, nobody knows how your engine sounds better than you do, so if it starts to sound odd or even just a little different, there could be a problem. Fast and easy service at your home or office. Ford's Position on Biodiesel: Ford is advising that any of their vehicles powered by a diesel engine, regardless of manufacturer, may exhibit engine or fuel system problems when using fuels with greater than 5% Biodiesel. and Defroster Cables. Any problems when using fuels containing more than 5% Biodiesel should be referred to the fuel manufacturer. Install the right blend door actuator. Ford Fix 3,850 views. I have f250 diesel 4x4 2003 My climate control is stuck on defrost, my question is, where is the vacume pump located? And what other funtions does this. My first problem is that I have been unable to locate the vacuum canister on this vehicle. Directed by Alfred Hitchcock. AIR CONDITIONER. Learn about this problem, why it occurs, and how to fix it. 8 THE A/C WORKS GREAT BUT THE AIR ONLY COMES OUT THRU THE DE-FROST VENTS ONLY. Looking to sell my 2008 Ford Escape XLT Awd ! Runs and drives great. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. i have a 1996 ford windstar and its stuck on defrost. Asked in Ford Vans, Ford E-150 Van Why would heat be cold in 98 ford van ? Thermostat is missing or stuck open, coolant level is low, heater core is plugged or heater control valve is stuck closed. About two months ago, my vent / fan started blowing on the windshield instead of my face - I'd have to turn the fan all the way up to get a breeze I could even feel. ac/blows from defrost vent only e350 ford van 1999 ac blows through defrost vent only. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. Fuse chart shows # 28 which serves the back-up lamps too, which are not working. net, the dedicated network of auto glass specialists spanning all over the US. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. It's synonymous with the rugged capability, outstanding performance and dependability of Ford trucks. The 2005 Ford Explorer has 4 problems reported for a/c air won't come out through vents properly. Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Ford F-150 problems in 2016 models also include engine problems. If your Ford F-150 truck heater isn't working you will want to get it fixed before cold weather sets in. 2012 Econoline Ford e250 and my ac only blows out the defrost vents. No heat to feet or defrost. Check for a vacuum leak from the small vacuum supply line going into the dash. Ford was smart about that one so since its always in defrost window will deice and not fog up _____. Serving West Bloomfield, Auburn Hills, Pontiac MI and Commerce Township. i did some research and found information on another site on what to look for and a place online that charges $180 to rebuild the EATC and fix this issue(ATE:High Quality Rebuilds at Exceptional Pricing). The blender door is vacuum operated and a leak would prevent the door from changing which vents the air blows. 1999 to 2016 Super Duty - Vent stuck on defrost most of the time - Hi all, I tried the search function, but my internet connection is incredibly slow right now so I thought I'd post the question. I have a 2007 Ford E250 cargo van when accelerating the diverter closes the damper on the air-conditioning and it will cool again after acceleration is over. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. Shop for A/C & Heater Controls for your Ford F150 Truck at 1A Auto. Refer to the detailed service procedures available in DealerCONNECT> TechCONNECT under: Service Info> 24 - Heating and Air Conditioning/Controls, Front/Actuator, Blend Door/Installation. defrost is usually the default/resting position for interior vents. Installed the AC harness from the 1989 Ford F150 4x4 parts truck. CarComplaints. A lot can be learned by listening to your engine, so if your car starts to change its tune, you should take heed. No air coming from Front Vents 27 Answers. I have a 2000 Ford Excursion with 38000 miles on it. For a limited time only, take advantage of up to $1,650 in rebates on qualifying Carrier ® home comfort systems. 1996 Ford E-Series Van Climate control panel The Ac//heater/defrost/vent Etc. The worst complaints are air vents stuck on defrost vents. 2008 Toyota Tundra AC / heater problems with 2 complaints from Tundra owners. Start up a hill or give it gas to pass someone and the AC would start blowing out of the defroster vents. Our replacement automotive carpet kits are the highest quality for your vehicle and are made of OEM quality materials. 2016 Ford Transit Van We have a 15 passenger 2016 Ford Transit. It blows hot air so I don't think there is anything wrong with they heating system. Truck runs great. hot and cold controls still work but doesnt come out of defrost position. Ford AC stuck on defrost Bypass fix. This 2005 GMC Sierra came in with the complaint that the air will only flow from the defroster vents, regardless of where it is commanded to. - Air flow stuck to defrost only. it seems like it's stuck on heat on the top vents only because when i switch it to floor it still stays constant on the top vents. tony at gmail. Answer: If the air conditioning / heater fan is still blowing, then the air must be going somewhere. I ended up taking it into a dealer and the scan revealed code B3779 - airflow mode actuator stuck. rubber vaccum line are very - ford 1999 f350 regular cab question. 2000 Ford F150 Climate Control Vacuum Fix, Stuck in Defrost. ok so its fixed now. All, Air conditioner blows from defrost vent. A/C blowing out of defrost vents. Poor air conditioning performance; What’s a receiver/dryer? The receiver or dryer is found on vehicles with a thermal expansion valve. My AC does a similar thing (2006 F-150 KR 4x4 crew cab - 5. The blend door actuator is the component that mechanically selects what vents the AC system works through, and if it fails or gets stuck, can produce the symptoms you are experiencing. If your lucky, a loose vacuum line. I have f250 diesel 4x4 2003 My climate control is stuck on defrost, my question is, where is the vacume pump located? And what other funtions does this. See a full car recall list for your car. There are 2 kinds of valves depending on the year of truck you have. But could it have something to do with the cycling? Should I add more Freon?. Car AC airflow problems on vacuum operated systems usually stem from missing vacuum inputs. A wheelchair-bound photographer spies on his neighbors from his apartment window and becomes convinced one of them has committed murder. Why does AC and heater blow air through defrost vents and will not blow air into cabin vents on 2000 Ford E350 van stuck in the defrost position, is broken, or a cable/connector has come loose. I ended up taking it into a dealer and the scan revealed code B3779 - airflow mode actuator stuck. Fuse chart shows # 28 which serves the back-up lamps too, which are not working. by Brent Romans, salt or non-clumping kitty litter. It blows hot air so I don't think there is anything wrong with they heating system. Just would like some feedback so I can attack this problem this weekend. Browse over 3 millions listings enhanced with The Car Connection's industry leading scores and reviews. Learn about this problem, why it occurs, and how to fix it. Ask for Stock# C20304TA or call 866-353-2349 for more information. com : Car complaints, car problems and defect. i checked all the vacuum lines that i know of behind the glove box and hood. Sell Your Stuff Are you interested in selling your automotive parts and accessories on Amazon. I took the dog house off on the inside of the bus and found some of the vacuum lines at the back side of the engine near where the transmission connects. It has about 88000kms on it. Or air conditioning. 99 from an independent shop, $997. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. There was no rhyme or reason as to which setting I put it on to make it do this. I turn knob and it does not change to floor or defrost it just stays blowing in front. The floor vents and the defroster vents work fine. Learn more about the 2017 Dodge Charger. The air coming through the defrost is AC if I put it on AC setting and not AC if I turn it to regular air. SOURCE: ford taurus ac stuck in defrost. Is there a way for me to check this out and correct the problem?. how to fix e150 e250 e350 e450 e550 Econoline Van ac stuck on defrost ! - Duration: 10:27. There is just no air from floor vents or defroster. 0 NO AC to front vents. 1999 to 2016 Super Duty - AC vents stuck on DEFROST - Need some help bad. Clear View Front Wiper Area Defrosters safely defrost the area at the bottom of the front windshield in the wiper parking area. I have f250 diesel 4x4 2003 My climate control is stuck on defrost, my question is, where is the vacume pump located? And what other funtions does this. The suction system not only controls air zone valves, but also 4X4 activation. Got some answers on this problem. audio, Ford SYNC® with MyFordTouch®. There is a recall but my VIN wasn't included. Ask for Stock# C20304TA or call 866-353-2349 for more information. Easiest way is to look under the dash by the firewall at the ductwork leading up to the top vent where the ring fell intry to figure out the low point of the duct where the ring may have landed and cut open the duct in that area to retrieve the ringseal the duct back up with plastic or the part cut out and aluminum duct tape from a hardware store. This is due to the actuator being buried within the heat and air assembly behind the dashboard. We sell wholesale to the public. In this video we have a look at this 2001 Nissan Sentra that has a broken HVAC controller. Heating and Air Conditioning. Air Conditioner - DVMdownload. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. - Air flow stuck to defrost only. Average failure mileage is 140,000 miles. This is an electric HVAC system so you may have a problem with the MODE valve actuator motor. When I am idling it will start to blow hot.