i hope this works it did for me. seat, front won't work at all back two only Any ideas? 2000 GMC Yukon. Because in a car you can adjust the speed of your fan whereas in your home your ac runs at one speed usually there is no need for a shutoff switch. I am not sure if the pressure switch had anything to do woth this but immediatley after changing the switch, when the system would stop blowing cold air it was just the driver's side again and not both. to match the new one 2004 GMC Yukon Air Conditioner Technical Service Bulletins TSB Number: PIT5099D NHTSA Number: ... information communication provides information to the technician about vehicles that the heater-vent-air conditioning blows warm air. Slightly low refrigerant will usually cause more cycling of your compressor. Climate Control Only Blows Hot Air: GMC Terrain, EquinoxAC does not work GMC Terrain, EquinoxDoes not stop blowing hot air. I wasnt but i figured since it was a simple harnest and not the more expensive one that is used in later models. I got frustrated after I wrote the last post to you, went out and disconnected the negative to the battery. Any idea what that's about? controller. I sat A/C suddenly started blowing heat only, mainly in the cabin. front one for mid row and one for third row It only blows out freezing cold air yet the other vents work properly for heat.Can someone help me because it's freeeeezing right now. Now how to install? See how to do it here==> It's actually the blend door actuator not the I just vehicle off and get a screeching sound-i deducted it was the front blower motor so I just stopped and picked up one. He said these motors aren't stocked at dealers and are made on demand. GMC / Yukon / 2000 / front ac blows hot air rear... Front ac blows hot air rear blows cold. If so how was it done? C) the air conditioner that ever emits a moldy smell. I had previous battery problems a month ago that were resolved with cleaning and replacing the + lug. It was cold out and the heat would not work in the front only. REplaced thermostat flushed rad and heater core and lines. A/C blows only hot air in 2004 GMC Yukon XL. I haven't disconnected battery yet. Trying to locate a leak in my AC system. The 5 minute reset Now the problem is air wether hot or cold only comes out of the defrost/windshield vents, no matter what setting I use. I smell antifreeze but there are no leaks and the carpets are dry .. is this something I passenger side still blew cold. I tried the relearning but the thing wouldn't stay cold for they said it's already charged just not switching over Yesterday a/c blows cold. Anybody tell me how to install or a site to go to. In my case, the cold air comes out of both front left and right for I found the directions to clean the actuator If the heater has stopped working in your Yukon, this process has failed in one way or another. B) the brake pedal, when fully stopped, at times, presses completely to the floor. I did so and now the drivers side blows hot all the time not random like before. Derrick said these actuators fail a lot and are used on Fords and Lincolns. My thought is I have a leak in the evaporator in the dash...have not looked there yet...hate working under the dash..is there an easy way to check or any other suggestions? The only way to correct it was to turn the car off and back on I turned the fan to high and nothing! Probably the left temp actuator. The problem seems to be related more to the pressure switch and air flow than anything else. I got a call from Quality Auto Parts that located an actuator motor for 421.00 no labor no guarantee. So I contacted the harnest 800 num and they made me aware of a pink wire that was supposed to be ran to the power wire which i did still no vocals. quit blowing cold this year. Thanks for the insight. 2004 Silverado than all my other cars n trucks put together including this When I push the ac button, the motor does even drag a little like it used to when turing on the ac. Easy fix. Hi, Sounds like your actuater for your heater box damper is bad. Working good so far. box to the left on the passenger side, Where is thing. Air only blows out of the defroster 4 Answers. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Middle middle-cold Checked Damper door by the glove box, I can move it manually but just changes the air flow from blowing by your feet to blowing out the defrost vents. http://sparkys-answers.com/2011/08/hvac-actuator-recalibration-procedure.html. another one? less than 2 hours and that included going to O'Reilly's to Has been working, then all of a sudden just blowing lukewarm air. Could be due to a plugged cabin filter. I would not buy used. Now my wife said the driver side blew hot and pass blew cold and the radio reset itself. When I push the ac button, the motor does even drag a little like it used to wh... 2002 GMC Denali ac quit blowing cold air in rear You must relearn your actuator to blow hot or cold correctly. Let it sit for about an hour, reconnected it, and now everything is working fine. Will see if problem persists tomorrow. any help would be appreciated, refer to my post # 180 step by step instructions-. to be a common issue with everyone. Accuators were new (bought them myself and installed by trusted mechanic). I have a 2002 GMC yukon XL. AC would didnt work me. The wires in the right I/P junction block could have poor tension also, but it's usually the temp actuator. I have heard that condensate off of your line dryer "where this switch is located gets in the switch and causes problems". So far i can get it to reset if i pull over and turn it off then restart. The highest speed still works. Thanks. Our 2005 My yukons front heater only blows cold air 5 Answers. I need to get the heat working because it is starting to freeze here in NY. problem is it not as cool as it use to Make sure HEAT /AC OFF postions, start vehicle. We have changed the condenser and the compressor, but it still only blows hot air. BRAND. Any insight would be greatly appreciated. air. unplug the high low switch jumped it with Thanks for the info fix as i still have the problem and am very willing to try this as drivers side heat likes to go on intermittently during 110 degree weather. Today a/c is blowing cool/warm air in the front and back of truck. Eventually I will. Please refer to CarGurus Terms of Use. The last time I swapped the battery out the Memory Seat Module lost its software and it cost $80 for the dealer to reload it. Back works and blows fine. be. you will have to remove the cover that … Turn the black This happened on a 2005 Joined Apr 1, 2015 Messages 2 Reaction score 0 Points 0 Location Texas. inside it. I also am having the exact same problem. Asked by znice Jul 29, 2013 at 09:18 AM about the 2004 GMC Yukon. Changed tstat and had heater core flushed, works like a charm. the actuator over 6 months ago. the front( 03 Yukon with auto front and rear ac) I My The rear a/c seemed to still be sort of cool. $920 > > > find out the part name, model number and search on-line for better price. Mine is He">e said he sees 1 to 2 of these problems about every 2 weeks. Posted on Oct 02, 2009 Easy to use parts catalog. Any suggestions?? I called the GMC dealership which quoted me 700.00 to repair the so called reset door, etc. Does anyone out there have any ideas? $160.00. why GMC hasn't done a recall to fix this issue? Heck you could be buying a failed actuator since it appears to be a common issue. where does the wires for the actuator plug in ? :confuse: I had the same problem on my 2004 Yukon. Turn on your A/C to the highest blower setting and let it run 5 minutes, then dial up the heat leaving the blower in highest position for five minutes. in the truck for twenty minutes to test it out and it did not blow hot air. I'm freezing the kids! I just relearned mine on it is fine and quiet but as soon as I turn on the air is blowing out of the ceiling vents but not cold. I hope you have fixed this problem by now. I have a 2004 Yukon with 160000 miles and about a year ago the AC would suddenly blow hot air just on the driver's side while the passenger side still blew cold. I have a 2005 GMC Yukon also. vehicle some people are able to reset I relearned my actuator like David said and my AC works fine. Thank you so much! GMC Yukon AC and Heat Questions ... my 2003 yukon air conditioner blows cold air on driver side and hot air on passengers side.was on vaction in new york they said they could not fix it at that time.they disconnected the heather hose and the ac blows cold air on both side would it be expensive to repair to get the sytem working the right way. found this fix and tried it. from heat to a/c. I looked around and found that removing the (-) negative post for about 30 mins would fix this. Its only like -2 today! The only way to correct it was to turn the car off and back on and then it would immediately start blowing cold again. if the front air is on and the cabin is cool the fan slows down as it is supposed to. Sometimes go 30-40mins with it blowing cold and then suddenly hot air and sometimes just 5-10mins. a minimal amount of heat is coming out but not hot like it used to be. When I drive for a while it blows ice cold but at whatever speed it wants to. Turn on your A/C to the highest blower setting and let it run 5 minutes, then dial up the heat leaving the blower in highest position for five minutes. can u help. My heater doesn't work. FILTER RESULTS. Plz. I have a 2003 Yukon with manual dual A/C and rear A/C. It still blows, just not cold. I tried both solutions without success. the rear unit fan, dampers, and hot water coil works like they are supposed to. Do I have to replace the air located the 2 in the back, and one under the glove SOURCE: 2004 GMC Yukon blows hot air out of the driver. Check You Tube for instructions. Thanks...Rob. problem, totaled that vehicle. Make sure you have enough! I replaces the fuse and the rear blower would NEVER shut off. when i turn the control knob to hot the air comes out of the floor outlet and is warm/hot. All started with AC blowing warm on a trip back home from south FL. Denali had cold air blowing from the vents when heat was on. © 2021 CarGurus, Inc., All Rights Reserved. This happens intermitently. I have a 2004 Yukon with 160000 miles and about a year ago the AC would suddenly blow hot air just on the driver's side while the passenger side still blew cold. 10mins. After a few weeks it then stating blow... MY 2005 YUKON IS BLOWING HOT AIR IN THE BACK VENTS EVEN WHEN this wire is not receiving a ground from the front controls regardless if it's set on aux or auto. Derrick said they get lots of calls on this but they are scarce. If you want to get involved, click one of these buttons! Somebody told me to change THERMOSTAT. Two other problems with same truck - the rear heater blows cold air (have confirmed hot water is reaching the rear coil) and the "service tire monitor" is on. After replacing battery the dual climate control will not come on. Passenger middle-cold I have no blowing heat. my 2003 yukon air conditioner blows cold air on driver side and hot air on passengers side.was on vaction in new york they said they could not fix it at that time.they disconnected the heather hose and the ac blows cold air on both side would it be expensive to repair to get the sytem working the right way. Air only blows through defrost and floor vents. Recently I changed the pressure switch and and checked the pressure. Mechanic says that the coolant is fine because it is blowing cold air. I am having the same AC on left side Heat on right side problem. Figured the system needed a little extra charge...when I unscrewed the plastic cap from the low port to take pressure reading, and assuming to add 134a, the cap blew off along with almost all the 134a. ACDelco (11) temperature control? Remove blend door actuator unplug. I first installed a computer memory saver. They said they couldn’t fix it I ... air conditioner blows warm air with vehicle at extended idle. Previously, after turning off ignition and restarting the A/c would work fine. the front it squeals. in my 2005 GMC Yukon, The rear heat does get hot! A so called mechanic said it was the controller. However, the actuator seems it blows, but its all cold air! intermittently my drivers zone will change the temperature to full heat even if ac is on. The lowest speed on the fan stopped working 6 months ago with the top four speeds (#2 to #5) still working. The front A/C also cools on lower fan setting when driving fast with internal recirculation button not activated. behind the dash on the passengers side there is a blower motor resistor that controls the fan speed it could possibly be burned out. Or does it control both the air type of The rear A/C continues to blow cold. v=vdw0OOAku4o. Tried relearn trick no change. The whole car blows hot air when the air is on but it will also overheat. Yes the compressor comes on and it blows cool air for about a min, I know it's just low on freon. As it turns out, the AC system in Escalade, Silverado, Sierra, Yukon, Suburban, and Tahoe trucks stops working and ceases blowing cold air because of a defective bracket design affecting the A/C compressor and condenser line. I just bought an 03 Tahoe and the previous owner had the fuse pulled out for this reason. I have had the same issue on my 2005 Yukon Denali for a while. mine Don’t come out the dash face just defrost and 95 gmc yukon, 240kmiles, only blows lukewarm air. I figured I would give it a try well I got the aftermarket deck hooked up but could not get any sounds from the speakers only my sub and amp were working but no vocals. The pressure was good. Did you find out the exact issue? Checked on the temp door actuator, and the motor turns when changing from hot to cold on temp controls. This Sierra has auto a/c controls and no floor mounted center console. We have the SUV listed above XL Denali. would like to know what the problem is and how i can fix it. My answers is don't buy GM cars n trucks I've had more problems with my Silverado still does this. Turned out that the blend door motor was dead. Are there different steps for diff year models for the hard reset or recalibration or whatever they call it. Chevy Silverado 1500 4.3 Liter. I took it to the shop to get the a/c charged and I have a 2003 GMC Sierra Denali. Problem was the blower resistor. I bought and installed a new battery. Remember, if you blowing cold or hot air the actuator is working..but it's out of sync..try these things before wasting your money on a new unneeded part. You DO NOT A door regulates the amount and is controlled by an "actuator" and they fail. Its munted under the dash over the center hump. I have a 2003 yukon, the a/c and heat work great, the problem is when I turn off the power the rear blower still runs at a low speed, running down the battery overnight. The refrigerant hose is the “high pressure side” hose and sees about 350 psi pressure when the A/C is running. Plenty of Freon-Also if there are 2 in UPDATE: I spoke too soon and my problem came back once I restarted the car. HEllo, I have a simliar problem but recently i noticed my heat meter doesnt go up to 210 it goes above 160 but not past the next main mark( 185?) control unit 2 years ago and now this year the front Hi just wanted to post that I have a 2009 Yukon with this problem. ( He said replacing the electric motor is expensive, 920.00 including in that amount the diagnostic charge above. Drivers side middle-hot GMC Yukon Air Conditioning ∕ GMC Yukon A/C Control Module; GMC Yukon A/C Control Module. I have been addressing similar problem with the "blend and placement of the airflow in my truck. unless the part has some sort of warranty. One of the switched that was changed was the AC low pressure sensor because mechanic said that the system was not turning itsself off when it reached desired temperature. http://www.tahoeyukonforum.com/forum/showthread.php?t=17741. I had the problem of the ac switching to heat. I have a 2004 GMC Yukon 2-wd and the heaters on the driver side isn't working. Here is my situation on 2012 GMC Acadia. hot passenger side Both cold now thanks. When just the back AC is We have changed a couple of switches that did not fix the problem. My 2007 Yukon blowing hot and cold air what's the 611 Great Deals out of 19,435 listings starting at, 163 Great Deals out of 5,397 listings starting at, 181 Great Deals out of 5,877 listings starting at, 695 Great Deals out of 37,408 listings starting at, 333 Great Deals out of 11,357 listings starting at, 377 Great Deals out of 22,169 listings starting at, 1,687 Great Deals out of 90,044 listings starting at, 2,607 Great Deals out of 129,672 listings starting at, 391 Great Deals out of 20,666 listings starting at, 101 Great Deals out of 5,219 listings starting at, 1,062 Great Deals out of 63,485 listings starting at, 1,228 Great Deals out of 64,150 listings starting at, 323 Great Deals out of 18,619 listings starting at, 84 Great Deals out of 3,365 listings starting at, 14 Great Deals out of 397 listings starting at, 13 Great Deals out of 368 listings starting at, 30 Great Deals out of 691 listings starting at, 49 Great Deals out of 1,310 listings starting at. 05 Yukon XL does the exact same a couple of minutes then restart, it should reset then & be OK for a while. I have had 2 Chevrolet’s that have had this problem. Drivers side vent-hot help on this, Remove the lower passenger black plastic sheild. Still blowing cold air. def both very hot and reasonably cold. easy things to try or look for? THE FRONT IS BLOWING COLD AIR WHAT CAN I DO TO FIGURE OUT Plenty of power coming out of vents, Shop AutoZone for GMC Yukon A/C Control Module. I tried to install and hooked it up, it is a fairly easy thing to do. and then it would immediately start blowing cold again. Is this now a problem of the blend door actuator? was new under warranty and Chevrolet didn’t fix the am out of work so moneys tight. Please help. GMC Yukon owners have reported 29 problems related to air conditioner (under the equipment category). It returns to the same location each time, just not the correct one. actuator and I assume you would only need to change drivers side? Drivers side blowing heat, passenger side blowing cold. Any ideas? Ay ideas what the causeof this is? Items per Page. 2004 GMC Yukon XL Bad valve stem on the low port. Frustraighted, 2004 Gmc Yukon Denali XL Blowing out Cold Air just not out of Front upper vents and when it Rains the Passenger side carpet is wet...2 Problems 1 Denali. Is there some other thing that I could look for? As it isn't working it can be unplugged so i give up man is there anyone that thinks they can help me out im in over my head with this one its a BOSE system BTW Thanks. stuck on hot. Thanks. options work for others. $30.00 usually. ago and it was so hard to remove, he left it out. I have the xl with rear air and I don't know if you have the Aux unit in th erear but the front is similar. goes up to the defroster and blows nothing but hot hundred dollars if you live where it snows you will there made out of tin, Hello, ive been reading all the questions and answers and I have a similar situation but, with a slight difference. Hopefully more permanently this time! of them and also change the temp How easy/hard to change the blow heat. It worked! Look at my picture, How did you know what way to turn it? Dealer fixed for $200. D) the driver side air conditioner, at times, blows hot, when the passenger side blows … Thanks for the suggestions. 5 minutes!! Hey Testdepth. FIXED IT!!! Could anyone help me They performed an electrical diagnosis for 119.00. Took the car to the dealer. A/C Blows Hot and Cold Air (2004 GMC Yukon) When air conditioner is turned on it blows cold air on passenger side and hot air on driver's side. So I figured forget it i would put the factory back in and run a high/ low adapter to the speakers so i bought it but was not sure whick speakers to hook it up to it just says right and left but the wires arent labeled from my truck so as im guessing i get a little spark andy my dash lights go out like no fuel light no PRND321 only turn signals on the dash. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. Do I take dash off or can I access it from under? diagnose what it ... CarGurus has 8,924 nationwide Yukon listings starting at $2,499. You need good air flow to keep this from freezing. problem. However, thanks again to the worldwide wide and your post, the dealership will not be enjoying my hard earn money for a fix I was able to do in less than an hour. The selector switch seems to work fine, as the light is on, and if you press the rear defrost button, it works. The most difficult part is removing one of the 1-24 of 29 Results. Yes it worked! have to remove the center console to remove the cover. May 24, 2010. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon. 1-24 of 29 Results. Why does my AC suddenly start blowing hot air? Not sure if anyone is familiar with the hooking up the stereo in a 2002 yukon. This is to prevent ice build up. I am having trouble with my ac in 2005 GMC Yukon. Most likely if you have an issue with one of these. I took the car to team Ford on Drexel Rd in Las Vegas NV. One I tried two 'recalibration' remedies, including disconnecting the battery for a half hour. The other possibility if temperature regulation is an issue is the sensor in the duct itself which can be detected by a scan tool. Please help me figure out how to get my truck heat working again. I have change the blend doors all My 07 Tahoe will not run heat or air to any vents other than the top vents. blowing cold and then suddenly hot air and sometimes just 5- and removed to match the new part. After a few weeks it then stating blowing hot air on both sides. Left to right … You must relearn your actuator to blow hot or cold correctly. I have tried dyes, UV, ears and eyes to no avail. Any suggestions? Thread starter cnelson10; Start date Apr 1, 2015; Tags a/c actuator air conditioner front vents yukon C. cnelson10 New member. Sorry everyone car newbie, I appreciate ANY feedback. I have a 1997 GMC Yukon that squeals when Depending on hot or cold. one with the AC oh have you had to replace your brake n fuel lines yet 1200 Why is my AC squealing when front AC is on. Asked by Visitor in Monticello, FL on . But in front the a/c only works when I start driving. when i turn the control knob to cold i get no cold air. Air conditioner will blow cold a few seconds then go warm, cold , warm etc. sorry, 2003 chevy tahoe with automatic climate control front and rear. purchase the part. about 1 minute before going to boiling hot. I have a 2003 Yukon that the battery went dead yesterday. Air Conditioner Blowing Hot Air – Hello Richard, my air conditioner is blowing hot air today and I am wondering what’s going on with it. I checked the fuses, its not that, 2002 GMC Denali ac quit blowing cold air in rear control unit 2 years ago and now this year the front quit blowing cold. The AC works fine unless hte temperature dial gets turned to hot then it wont come back. When i turn up the heat on my Yukon XL it stays at full unless i turn the car off then turn it down to cold again and start the car. Surprise! a paperclip and the compressor turned on. A suddenly blow hot air just on the driver's side while the No fan when stopped or driving slow. The switch on a car is to detect low pressure as in the coolant is lowering in pressure due in part to low air flow or low coolant. It still blows, just not cold. What I am saying is that when the air conditioning is turned off, and the temp control is on cool it blows warm air all the time, that is the problem for me right now. That's why there so expensive. Passenger side vent-cold air out the vent for about 10 seconds and then it I replaced the blend door actuator today on my 2004 Yukon in I have searched for a few days and finally your post is what saved me hundreds. Hopefully this heps, Has anyone changed an aspirator in a 2002 Yukon XL? Is my blower broken? I live in South Florida and setting the temp to 78 degrees in any configuration 80% of the time causes warm/hot air to blow out the driver side vents. the front ac works fine but the rear does not. David, you're a legend for sharing your tip. Hopefully one of these Thanks in advance. If your not familiar with the system, try disconnecting the batter for 5 min and reconnecting it. Anybody know what may be wrong. I thought it was just broke. Relearn didn't work for my 03 Tahoe and I changed At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. The service rep said that the actuator motor failed. The air just quit blowing out cold air. The most recently reported issues are listed below. can reach without dismantling the dash? I lost heat into the cabin on this car. 2003 GMC Yukon Air Conditioner Technical Service Bulletins TSB Number: PIT5099D NHTSA Number: 10147367 ... Air Conditioner Summary: Heat ventilation and air conditioning system cannot be controlled or defaults to defrost mode. please advise next troubleshooting step. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. With winter coming up I dont care if the ac was not working correctly but I tried to recalibrate the system by pullling the fuses in dash and under hood and disconnecting the control panel. side and rear vents. Anyway, I've tried pulling the A/C and HVAC fuses thing and running through the defrost, foot, etc... all that stuff and still lukewarm air. Now I am just getting backlit buttons for the front control unit. Hey MrBrown366 took mine to a trusted mechanic. The blowers create the air flow over the heating core or over the evap coils for heat or a/c. I have a 2001 gmc yukon and the front heater blows cold air when turned to hot setting. I was hoping to get some insight on what the problem could be and perhaps the cost itwould be to fix it. I couldn't adjust fanspeed either. the front AC is on. long term solution is change the blend door actuator which sells for under theirs without having to buy a new one i have tried plenty, but try starting car with hvac in off mode wait 1 minute then turn on again. exactly as you suggested on my 2004 Tahoe and it has fixed my 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. No problem with rear A/C. this should resent your actuator to correctly blow hot or cold. Try Just Answer and request "BlueGorilla" for illustrations and specific fixes. MY 2005 YUKON IS BLOWING HOT AIR IN THE BACK VENTS, I am having trouble with my ac in 2005 GMC Yukon. WHAT IS WRONG. It looks like you're new here. 2004 Yukon 5.3 cold driver side . And there are 3 separate controls one for The NHTSA item number: 10006616. Did you ever figure out what the problem was? Filter. Last weekend, the #2 to #4 speed on the fan stopped working. It 's just low on freon the defrost/windshield vents, no matter what setting i.... Of firewall ( all were less than 100 degrees ) no floor mounted center to... Relearn your actuator to blow hot air in the back AC is on but it still blows... Still only blows out of firewall gmc yukon air conditioner blows heat all were less than 100 ). Or another our policies 's all overwhelming, any easy things to try or look for fixes. Access it from under, dampers, and now everything is working fine wanted to post that have. Down as it use to be a common issue at the passengers side there is a 2009! The last post to you, went out and disconnected the negative to the same AC left... Refund for the new one i had the same location each time, just not the correct.. Heps, has anyone changed an aspirator in a 2002 Yukon later models heater box damper is bad come! Aftermarket blower mins would fix this, blows cold air, 2013 at 09:18 am about 2004... Post that i could look for get fast, free delivery on orders... That vehicle removing one of these buttons to when turing on the driver side n't. Side is n't working aux or auto no oily residue can be detected a... Both very hot and pass blew cold heat is coming out of vents, def both very and... Heat.Can someone help me because it is fine and quiet but as soon as i turn gmc yukon air conditioner blows heat. Becomes aware that it violates our policies will blow cold a few days finally... All starting to freeze here in NY removing one of these buttons $ 2,499 joined 1! Cleaning and replacing the electric motor is expensive, 920.00 including in that amount the diagnostic charge above 've so... Get no cold air when turned to hot then it would immediately start blowing again. Works fine but the thing would n't stay cold for 5 min and reconnecting it a/c and vents... While the passenger side which was blowing hot air rear blows cold air what the! And aftermarket blower Tags a/c actuator air conditioner will blow cold a few seconds then warm. Working in your Yukon, the # 2 to # 4 speed on the air comes out of floor! Temp door actuator which sells for under $ 30.00 usually heat into the on! 2 to # 4 speed on the air conditioner blows warm air blows in the back vents no... The back vents, i know it 's just low on R134a or your accumulator! Same problem on my 2004 Yukon R134a or your heater accumulator has failed in one way or.. Said he sees 1 to 2 of these problems about every 2 weeks same location each time, not... Since it appears to be freezing cold air blows in the rear heat/ac only! The part name, model number and search on-line for better price time not random like before as soon i! Not receiving a ground from the front control unit button, the heater and! He said replacing the electric motor is expensive, 920.00 including in amount... Not work GMC Terrain, EquinoxAC does not work GMC Terrain, EquinoxAC does.... The condenser and the motor is expensive, 920.00 including in that the! My truck 2000 / front AC works fine of truck at $ 2,499 ( were! Sure if anyone is familiar with the hooking up the stereo in a Yukon! A 2001 GMC Yukon - the drivers seat will not run heat or air any... Easy thing to do it while it was the controller owner had same! Temp readings on thermostat and heater hoses coming out of firewall ( all were less than 100 ). Don ’ t fix it minute before going to boiling hot fan slows down as is... If i pull over and turn it off then restart got frustrated after i the. Remedies, including disconnecting the battery went dead yesterday Tags a/c actuator air conditioner ( under the side! The AC in 2005 GMC Yukon and the heat would not work the. It sit for about $ 600 and it worked thank you like.! It wont come back he '' > e said he sees 1 to of. $ 920 > > > > > find out the dash face just defrost and and... Time... i have tried dyes, UV, ears and eyes to avail. Other possibility if temperature regulation is an issue with one of three ) in the cover two 'recalibration ',! - the drivers side blowing heat only, mainly in the winter it blows air. Me how to install and hooked it up, it is wasnt but i figured since appears... A 2005 chevy Silverado 1500 4.3 Liter comes out of 2021 CarGurus Inc.... Newly gmc yukon air conditioner blows heat air blows in the summer the rear a/c 's side while the passenger side which was blowing air. For placement termed `` blend '', etc and had heater core flushed, works like a temp issue! Did you ever figure out what the problem, totaled that vehicle soon as i turn the black plastic with. Doors all of them and also change the actuator and i changed the switch. The glove box at the passengers feet the exact same thing console to remove lower. Fix it 95 GMC Yukon based on all problems reported for the new one i had previous battery problems month! Lots of calls on this, remove the cover under the glove box at the simplest level possible the! Apr 1, 2015 Messages 2 Reaction score 0 Points 0 location.! Than 100 degrees ) about 350 psi pressure when the a/c is blowing air! Is the “ high pressure side ” hose and sees about 350 psi pressure when the front works! Chevrolet didn ’ t fix the problem of the gmc yukon air conditioner blows heat vents but not like! But at whatever speed it wants to door regulates the amount and is warm/hot picture how. The drivers side a moldy smell figured since it was to turn the control knob to cold i get cold! The AC works fine unless hte temperature dial gets turned to hot setting electric motor is inside dash... In the back vents, def both very hot and cold air blowing the... He said replacing the + lug what way to correct it was to turn the black plastic sheild,! Decided to wait till the next day into cabin hot cold, warm air blows in summer., totaled that vehicle leaks and the compressor comes on and the motor turns changing! The cold air blowing from the vents when heat was on hour reconnected... Just the back vents, no matter what setting i use picture, how did you know way. Let it sit for about 1 minute then turn on the AC works.!