Tahoe Rear Air Blows Hot

Have to hit the back right wall where the rear ac motor sits and it turns on. ca, votre rendez-vous quotidien pour découvrir des sujets liés au style de vie : Mode, Beauté, Maison, Passions, Mieux-être et Recettes. The refrigerant hose is the "high pressure side" hose and sees about 350 psi pressure when the A/C is running. SalutBonjour. I have a 2004 GMC Yukon XL that the front blows cool air then it gets hot and goes back. They also provide a more comfortable ride by absorbing road shock and improving roll stability. The weird thing is that the rear heater blows out. the back will be freezing cold and the front not. 2006 Tahoe with no rear heat- fix Fixing Car AC That's Blowing Hot Air. Everytime I restart the key and turn a/c on the door actuator cycles back and forth once then stays on the hot side. What's wrong? My Mercury Villager(2001) front A/C blows warm air,At that time rear blows cold air,Any suggest how to fix it?. Features:. Hello, The settings on my car there is no air blowing out of my vents either it is on AC or Heat, when the setting is at High the air is working fine. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. When I bought this truck 3 months ago the air would blow but it was all hot air. AC would suddenly blow hot air just on the driver's side while the passenger side still blew cold. Both lines at the rear evaporator are warm when I fully load the a/c on max, one is just a bit warmer than the other; unlike the front where the one line is so hot you can't. How can I fix this and get everything bck to normal - 1992-1999 Chevrolet Tahoe. I have a 2004 Chevy Tahoe Z71 5. With rear seats folded. Can anyone give me any idea what is wrong and what. My 2005 Tahoe hava AC giving hot air problem. This happens intermitently. RFulton: Need help with front and rear air for my 2005 Tahoe with dual zone automatic HVAC because it was blowing cold on driver side when temp was turned up all the way. Had system recharged but still doesnt work. My husband is pretty mechanical & we were looking to see where the AC runs from the front to the back. If your car’s air conditioner isn’t working properly and is blowing hot air then one of these systems isn’t doing its job properly. Find the procedure in a shop manual (at auto parts stores for about $20). This 2004 Chevrolet Tahoe came in with the complaint that the air on the driver’s side would change from cold to hot while driving down the road. The vehicle is summit white with a gray cloth interior. I have a 2000 Chevy Tahoe 5. Hot air continuously blows out of the vents, even with the AC off. Addiction Recovery is Possible! Helping those Struggling with Alcohol or Drug Use. HeaterTreater has a perfect success record on all of our products. I was doing some research and everybody else talks having the driver side blowing hot and the passenger ice cold. The front AC is in working order. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. AC would suddenly blow hot air just on the driver's side while the passenger side still blew cold. The rear unit operates fine. You may be able to save a lot of time and money by trying to troubleshoot car problems yourself. Find the procedure in a shop manual (at auto parts stores for about $20). My Tahoe only blows hot air (very hot air) out of the front heating/AC unit. Where is 2003 chevrolet tahoe ecu fuse I need to reset the ECU on a 2003 Tahoe. is See More 2004 Chevrolet Tahoe Questions. I have a 2004 Chevy Tahoe Z71 5. My '01 Tahoe's front a/c system works fairly well while driving but starts to heat up at idle or parked. I have a 2001 Tahoe and when I turn the temperature selector knob to full hot that's what I get, even when I turn the temperature selector knob back to full cold -- it still blows full hot. 5l 8 cylinder 8cyl diesel engine. I replaced the the damper switch I think it was called. Easy to install and use. I was doing some research and everybody else talks having the driver side blowing hot and the passenger ice cold. Short term health insurance : Save Money Today on Health Insurance! Get a Bang for Your Buck. Chevy Forums FREE technical assistance for your restoration and repair. I noticed yesterday that my rear a/c is blowing hot air, but intermittently. Hello I have a 2006 yukon denali xl. - Answered by a verified Chevy Mechanic. THEN, while I'm still driving, the hot air thats blowing turns into cool air. and ice cold air in the rear. My '01 Tahoe's front a/c system works fairly well while driving but starts to heat up at idle or parked. Starting in 2007, most vehicles use a TRW-, Schrader- or VDO-manufactured system that all share the same relearn procedures and behaviors, with only a few exceptions (like the […]. See a list of the units with the highest failure rates from 1995 through the 2010 model year. 3L EcoTec 3 engine. Chevy Suburban and Tahoe AC and Heater Problems It wasn't blowing hot air - it was just blowing. A new door actuator costs less than $100. My 2005 Tahoe hava AC giving hot air problem. 1998 Chevy Tahoe 5. 93 Civic compressor. It's extremely tight but if you look or feel with your hand under the drivers side all the way against the console, there is a white plastic lever arm that should move when you adjust the temperature knob between hot and cold. I got a 2004 Tahoe Z71 and the rear air is blowing cool when the heat is hot in the front, I have tried letting the kids control in the back and still does same thing. The rear heat seems to work fine. After I fiddle with the switches, start/stop the a/c, and sometimes shut down and restart the truck, it will work properly. 2004 Chevy Trailblazer rear ac air conditioner blower location. I have a 1999 Tahoe and the rear air blows hot. I have a 2004 GMC Yukon XL that the front blows cool air then it gets hot and goes back. what - Chevrolet 2002 Tahoe question. Hi, I have a 2007 GMC Yukon & teh rear AC blows hot on all speeds & on Cold. Any ideas or tips I could try to check out? Thanks, guys!. Dec 5, 2008 - 10 posts - ‎7 authors 2001 Tahoe, the front heater blows a little hot air when the car warms up and then blows cold air. How to Diagnose a Non Working Air Conditioning in a Car. How much car air conditioning should cost. Adding Freon to Car AC – Gauge Readings Explained. 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. If your car’s air conditioner isn’t working properly and is blowing hot air then one of these systems isn’t doing its job properly. 2001 F250 Ac Blows Out Defrost. I have a 2001 Tahoe and when I turn the temperature selector knob to full hot that's what I get, even when I turn the temperature selector knob back to full cold -- it still blows full hot. Rear heater not blowing at all. I have no idea why but just turn the vehicle off and back on. Also, luckily, the traffic starts to disappear and we start to move again. After I fiddle with the switches, start/stop the a/c, and sometimes shut down and restart the truck, it will work properly. Read the latest stories from National Geographic's Great Energy Challenge. I have a 99 mustang convertible 3. Comprssor kicks in and stays on it does not cycle like its low on. 1998 Chevy Tahoe 5. The rear heat seems to work fine. 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. my 2004 Tahoe blows cold air when going 35mph or more but blows hot air vwhen going slopw or stopped at a light. A new door actuator costs less than $100. I believe I have an actuator issue on my 2007 Chevy Tahoe Justanswer. Expect to pay $100-$300 to have a technician inspect and evaluate the air conditioner, including checking all hoses, belts and connections and then topping it off with fresh refrigerant, possibly with dye included to check for leaks, or (if the. Hi, I have a 2007 GMC Yukon & teh rear AC blows hot on all speeds & on Cold. Rear A/C alternating between cold and hot I have a 2002 Tahoe that is having some problems with the rear a/c. See a list of the units with the highest failure rates from 1995 through the 2010 model year. 3L V8, when I am driving normally and have the A/C running the drivers side blows out ice cold air conditioning but the passenger side blows out HOT air. ca, votre rendez-vous quotidien pour découvrir des sujets liés au style de vie : Mode, Beauté, Maison, Passions, Mieux-être et Recettes. I have a 1999 Tahoe and the rear air blows hot. Rear heater not blowing at all. The gauge showed that the system was low and I started to fill the system. Can anyone give me any idea what is wrong and what. Hi, I have a 2007 GMC Yukon & teh rear AC blows hot on all speeds & on Cold. I have a 2004 Chevy Tahoe Z71 5. Tahoe & Suburban - 07 Tahoe Hot Air From Rear A/C (been to dealer 4x) - Hey guys (sorry for the length of this message), First off I appreciate the wealth of knowledge available here, and if possible, could really use some suggestions. Speeding up tsunami wave propagation modeling. Today, I decided to purchase the EZ-CHILL from Advanced Autoparts to recharge my system (low-side). For emission-related recalls, GM works with the U. Two days ago I decided to turn on my AC to make sure it was working plus it was hot that day. My 2005 Tahoe hava AC giving hot air problem. Offering a complete line of air and coil suspension components, parts, and kits for hot rods, pro touring, trucks and aftermarket applications of all kinds. Each day, nurses working in the addiction treatment field provide direct care. Is your ML blowing hot air even though you have the AC on cold setting? A common problem with the ML320 / ML430 is the AC getting stuck on Hot or Cold setting. And the drivers side works as advertised with the other actuator installed. I have a 2004 GMC Yukon XL that the front blows cool air then it gets hot and goes back. What is the - Answered by a verified Chevy Mechanic. My Tahoe only blows hot air (very hot air) out of the front heating/AC unit. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. Easy to install and use. 01 Tahoe rear A/C lines humming. Our rear ac only blows hot. The dealer recharged the system 2 weeks ago for $140 and now it is back today because it just isn't right. The back air is working great, but it is a separate unit. I live in Washington DC where we have 3 months of hot weather, this Tahoe hasn. The gauge showed that the system was low and I started to fill the system. 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. Rear A/C alternating between cold and hot I have a 2002 Tahoe that is having some problems with the rear a/c. Alert for new Listings. 2002 GMC Denali ac quit blowing cold air in rear control unit 2 years ago and now this year the front quit blowing cold 1 Answer. Dorman Products - 599-260 : Remanufactured Climate Control Module. The front and rear where blowing warm air with the temps set at 60 degrees max. I hear a clicking sound for a few minutes and then the hot air comes out. The front AC is in working order. A furnace contains an internal sail switch, that senses the air flow. I have a 03 chevy suburban just replaced ac compressor and dryer and have no air leaks out in a hour added dye to the system and no visual leak detected anywhere under the hood but it all leak out the vehicle has rear unit that blows hot too could I have a leak in the rear what’s my next step please help in puzzled with this one. 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. Can anyone give me any idea what is wrong and what. 3L V8 Engine 164,000 Miles 4X4 works like it should Blows Cold Air/Hot Heat Dual/Rear Climate Power windows locks mirrors seat Bose Speakers CD Player Pretty good tires Clean title Any questions Call or Text Brandon 5013669728. But there is two lines under the hood that looks like aircondition lines sets under the air conditioner tank that the aircondition lines from the air conditioner pump goes to. com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. Now that it is starting to warm up we just had our car packed with 7 adults over the weekend for a wedding and went to use the rear a/c for them and it was blowing hot air. It has approx 47,000 miles on it this far. Stops working when hot. 1997 Chevrolet Tahoe - Timbren Rear Suspension Enhancement System. 2004 Chevy Trailblazer rear ac air conditioner blower location. What's wrong? My Mercury Villager(2001) front A/C blows warm air,At that time rear blows cold air,Any suggest how to fix it?. If your car’s air conditioner isn’t working properly and is blowing hot air then one of these systems isn’t doing its job properly. For emission-related recalls, GM works with the U. A/C all of sudden blows hot air - Chevy Message Forum - Restoration and Repair Help. A new door actuator costs less than $100. When the air conditioner in your 2015 Chevrolet Tahoe starts blowing hot air, you likely have a freon leak. HOW TO FIX REAR A/C IN YOUR YUKON OR TAHOE. The back air is working great, but it is a separate unit. Since the turbo is mounted at the rear of the car, there is no added heat build-up and the system is cooled from fresh ambient air, which creates denser exhaust molecules to propel the turbo's. 3L EcoTec 3 engine. I switched the two actuators to see if one was bad, but the same thing happened. Eight of these vehicles are in dealer stock and will be repaired before being sold. Upgrade your Chevrolet Tahoe's rear coil spring suspension with this kit. At first it would only blow out hot air. A furnace contains an internal sail switch, that senses the air flow. If the air flow is not sufficient then the switch will prevent the furnace from igniting and the fan will run but you will get no heat. Chevy Suburban and Tahoe AC and Heater Problems It wasn't blowing hot air - it was just blowing. Skip navigation Sign in. I have no idea why but just turn the vehicle off and back on. my 2004 Tahoe blows cold air when going 35mph or more but blows hot air vwhen going slopw or stopped at a light. Front air blows cold. Stops working when hot. I have a 1999 Tahoe and the rear air blows hot. What is the - Answered by a verified Chevy Mechanic. NASA Astrophysics Data System (ADS) Lavrentyev, Mikhail; Romanenko, Alexey. The dash vents are blowing warm air while the rear seat vents up by the roof are blowing very cold air. Does the front and the rear have independant refigerant lines? Can the front have a leak and the rear does not? Any ideas? Thanks, Chris. It is equipped with a 4 speed automatic transmission. It is getting cold in Colorado and my daughter is freezing in the rear seats. front ac blows hot air rear blows cold Just recently my denali started blowing hot air out of the front vents,while the rear was still blowing cold air. Providing Care and Compassion for Everyone. , OH (2005 Chevrolet Tahoe LT 5. When I bought this truck 3 months ago the air would blow but it was all hot air. Family of Three?. It's extremely tight but if you look or feel with your hand under the drivers side all the way against the console, there is a white plastic lever arm that should move when you adjust the temperature knob between hot and cold. The front a/c works great. When the air conditioner in your 2015 Chevrolet Tahoe starts blowing hot air, you likely have a freon leak. Skip navigation Sign in. Our rear ac only blows hot. GM TPMS systems on Buick, Pontiac, Chevy, GMC, Cadillac and Hummer models are some of the easiest to service if you have the right tools and knowledge. After I fiddle with the switches, start/stop the a/c, and sometimes shut down and restart the truck, it will work properly. Trans-oceanic wave propagation is one of the most time/CPU consuming parts of the tsunami modeling process. But there is two lines under the hood that looks like aircondition lines sets under the air conditioner tank that the aircondition lines from the air conditioner pump goes to. My 2005 Tahoe hava AC giving hot air problem. When I start the car up, it blows ambient on drivers, cool on passenger. Environmental Protection Agency and the California Air Resources Board. If I turn the motor off and let it sit for about a minute, then start it again, the air will blow cold at the cold setting. This was serviced for the same issue about a year and a half ago” Taylor P. Just by accident, I found that if I pull over and turn the car off and then turn it back on, the A/C resumes. Cargo and load capacity limited by weight and distribution. The rear unit operates fine. Upgrade your Chevrolet Tahoe's rear coil spring suspension with this kit. But there is two lines under the hood that looks like aircondition lines sets under the air conditioner tank that the aircondition lines from the air conditioner pump goes to. AC would suddenly blow hot air just on the driver's side while the passenger side still blew cold. 01 Tahoe rear A/C lines humming. Chevy Tahoe Expansion Block and Orifice Tube Locations With Front and Rear A/C, the Expansion Block/Orifice Tube is located in a Y-shaped junction block in the. 3L EcoTec 3 engine. 2004 Chevy Trailblazer rear ac air conditioner blower location. I spoke with the dealership and they have voiced I would have to pay for diagnostic procedures and repair. It was working in the morning fine, but in the afternoon I was having issues. This 2004 Chevrolet Tahoe came in with the complaint that the air on the driver's side would change from cold to hot while driving down the road. My rear climate control only blows cold air but never seems to blow hot air. Sounds like a faulty air mix actuator to me. What's wrong? My Mercury Villager(2001) front A/C blows warm air,At that time rear blows cold air,Any suggest how to fix it?. About twice a week the driver side will switch to hot air while the passenger side still blows cold. Since the turbo is mounted at the rear of the car, there is no added heat build-up and the system is cooled from fresh ambient air, which creates denser exhaust molecules to propel the turbo's. I quickly checked the controls to make sure I didn't have it on heat. So if your cigarette lighter fuse keeps blowing over and over again, that’s a very good indication that there is some type of underlying problem that needs to be dealt with. I have a 2004 Chevy Tahoe that intermittently blows hot air when the A/C is on. 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. Comprssor kicks in and stays on it does not cycle like its low on. Our rear ac only blows hot. It's extremely tight but if you look or feel with your hand under the drivers side all the way against the console, there is a white plastic lever arm that should move when you adjust the temperature knob between hot and cold. 1,000-lb Capacity. The 2004 Chevrolet Tahoe has 12 problems reported for heat actuator problem, ac switches to hot air. HeaterTreater has a perfect success record on all of our products. But if your car heater blows cold air and you’ve checked both heater core hoses to make sure they’re hot, you likely have a bum blend door actuator. Please also check out the statistics and reliability analysis of the 2015 Chevrolet Tahoe based on all problems reported for the 2015 Tahoe. I have a 03 chevy suburban just replaced ac compressor and dryer and have no air leaks out in a hour added dye to the system and no visual leak detected anywhere under the hood but it all leak out the vehicle has rear unit that blows hot too could I have a leak in the rear what’s my next step please help in puzzled with this one. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a. What's wrong? My Mercury Villager(2001) front A/C blows warm air,At that time rear blows cold air,Any suggest how to fix it?. Addiction Recovery is Possible! Helping those Struggling with Alcohol or Drug Use. GM will notify owners, and dealers will inspect the rear axles, and replace any that were improperly heat-treated, free of charge. My '01 Tahoe's front a/c system works fairly well while driving but starts to heat up at idle or parked. Sounds like a faulty air mix actuator to me. Due to an improper heat-treatment, the rear axle shaft may fracture while the vehicle is being driven. No matter what I try, the only proven way to get cold air to blow again is to shut the engine off, wait around 5 seconds, then crank back up. Both lines at the rear evaporator are warm when I fully load the a/c on max, one is just a bit warmer than the other; unlike the front where the one line is so hot you can't. I was doing some research and everybody else talks having the driver side blowing hot and the passenger ice cold. In a nutshell, my compressor failed last last summer and I limped along until it was cool enough to not need AC here in NC. Excursion - King of SUVs - Rear A/C blowing warm and front blowing cold - The front a/c blows cold air but the 2nd row and back blows warm. Our rear ac only blows hot. Now I'm going about 80mph with the fan and temp as high as they can go, and tach comes back down a little lower than halfway, where it should be. - Answered by a verified Chevy Mechanic. Have to hit the back right wall where the rear ac motor sits and it turns on. I have a 2004 Z71 with dual climate control. I have a 2004 Chevy Tahoe Z71 5. 3L V8 Engine 164,000 Miles 4X4 works like it should Blows Cold Air/Hot Heat Dual/Rear Climate Power windows locks mirrors seat Bose Speakers CD Player Pretty good tires Clean title Any questions Call or Text Brandon 5013669728. Our First Concern is Your Well Being. 2004 Chevy Trailblazer rear ac air conditioner blower location. See a list of the units with the highest failure rates from 1995 through the 2010 model year. Sounds like a faulty air mix actuator to me. 5l turbo diesel!! We sold this 6 years ago to a customer and great friend. com I believe I have an actuator issue on my 2007 Chevy Tahoe. 1998 Chevy Tahoe 5. Rear Air Conditioning and Heating System and Electronic Climate. They also provide a more comfortable ride by absorbing road shock and improving roll stability. I have a 2004 GMC Yukon XL that the front blows cool air then it gets hot and goes back. Tahoe & Suburban - 07 Tahoe Hot Air From Rear A/C (been to dealer 4x) - Hey guys (sorry for the length of this message), First off I appreciate the wealth of knowledge available here, and if possible, could really use some suggestions. The 2004 Chevrolet Tahoe has 12 problems reported for heat actuator problem, ac switches to hot air. I have no idea why but just turn the vehicle off and back on. I drive a 2001 Ford Ranger and the ac ONLY blows out of the defrost vents? The air blows cold, but will only come out of the defrost vents no matter what option I turn the knob to. do NOT contact me with unsolicited services or offers. Short term health insurance : Save Money Today on Health Insurance! Get a Bang for Your Buck. 2002 GMC Denali ac quit blowing cold air in rear control unit 2 years ago and now this year the front quit blowing cold this year. Hi, I have a 2007 GMC Yukon & teh rear AC blows hot on all speeds & on Cold. However, you can reduce all that stress by getting a complete fireplace and stove vent kit from eFireplaceStore. Where is 2003 chevrolet tahoe ecu fuse I need to reset the ECU on a 2003 Tahoe. The rear unit operates fine. After doing this the air conditioner will blow hot air for no reason. Your front ac blows cold but your rear ac blows hot what's wrong? 18 19 20. Easy to install and use. The truck only blows hot air when ac is blowing cold air up front. Stops working when hot. The front AC system also has a problem. 93 Civic compressor. How to Diagnose a Non Working Air Conditioning in a Car. Chevy Tahoe Expansion Block and Orifice Tube Locations With Front and Rear A/C, the Expansion Block/Orifice Tube is located in a Y-shaped junction block in the. - Answered by a verified Chevy Mechanic. It blows air but is not hot or cold. Get Free, Instant Help � Call. Now I'm going about 80mph with the fan and temp as high as they can go, and tach comes back down a little lower than halfway, where it should be. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. 3L EcoTec 3 engine. Tahoe & Suburban - 2001 Tahoe with Rear AC only; front AC blows ice cold, rear is hot - Hello all, I found this forum board while searching the net for help with my Tahoe AC problem. Getting to the root of the problem can take some time and effort, but we have simplified the process by providing you with the most common A/C problems along with how to resolve these problems once they’re discovered. 3L V8, when I am driving normally and have the A/C running the drivers side blows out ice cold air conditioning but the passenger side blows out HOT air. I have an '03 Yukon SLT that has rear air/heat (which can also be controlled individually in the rear if desired). I got a 2004 Tahoe Z71 and the rear air is blowing cool when the heat is hot in the front, I have tried letting the kids control in the back and still does same thing. 2002 GMC Denali ac quit blowing cold air in rear control unit 2 years ago and now this year the front quit blowing cold this year. When it shifted to hot the customer could not get it to turn back cold. Used 2017 Chevrolet Tahoe Premier SUV Review (17) a rear-wheel-drive Tahoe can tow up to 8,600 pounds. Hello I have a 2006 yukon denali xl. The dealer recharged the system 2 weeks ago for $140 and now it is back today because it just isn't right. GM TPMS systems on Buick, Pontiac, Chevy, GMC, Cadillac and Hummer models are some of the easiest to service if you have the right tools and knowledge. But there is two lines under the hood that looks like aircondition lines sets under the air conditioner tank that the aircondition lines from the air conditioner pump goes to. My husband is pretty mechanical & we were looking to see where the AC runs from the front to the back. A new door actuator costs less than $100. I purchased a brand new 2016 chevy Tahoe last year. Speeding up tsunami wave propagation modeling. Family of Three?. 2004 Suburban/ Tahoe Rear Heat/AC not blowing Kevin LaRoche. Tahoe & Suburban - 07 Tahoe Hot Air From Rear A/C (been to dealer 4x) - Hey guys (sorry for the length of this message), First off I appreciate the wealth of knowledge available here, and if possible, could really use some suggestions. NASA Astrophysics Data System (ADS) Lavrentyev, Mikhail; Romanenko, Alexey. is See More 2004 Chevrolet Tahoe Questions. I have no idea why but just turn the vehicle off and back on. After a little more playing around I found out that the one that directs air to either above passengers or at the feet also dosent work. Expect to pay $100-$300 to have a technician inspect and evaluate the air conditioner, including checking all hoses, belts and connections and then topping it off with fresh refrigerant, possibly with dye included to check for leaks, or (if the. Since the turbo is mounted at the rear of the car, there is no added heat build-up and the system is cooled from fresh ambient air, which creates denser exhaust molecules to propel the turbo's. com I believe I have an actuator issue on my 2007 Chevy Tahoe. 3L EcoTec 3 engine. The rear unit operates fine. Learn more about the 2004 Chevrolet Tahoe. Sounds like a faulty air mix actuator to me. Recently when running the AC, it will randomly begin blowing hot air instead of cold. Offering a complete line of air and coil suspension components, parts, and kits for hot rods, pro touring, trucks and aftermarket applications of all kinds. heater blows cold air A/C stopped working heater core engine This time A/C in front and rear stopped working. Related Car Repair Articles and Products. Easy to install and use. 1997 Chevrolet Tahoe - Timbren Rear Suspension Enhancement System. Until the engine warms up, there’s no heat for the heater core to extract. Fuses are designed to fail safely before any damage is done to the wiring or devices in your car. 2001 Chevy Tahoe Heat Problem - Tahoe Forum www. Sounds like a faulty air mix actuator to me. Any ideas of what is causing this problem?. I switched the two actuators to see if one was bad, but the same thing happened. I manually fixed the problem with the hot air, but am not sure what controls the blend door actuator. Since the turbo is mounted at the rear of the car, there is no added heat build-up and the system is cooled from fresh ambient air, which creates denser exhaust molecules to propel the turbo's. That did not fix the problem. EPA-estimated MPG city/highway: Tahoe 2WD 15/22, 4WD 15/21. 2002 Tahoe a/c blows hot air and the rear a/c doesn't work at all. BUT I still have. I live in Washington DC where we have 3 months of hot weather, this Tahoe hasn. My '01 Tahoe's front a/c system works fairly well while driving but starts to heat up at idle or parked. Speeding up tsunami wave propagation modeling. My husband is pretty mechanical & we were looking to see where the AC runs from the front to the back.