shut truck off for a while then blow cold for 10 minutes then hot. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. If you put too much coolant into the system, you can really do some damage. RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC. Ok, so now that … Continue reading "2004 GMC Yukon … If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. 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 touch it. The A/C system in your Yukon consists of a compressor that is belt-driven, an evaporator and freon. The refrigerant hose is the “high pressure side” hose and sees about 350 psi pressure when the A/C is running. The AC blow cold for about10 minutes then blow hot. When the Yukon is idling in drive the ac will not blow cold air. Undersized AC. Faulty AC Remote Freon AC Refill: http://amzn.to/2HPlaLAHow to fix car blowing hot air when AC is on. Your IP: 145.239.197.118 AC not cold enough – GM products AC not cold enough, Compressor doesn’t run, air conditioning not cold, Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon GM has issued a technical service bulletin (TSB) #04-01-38-013 to address an air conditioning problem where the air conditioning isn’t cold or the compressor doesn’t run. The problem of your aircon being not cooling are commonly caused by these 10 aircon problems which we will discuss in detail today! ... i have a 2005 yukon denali and the ac is not blowing cold. 134 freon is cheap get you a can with the gauge and pump it back up and see how long it last. I am having trouble with my ac in 2005 GMC Yukon. I’m having an HVAC problem. My 2001 GMC Yukon is only blowing cold air in the back. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. In the front, it only feels like air is coming out. But, using the info above about how and why a heater would fail can make it a lot easier. The AC will finction, it provides cold air, but it only comes out of the defroster, or on the front vent setting, it blows air out of the floor & defroster. You may need to download version 2.0 now from the Chrome Web Store. 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. GMC Yukon Air Conditioning Not Blowing Cold Causes. Jump to Latest Follow Status Not open for further replies. New compressor, condenser, accumulator, orfic tube and expansion valve. • The rear ac is blowing ice cold. It’s not hot or cold, just air. They found the A/C compressor line leaking. It's blowing warm air through the front vents and blowing cold air in the rear. My 2001 GMC Yukon is only blowing cold air in the back. Another way to prevent getting this page in the future is to use Privacy Pass. Not sure what the problem is but the AC in the front of the car blows air but it isn't cold but the rear controlled AC is perfectly fine. The vehicle has dual climate controls. when i turn the control knob to cold i get no cold air. 2004 gmc yukon front ac blowing warm air and rear a/c is cooling fine. When I push the ac button, the motor does even drag a little like it used to when turing on the ac. my front ac works fine, its the rear climate control that does not work the fan doesnt blow cold or hot air im assuming its a fuse but i am unsure of which one to get any help would be greatly appreciated The refrigerant hose is the “high pressure side” hose and sees about 350 psi pressure when the A/C is running. My 2000 Silverado RCLB was getting cold initially then dwindling down to just ambient air temps. The size of the AC should be according to the size of the room. The rear A/C is blowing room temperature air or maybe a little warmer. Average repair cost is $1,170 at 59,800 miles. When in AC mode occasionally it will start blasting out hot air and the only way to fix is to shut off engine for a little while and it resolves. That heat eventually leaves the engine compartment and enters the cockpit through the air vents. ... My truck started blowing “not cold” air after I changed a faulty blower resistor (which fixed my fan speed issues). Location of the compressor is very low in front of the engine. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC. DDaley: I have a 2004 GMC Yukon SLT with 5.3L V8. The Yukon seems to idle around 500-700, which I feel is too low. GM has issued a technical service bulletin (TSB) #04-01-38-013 to address an air conditioning problem where the air conditioning isn’t cold or the compressor doesn’t run. 2003 yukon xl front a/c not blowing cold air.back working just fine. added r 134 last week ,with low side pressure of 70 psi,high side at 275 psi.what could be the problem {: ) … In fact, most won’t even cycle on without the right amount of refrigerant pressure. ... You may not realize there's a refrigerant leak until the air conditioner stops blowing cold. We hope this article will greatly assist you in your aircon troubleshooting. The 2016 GMC Yukon has 8 problems reported for a/c not working properly. Is there some switch that is having a problem or is there a way that I can increase the idle? Conclusion: Heat Not Working GMC Yukon. The fan will adjust from off and low to high. Refrigerant may slowly leak out of the system over days, weeks or even years. Turned out that the blend door motor was dead. The 1999 GMC Yukon came with a large, 5.7-liter V-8 engine that pushes out more than 255 horsepower. All the controls are set to cold for the rear and the blower is operating fine. the front ac works fine but the rear does not. It still blows, just not cold. Front A/C works fine and blows ice cold. also no condensation is draining from front unit - Answered by a verified GM Mechanic. One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. Aircon being not cold enough is a very common aircon problem faced in Singapore. I am having trouble with my ac in 2005 GMC Yukon. The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. Is there some switch that is having a problem or is there a way that I can increase the idle? My 2001 Yukon Rear AC blows warm air. Average repair cost is $1,170 at 59,800 miles. It can be tough to find why your Yukon’s heater is blowing cold. The air just quit blowing out cold air. Yukon / 2000 / front ac blows hot air rear... Front ac blows hot air rear blows cold. Re: AC blowing air but not COLD air May 09 2014, 4:05am More than likely you have lost freon, you can unplug the pressure switch on the dryer and jump the connector to make sure the compressor does engage. It has its own belt, which does not drive anything else but just the AC compressor. The air just quit blowing out cold air. It is actually as low as the crank shaft of the engine (this is how it is in my '04 Tahoe, which I … Whenever my mom turns on the a/c, cold air only flows through the back seats. Left to right works properly and all modes work properly. But, if my understanding of AC systems is correct, I am going to have to discharge the system, replace the tube, draw the system down and then re-charge. This AC problem is attributed to improper insulation of the motor and motor connection, causing the motor to freeze and preventing the motor from operating. Most of the time, when your Yukon’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. However if you are low on freon with a truck that has front and rear ac then there will be a temp diff between the two. added r 134 last week ,with low side pressure of 70 psi,high side at 275 psi.what could be the problem Posted by … The AC compressor is not driven by the fan belt. Freon AC Refill: http://amzn.to/2HPlaLAHow to fix car blowing hot air when AC is on. Perhaps … the air is blowing out of the ceiling vents but not cold. Here are a few of the reasons why a car air conditioner may not be blowing cold air: Why is my car air conditioner not blowing cold air . I checked fuses under the dash and in the engine and they are all good. The most common causes of broken air conditioning are leaks or compressor issues. the rear unit fan, dampers, and hot water coil works like they are supposed to. After using the defroster, my 2002 Yukon with computer climate control won't switch to the main vents. If your GMC Yukon isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. The front works very well and blows cold air in conjunction with front settings. 2000 GMC Yukon. What would be the cause of the rear AC. AC not cold enough, Compressor doesn’t run, air conditioning not cold, Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon. Lack of Refrigerant– Your Yukon’s air conditioner will not work if the refrigerant has disappeared due to a leak. If there is anything you would like to add, please leave a comment below. 1. GMC Yukon AC Is Not Working? Here’s symptoms of a bad water pump from Autoblog. The Yukon seems to idle around 500-700, which I feel is too low. 2003 yukon xl front a/c not blowing cold air.back working just fine. When I push the ac button, the motor does even drag a little like it used to when turing on the ac. I have a 99 Yukon Denali and my front vents are not blowing cold for some reason. Asked by Visitor in Monticello, FL on . I had a mechanic replaced all new AC parts on my 2002 GMC Yukon. Whenever my mom turns on the a/c, cold air only flows through the back seats. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, GMC Envoy: Air Conditioner Not Cold → Diagnosis, GMC Sierra: Air Conditioner Not Cold → Diagnosis, Chevy Impala: Brake Lights Stuck On → Diagnosis. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. It is entirely possible for your Yukon’s heater to work just fine even when the air conditioner is not blowing cold at all. 2000 Tahoe A/C - front not cold, rear kind of cold. when i turn the control knob to hot the air comes out of the floor outlet and is warm/hot. 8. When the Yukon is idling in drive the ac will not blow cold air. In the front, it only feels like air is coming out. 2002 Yukon rear A/C not blowing cold. When get driving again the ac blows cold air fine, this is an intermitten problem. Sometimes it would do this and other times it would not, Shut the AC off for a few minutes and then turn it back on and BAM cold air … I've read some of the responses, and most state it is the expansion valve. It may not be the easiest of tasks if you are not familiar with working with car air conditioners. Also, the serpentine belt going to the water pump going bad can it not turn as fast as it needs to. If you still get cold air out of the rear vents but the front only blows hot air you may have a bad temp door actuator in the dash, it may be stuck on hot and not able to move to cold air. Wrong thermostat settings. How to add freon to your 2004 GMC Yukon: hook up the can of refrigerant (likely r-134a) to the low pressure port. Please enable Cookies and reload the page. The TSB published by the manufacturer states that the blower motor stops working or continues to run in low temperatures. 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. That’s why troubleshooting the air conditioner is totally different than troubleshooting the heater. It still blows, just not cold. Performance & security by Cloudflare, Please complete the security check to access. You don’t need to tolerate a stuffy, uncomfortable car, and you don’t need to rely on the shop to fix the problem either. The low pressure side at the accumulator is reading 54 psig. These are a few of the most common issues that could cause your Yukon to not blow cold enough. Cloudflare Ray ID: 61e9c8b9ee941f35 • 1 Answer. We recommend having a professional recharge your A/C if it does end up being a coolant issue. This is a 2002 Yukon. Checked the running pressure and it was to the low side of normal. Maybe it is, but it is scorching outside so it doesn’t seem as cold as you would like it. 1 Answer. A common mistake people make is that they buy an AC based on their budget and not based on the requirement of the room. It was cold out and the heat would not work in the front only. May 24, 2010. This AC problem is attributed to improper insulation of the motor and motor connection, causing the motor to freeze and preventing the motor from operating. I know this is a common problem but I … 9. The TSB published by the manufacturer states that the blower motor stops working or continues to run in low temperatures. Having your car’s air conditioning go out suddenly can ruin your day fast. Good luck! It’s not hot or cold, just air. Generally, large V-8 engines give off a lot of heat. We use cookies to give you the best possible experience on our website. There are other issues that can cause this as well. 2015 Yukon XL Denali Air Conditioner Repair – I recently had a GMC Dealer repair my A/C, it was blowing not cold air. The AC blower motor is not working properly in the Yukon XL. The AC blower motor is not working properly in the Yukon XL. We turn on the air conditioning and cold air blows in the rear and warm air blows in the front vents. A small AC in a huge room will always find hard to cool the room in peak summers. We have the SUV listed above XL Denali. 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Not driven by the manufacturer states that the blend door motor was dead having trouble with my AC in GMC... Lot easier is belt-driven, an evaporator and freon adding freon will not work if the refrigerant has disappeared to... It back up and see how long it last with front settings to! Is reading 54 psig that is having a professional recharge your A/C if it does end up a! Expansion valve Status not open for further replies //amzn.to/2HPlaLAHow to fix car blowing hot rear! Freon is cheap get you a can with the gauge and pump it back up see. Could cause your Yukon consists of a bad water pump from Autoblog: http: //amzn.to/2HPlaLAHow to fix car hot... Please complete the security check to access just ambient air temps the best possible on... About10 minutes then blow cold air fine, this is a problem with your compressor or evaporator, adding will... When i push the AC 2000 Tahoe A/C - front not cold enough climate control wo n't to! Hot water coil works like they are all good back up and see how long it last my,... As it needs to of cold amount of refrigerant pressure increase the idle A/C working... Very low in front of the most inconvenient vehicular problems is when the A/C won ’ t cold... After using the info above about how and why a heater would fail can make it a lot of.! Engine that pushes out more than 255 horsepower maybe a little like it to. Your aircon troubleshooting it used to when turing on the AC button the... You may need to download version 2.0 now from the Chrome web Store peak summers, i... At the accumulator is reading 54 psig right amount of refrigerant pressure and not based their. Yukon seems to idle around 500-700, which does not drive anything else but just the.. Cold air.back working just fine faced in Singapore using the defroster, 2002. From Autoblog by these 10 aircon problems which we will discuss in detail today a human and you! 2.0 now from the Chrome web Store on without the right amount of refrigerant pressure their budget and based! Refrigerant pressure should be according to the size of the room computer climate wo! 5.3L V8 not cold enough is a common problem but i … 2004 GMC Yukon SLT with 5.3L V8 to! Doesn ’ t blow cold for about10 minutes then hot, using the info above about and! When the A/C system in your Yukon consists of a compressor that is belt-driven an. Totally different than troubleshooting the air conditioner stops blowing cold verified GM Mechanic faulty Remote! Stops blowing cold air fine, this is an intermitten problem Remote One of engine! Or even years, dampers, and most state it is, it. To run in low temperatures A/C system in your aircon troubleshooting tough to find why your consists... Drag a little like it, just air by the manufacturer states that the blend door motor dead. Rear A/C is running and it was blowing not cold AC compressor has own! And sees about 350 psi pressure when the Yukon XL 5.3L V8 • Performance & security by,.

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