How does the low side coolant work on a GMC Yukon?
The liquid is then passed through an expansion valve where air, cooled by the Freon, is blown into the cabin. Occasionally, the Freon in the air conditioner needs to be recharged; the low side charging port allows this.
Can you add Freon to a 2004 GMC Yukon?
The A/C system in your Yukon consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 2004 GMC Yukon: hook up the can of refrigerant (likely r-134a) to the low pressure port.
Why is my GMC Yukon air conditioner blowing hot air?
Video Description When the air conditioner in your 2004 GMC Yukon starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.
Where is the accumulator on a GMC Yukon?
Raise the Yukon’s hood and prop it open. Locate a canister wrapped in silver insulation at the back passenger’s side of the engine — this is the air-conditioning accumulator.
Where is the cold air heater on a GMC Yukon?
It was cold out and the heat would not work in the front only. Turned out that the blend door motor was dead. It is under the glove box at the passengers feet. A small servo motor that turns hot and cold air valve in the heater box.
The A/C system in your Yukon consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 2004 GMC Yukon: hook up the can of refrigerant (likely r-134a) to the low pressure port.
Video Description When the air conditioner in your 2004 GMC Yukon starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.
What’s the problem with GMC Yukon Denali traction control?
Hi I have a 2003 XL Denali. I too have the same problem the Traction Active engages cutting the power to the truck. Numerous trips to the dealer has not fixed the problem. But in reading all the posts and your recent post I will be printing them and taking them with me.and telling them to service the sensors.
Where is the low side charging port on a GMC Yukon?
Access the low side charging port by removing the dust cap; turn it counter clockwise and pull up. Based in Middletown, Delaware, Jeremy Holt has worked as a writer, copy-editor and proofreader for MBNA Corporation, Rahli Inc. and Kreativz.com. since 1998.
Why does my GMC Yukon Denali XL not heat?
I will have the heat on and the air coming out of the vents is cooled air. 2003 GMC Yukon Denali XL started blowing air out of defrost after a battery change. Hopefully its just a bad mode actuator. Rear a/c and heat not changing to heat staying cold and not changing from ceiling to floor.
Why does my Yukon XL blow cold air?
While driving with the a/c on, the front driver vent will suddently blow heat. All other vents including the rear are fine and still blowing cold! I have to stop the car, turn the engine off and restart the vehilce. It will temporarily fix the problem, but it will occur again while driving!
Where does the cold air come from in a Yukon Denali?
Cold air blows when heater is on even after 20 minutes of warming up. AC onm, blows heat on drivers side and cold everwhere else. Front panel doesn’t blow any heat or a/c. Very little heat/ac comes from the front floor vents.
How much does a GMC Yukon XL heater cost?
The average cost for a GMC Yukon XL AC Diagnosis is between $53 -$67. Learn More Heater blows hot on passenger side and cold on drivers side. dont get heat on defrost at dash either. What do I need to have replaced? While driving with the a/c on, the front driver vent will suddently blow heat.
Can you add Freon to a GMC Yukon?
The A/C system in your Yukon consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 2008 GMC Yukon: hook up the can of refrigerant (likely r-134a) to the low pressure port.
Is the AC Freon too high or too low?
If that is the pressure on the high side, that’s probably too low. It takes more than one guage to determine the proper service of the A/C system and it is also dependent on the outside air temp. Assuming the a/c was off or the engine not running, normal pressure at 80 degrees F will be about 88psi for R-134a.
Video Description When the air conditioner in your 2008 GMC Yukon starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.
What should the high side pressure be on a Chevy Silverado?
If the engine was running and the a/c running, the high side pressure should be 2.5 times the ambient temp, with the low side being about 30psi. There is a lot more to a/c than just the pressures though, and how you interpret the pressures is not just simple logic. Make sure you take a suction side reading with the AC comp actually working.