How do I recharge my Yukon XL air conditioner?

Occasionally, the refrigerant needs to be recharged. This is something anyone can do at home. Start the Yukon’s engine; turn the air conditioner on, and open the windows — the recharge process requires that the air conditioning compressor is running. Raise the hood of the Yukon.

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.

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.

Where is the air conditioner accumulator in a GMC Yukon?

Raise the hood of the Yukon. In the rear passenger side of the engine compartment, locate a canister wrapped in silver insulation; a little larger than a soda can. This is the air conditioning accumulator. Above the accumulator there’s a silver pipe with a black dust cap on it marked with an “L.”