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The 2001 GMC Yukon holds 48 ounces of freon and requires r-134a refrigerant. To keep the inside of your vehicle cool, the air conditioning system needs freon. The cost of having it refilled ranges from $80 to $100 for labor and $57 to $80 for parts. If you prefer a DIY approach, it's a straightforward process involving locating the low pressure port under the hood and adding freon when the compressor is running. Remember to replace the low pressure port cap after refilling. This task should take around 30 to 45 minutes to finish. Unless you reside in an exceptionally hot area, a freon refill typically lasts about three years.
I installed an 18-ounce one, but it never blew cold air. So, does it need more????
In 2001, the GMC Yukon has a refrigerant capacity of 48.0 ounces (1.42 liters) for models equipped with front and rear air conditioning, using R134a refrigerant. For Yukon models with front air conditioning only, the refrigerant capacity is 29.0 ounces (0.86 liters) also utilizing R134a refrigerant.
I've already added an 18-ounce can of Freon to it, I wasn't aware that I needed that amount.
Terrific information, thank you very much.