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How to replace the rear orifice tube?

(1999 GMC Yukon Denali)
in Byram, MS on July 05, 2011
My rear air is blowing, but not cold air. I had more freon put in today and it still did not blow cold. I was told that I needed to replace the orifice tube in the rear and that it was located in the passenger side panel in the back area of the vehicle. Is that correct and can you give me more directions on how to do this?
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Popular Answer
You need special equipment to evacuate the air conditioning system, store the refrigerant, and the do repairs and recharge the system.It would be hard to explain with out illustrations. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
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