Question about 1998 GMC Jimmy
Follow the smaller diameter high side line till you see a spot where there are dimples pushed in. These are the stops for the orifice so it doesn't get pushed too far in. They are usually at the front where the line goes to the radiator/condenser area.
Posted on Jun 28, 2009
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Posted on Jan 02, 2017
it is located in the high pressure AC line at the AC evaporator core inlet. The high pressure line is the smaller of the two AC lines that come from the AC compressor on the engine..
Posted on Mar 27, 2010
SOURCE: Where is the orifice tube
The orifice tube is part of the Air conditioning system and it's located inside the A/C line that comes out of the evaporator, ( the part that's in the heater box). You will need to remove all the refrigerant to access it. And once you have serviced/replaced it, you have to evacuate the system ( pull a vacum) for 45 minutes to remove any moisture and then recharge the system. Also replacement of the drier/reciever is recommended.
Posted on Jun 25, 2011
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