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04-23-2009, 11:55 PM
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1999 Chevy
Join Date: May 2004
Location: DALLAS, TX
Posts: 61
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AC Trouble
Need Help not sure just by looking which is the service port is on the low side of the air conditioning. I have a 1999 5.3L. I have a prety good idea where it is I think its the second port on the steel line, looks like there is an orifice tube beween the two ports.Some pics would be great pointing out where this is located at
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