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    bgworms9's Avatar
    bgworms9 Posts: 1, Reputation: 1
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    #1

    Feb 7, 2008, 12:20 PM
    Wher is the a/c orifice on a 1993 grand marquis
    Where is the a/c orifice located on a 1993 grand marquis
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #2

    Feb 7, 2008, 01:05 PM
    Name: 1a.gif Views: 4022 Size: 16.0 KB

    1. Discharge refrigerant from system, unless it is already opened.
    2. Disconnect liquid line from evaporator core inlet tube.
    3. Pour a small amount of refrigerant oil into inlet tube to lubricate orifice tube O-rings and inlet tube.
    4. Using a suitable removal tool, engage the tool with the two tangs on the orifice tube. Do not twist or rotate the fixed orifice tube in the evaporator core inlet tube, as it may break off. That would be disastrous.
    5. Hold T-handle of removal tool to prevent it from turning, and run nut down against evaporator core tube until orifice tube is pulled from inlet tube.
    6. Reverse procedure to install. Use new O-rings lubricated with refrigerant oil.
    Are you considering retro-fitting to R-134a? This would be the best time.
    7. Leak test, evacuate and charge system. Check system for proper operation.

    I hope this helps.
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