Question about 2002 Lincoln LS

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How to change a/c compressor

Steps or diagram to change air conditioning compresor

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  • pagancpa Jul 20, 2009

    3.9 v8

  • pagancpa Jul 21, 2009

    i will like to knoww how i can change my rating to VERY VERY Helpful.

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3.0L or 3.9L engine?

Posted on Jul 20, 2009

  • 1 more comment 
  • blueextc3221
    blueextc3221 Jul 20, 2009




    WARNING

    If installing a new air conditioning compressor due to an
    internal failure of the old unit, you must carry out the following
    procedures to remove contamination from the air conditioning system.







    If A/C flushing equipment is available, carry out the flushing of
    the air conditioning system prior to installing a new air conditioning
    compressor.



    If A/C flushing equipment is not available, carry out filtering
    of the air conditioning system after a new air conditioning compressor
    has been installed.



    Install a new thermostatic expansion valve, as directed by the A/C flushing or filtering procedure.


    Install a new receiver/drier, as directed by the A/C flushing or filtering procedure.

    NOTE

    If installing a new A/C compressor, the A/C clutch disc and hub ,
    A/C compressor pulley and A/C clutch field coil must be inspected and
    transferred from the old unit to the new unit if suitable for reuse.





    1. If flushing of the air conditioning system has not been performed, recover the refrigerant.


    2. Remove the air cleaner outlet tube.


    3. Remove the drive belt from the A/C clutch pulley.


    4. Raise the vehicle.


    5. Remove the screws and remove the sight shield.


    6. Remove the screw and position the power steering hose aside.


    7. Remove the bolt and reposition the A/C manifold and tube assembly.


    8. Disconnect the connector.


    9. Remove the three bolts and lower the A/C compressor.




    To install:




    1. If a new A/C compressor is to be installed, the clutch assembly must be transferred from the old unit to the new unit.


    2. If filtering of the refrigerant system is not to be performed,
      add the correct amount of PAG Refrigerant Compressor Oil (R-134a
      Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent to the new
      A/C compressor..



    3. Lubricate the O-ring seal with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent.


    4. If filtering of the refrigerant system is not to be performed, evacuate, charge and leak test the refrigerant system.


    5. Install the A/C compressor with the three bolts.


    6. Connect the connector.


    7. Install the A/C manifold and tube assembly.


    8. Replace the power steering hose aside.


    9. Install the drive belt on the A/C clutch pulley.


    10. Replace the air cleaner outlet tube.

    PIC1
    PIC2



    NOTE

    Installation of a new receiver/drier is not required when
    repairing the air conditioning system except when there is physical
    evidence of system contamination from a failed A/C compressor or damage
    to the suction accumulator.




    Thanks for using FixYa - a Very Helpful rating is appreciated for answering your FREE question.




  • blueextc3221
    blueextc3221 Jul 20, 2009

    Please reconsider raising your rating to Very Helpful.
    This is the exact procedure you are looking for.
    Most experts on FixYa do not provide information like this in the FREE questions.
    Your cooperation is appreciated.


  • blueextc3221
    blueextc3221 Jul 21, 2009

    There should be a "change my rating" at the bottom of the comment box.

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1 Answer

My compresor dont want to kikin


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For the A/C, you would verify that the system has Freon before attempting to replace a compressor. A low pressure switch would deactivate the compressor clutch. The system would need to be Evacuated with a Vacuum pump and then recharged, It is not like changing a starter. After prepping the system, you may need to jump the low pressure switch to get an initial charge of Freon, then reconnect the low pressure harness to the cut-out switch.

You need some type of guage to measure the charge. When the system has enough Freon to let the Low pressure switch provide power to the compressor clutch; the signal will be restored to the compressor.

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Besides Freon, compressors need oil, the right type, and a small amount. There are Freon cans which include an oil charge as well as sealers and conditioners to prevent or fix leaks. Remember that the system has a volume limit and more additives leaves less room for the Freon to work good.

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I hope my solution is helpful.

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I have replaced the air compresor the upper side and lower side switch and the air compresor won't come on what could be the problem


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