Thursday, March 15, 2012

How to replace Compressor Ford,Lincoln and Mercury Vehicles?


The procedure is similar for both Ford, Lincoln and Mercury car models:----

The procedure to replace compressor is mentioned below:---

Removal & Installation is mentioned below:---

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 flushing of the A/C system prior to installing a new A/C compressor.
If A/C flushing equipment is not available, carry out filtering of the A/C system after a new A/C compressor has been installed.
Install a new Thermostatic Expansion Valve (TXV), as directed by the A/C flushing or filtering procedure.
Install a new receiver/drier desiccant bag as directed by the A/C flushing or filtering procedure.


NOTE
The O-ring seals used on this vehicle are not interchangeable with all similarly sized O-ring seals used on other Ford products. Use only the O-ring seals specified for this vehicle in the Ford master parts catalog.


NOTE
Installation of a new receiver/drier desiccant bag is not required when repairing the A/C system except when there is physical evidence of system contamination from a failed A/C compressor or damage to the receiver/drier desiccant bag. Damage to the receiver/drier desiccant bag includes physical damage to the receiver/drier desiccant bag or moisture contamination. Moisture contamination results only from a complete loss of refrigerant and equalization of the refrigerant system pressure with atmospheric pressure for a period longer than one hour. If even a slight amount of positive refrigerant pressure is present in the system before repairs are carried out, the receiver/drier desiccant bag should not be replaced.

  1. If flushing of the A/C system has not been carried out, recover the refrigerant.
  2. With the vehicle in NEUTRAL, position it on a hoist.
  3. Remove the drive belt from the A/C compressor pulley.
  4. Remove the RH fender splash shield.
  5. Remove the A/C compressor nut and stud.
  6. Remove the lower A/C compressor bolt.
  7. Disconnect the field coil electrical connector.
  8. Remove the upper A/C compressor bolt and reposition the A/C compressor to allow access to the compressor discharge and suction fittings.
  9. Remove the A/C compressor suction fitting bolt and disconnect the fitting. Discard the o-ring seal.
  10. remove the A/C compressor discharge fitting bolt and disconnect the fitting. Discard the o-ring seal.
  11. Remove the A/C compressor. 
    image
    Fig. Exploded view of the A/C compressor
To install:

NOTE
The service A/C compressor for this vehicle is shipped from the factory with PAG oil installed. The refrigerant oil adding procedure specified for this vehicle must be followed to avoid installing excessive PAG oil in the refrigerant system.

  1. If filtering of the A/C system is not to be carried out, lubricate the refrigerant system with the correct amount of clean PAG oil.
  2. Connect the A/C compressor discharge fitting and install the A/C compressor discharge fitting bolt. Install a new o-ring seal lubricated in clean PAG oil. Tighten to 80 inch lbs. (9 Nm).
  3. Connect the A/C compressor suction fitting and install the A/C compressor suction fitting bolt. Install a new o-ring seal lubricated in clean PAG oil. Tighten to 80 inch lbs. (9 Nm).
  4. Install, but do not tighten the upper A/C compressor bolt.
  5. Install, but do not tighten the lower A/C compressor bolt.
  6. Install the A/C compressor stud. Tighten to 80 inch lbs. (9 Nm).
  7. Position the compressor-to-condenser discharge line and install, but do not tighten the A/C compressor nut.
  8. Tighten the A/C compressor bolts and nut in the sequence shown. Tighten to 18 ft. lbs. (25 Nm).

    Click image to see an enlarged view
    Fig. Identifying the A/C compressor bolt tightening sequence
  9. Connect the field coil electrical connector.
  10. Install the RH fender splash shield.
  11. Install the drive belt.
  12. If filtering of the A/C system is not to be carried out, evacuate, leak test and charge the refrigerant system.


These details will help.
Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html



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