Lincoln Aviator 2020-2022 Service Manual / Electrical / Climate Control System / Climate Control System - General Information / General Procedures - Air Conditioning (A/C) Compressor Leak Detection - Vehicles With: R134A Refrigerant

Lincoln Aviator: Climate Control System - General Information / General Procedures - Air Conditioning (A/C) Compressor Leak Detection - Vehicles With: R134A Refrigerant

Special Tool(s) / General Equipment

Air Conditioning Service Unit
Electronic Leak Detector
Air Conditioning Adaptor Kit

Leak detection

  1. Recover the refrigerant. Refer to Air Conditioning (A/C) System Recovery, Evacuation and Charging procedure in Group 412.
  1. Disconnect the refrigerant lines from the A/C compressor. Refer to the appropriate section in Group 412 for the procedure.
  1. Install the adapters from the A/C Flush Adapter Kit on the ports of the A/C compressor, using the existing retaining bolts.
    • 219-00082 ACF-3000 33PC Adapter Kit - Revised 1st released 44pc kit
    • 219-00083 A/C Flushing Adapter Kit 2 of 3 (Previously "Supplement A", 2nd released kit)
    • 219-00084 A/C Flushing Adapter Kit 3 of 3
      Use the General Equipment: Air Conditioning Adaptor Kit
  1. Connect the high and low pressure lines of the air conditioning service unit to the corresponding fittings on the adapter.
    • 265‐37887 Ritchie R134A A/C Refrigerant Hybrid Management System
      Use the General Equipment: Air Conditioning Service Unit
  1. Charge the A/C compressor following the air conditioning service unit instructions. Open the low pressure valve, the high pressure valve and set the refrigerant charge amount to 0.23 kg (8 oz).
  1. NOTE: Use a Rotunda-approved Electronic Leak Detector for R-134a refrigerant SAE Certified to J2791.

    Using the Refrigerant Leak Detector, check for leaks at the compressor shaft.
    • 023‐22791 Robinair Infrared A/C Refrigerant Leak Detector w/Case
      Use the General Equipment: Electronic Leak Detector
  1. When the leak test is complete, recover the refrigerant from the compressor.
  1. If an external leak is found, install a new A/C compressor.

    General Procedures - Air Conditioning (A/C) Clutch and Air Conditioning (A/C) Clutch Field Coil - Vehicles With: R134A Refrigerant/R1234YF Refrigerant

    Special Tool(s) / General Equipment 412-001 (T71P-19703-B) Remover, Compressor Pulley Activation Remove the A/C compressor. Refer to Air Conditioning A/C Compressor procedure in Group 412...

    General Procedures - Air Conditioning (A/C) Compressor Leak Detection - Vehicles With: R1234YF Refrigerant

    Special Tool(s) / General Equipment Air Conditioning Service Unit Electronic Leak Detector Air Conditioning Adaptor Kit Leak detection Recover the refrigerant...

    Other information:

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    Special Tool(s) / General Equipment Interior Trim Remover Removal NOTE: LH (left-hand) side shown, RH (right-hand) side similar. Remove the rear door window control switch bezel assembly. Release the locking tabs from the rear door window control switch bezel assembly...

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    Emergency Locking

    Each door has a backup power system which allows the door to function if your vehicle has no power. The system has a limited number of operations before the power is depleted and turns off. When the system turns off, the door remains open and unlatched and does not close.

    If your vehicle has no power and the backup power system is turned off, you can close and secure your vehicle by manually resetting each door latch using a key in the position shown.

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