Air Conditioning (A/C) Compressor Leak Detection

Special Tool(s) / General Equipment 

Leak detection 

• 1.
  
  Recover the refrigerant. Refer to Air Conditioning (A/C) System Recovery, Evacuation and Charging .

• 2.
  
  Disconnect the refrigerant lines from the A/C compressor. Refer to the appropriate article for the procedure.

• 3.
  
  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

• 4.
  
  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

• 5.
  
  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).

• 6.
  
  
  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

• 7.
  
  When the leak test is complete, recover the refrigerant from the compressor.

• 8.
  
  If an external leak is found, install a new A/C compressor.