Air Conditioning (A/C) Compressor Leak Detection

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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 procedure in this article.
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.