Compressor Leak Testing (V5 - Conventional Mount)

Tools Required 

• J 39400-A  Halogen Leak Detector. See Special Tools and Equipment .
• J 43600  ACR 2000 Air Conditioning Service Center. See Special Tools and Equipment .
• J 39893  Pressure Test Adapter. See Special Tools and Equipment .

1. With the sealing washers in place, install the J 39893  on the rear head of the compressor.
   Fig 1: Identifying J 39893 For Testing Compressor Leakage (V5 Conventional Mount)

   Courtesy of GENERAL MOTORS CORP.
2. Connect the gage charging lines and the J 43600  .
3. Pressurize the suction and the high-side of the compressor using R-134a refrigerant.
4. With the compressor in a horizontal position, rotate the compressor shaft several turns by hand in the operating direction.
5. Using the J 39400-A  , inspect for leaks at the following locations:
   • The pressure relief valve
   • The rear head switch
   • The front head seal
   • The through bolt head gaskets
   • The compressor shaft seal
6. Perform the measures necessary to correct any external leaks found.
7. Inspect for leaks again following any repair.
8. Recover the refrigerant.
9. Disconnect the hoses from the J 39893  .
10. Remove the J 39893  .