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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1233 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Leak Testing (V5 - Conventional Mount) >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the sealing washers in place, install the J 39893  on the rear head of the compressor.
  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 rear 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.
    Fig 1: Installing Pressure Test Adapter On Rear Head Of Compressor (V5 - Conventional Mount)
    G01481944Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the hoses from the J 39893  .
  10. Remove the J 39893  .
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