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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Control Switches Install (HT6/HD6) >> Tools Required

Tools Required

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J 5403  Snap Ring Pliers

Important:  If you reinstall an existing control switch in the compressor, use a new O-ring and a new retainer ring. An O-ring and a retainer ring is included in a new switch kit.

  1. Lubricate the new O-ring using clean refrigerant oil.
  2. Install the new O-ring into the groove in the switch cavity.
  3. Lubricate the control switch housing using clean refrigerant oil.
  4. Install the switch (4) into the switch cavity until the switch bottoms in the cavity.
  5. Using the J 5403  , install the switch retaining ring. Ensure that the high point of the curved sides is adjacent to the switch housing. Ensure that the retaining ring is properly seated in the switch cavity retaining groove.
  6. Leak test according to bench test procedure.
    Fig 1: Installing Switch Into Switch Cavity
    G01466871Courtesy of GENERAL MOTORS CORP.