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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 >> Air Conditioning (A/C) High Pressure Switch Replacement (4.3L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the A/C high pressure switch to the A/C compressor.
  2. Install the A/C high pressure switch connector retaining ring.
  3. Connect the A/C high pressure switch electrical connector (2).
  4. Install the air cleaner outlet duct. Refer to AIR CLEANER OUTLET RESONATOR REPLACEMENT in Engine Controls - 4.3L.
  5. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  6. Leak test the fittings of the components using the J 39400-A  .
    Fig 1: Connecting A/C High Pressure Switch Electrical Connector
    G01466917Courtesy of GENERAL MOTORS CORP.
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