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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Air Conditioning (A/C) High Pressure Switch Replacement >> Removal Procedure

Removal Procedure

  1. Remove the engine cover. Refer to ENGINE COVER REPLACEMENT in Interior Trim.
  2. Recover the refrigerant the system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  3. Clean the control A/C high pressure switch area before removing the snap ring.
    Fig 1: View Of Air Conditioning High Pressure Switch Electrical Connector
    G01645588Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the electrical connector from the A/C high pressure switch (2) in the rear head of the compressor.
  5. Remove the A/C high pressure switch snap ring using a pair of 90 degree angle pliers or J 5403. 
  6. Remove the A/C high pressure switch (2) from the compressor.
  7. Remove the old O-ring seal from the A/C high pressure switch cavity using the J 9553-01. 
  8. Inspect the A/C high pressure switch cavity and the O-ring groove in the rear head for dirt or foreign material. Clean the components as necessary.
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