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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Conditioning (A/C) High Pressure Switch Replacement (HU6 Only) >> Removal Procedure

Removal Procedure

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  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Clean the control A/C high pressure switch area before removing the snap ring.
  3. Disconnect the electrical connector from the A/C high pressure switch (2).
  4. Remove the A/C high pressure switch snap ring using the J-5403  .
    Fig 1: Disconnecting A/C High Pressure Switch Electrical Connector
    G01216933Courtesy of GENERAL MOTORS CORP.
  5. Remove the A/C high pressure switch (2) from the compressor.
  6. Remove the old O-ring seal from the A/C high pressure switch cavity using the J-9553-01  .
  7. 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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