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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the new O-ring seal. Refer to O-Ring Replacement .
    2. Fig 1: Identifying Refrigerant Pressure Sensor
    GM1642671Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  2. Install the refrigerant pressure sensor to the liquid line.

    Tighten:  Tighten the sensor to 4.7 N.m (41 lb in).

  3. Connect the electrical connector to the A/C refrigerant pressure sensor.
  4. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.8L engine or Air Cleaner Assembly Replacement for the 3.6L (LY7) engine.
  5. Leak test the fittings of the component using J 39400-A  . See Special Tools .
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