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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (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 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the O-ring seal to enter the refrigerant system.
    Fig 1: Identifying Air Conditioning (A/C) Refrigerant Pressure Sensor
    GM1547629Courtesy of GENERAL MOTORS CORP.
  1. Lightly coat the O-ring seal (3) with mineral base 525 viscosity oil.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the A/C refrigerant pressure sensor (2).

    Tighten:  Tighten the sensor to 5 N.m (44 lb in).

  3. Connect the A/C refrigerant pressure sensor electrical connector (1).
  4. Leak test the fitting using the J 39400-A  .
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