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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 >> Compressor Pressure Relief Valve 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. Remove the cap or tape from the A/C compressor.
  2. Lubricate the O-ring on the high pressure relief valve. Refer to O-Ring Replacement .
    3. Fig 1: Identifying Compressor Pressure Relief Valve
    GM787375Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the high pressure relief valve.

    Tighten:  Tighten the valve to 8 N.m (70 lb in).

  4. Lower the vehicle.
  5. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  6. Leak test the fittings of the component using J 39400-A  . See Special Tools .
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