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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Hose Assembly Replacement (L26) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install new sealing washers onto the A/C compressor hose assembly. Refer to Sealing Washer Replacement .
  2. Install the A/C compressor hose to the A/C compressor.
    3. Fig 1: Removing A/C Compressor (3.8L)
    GM1199944Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the A/C compressor hose nut to the A/C compressor.

    Tighten:  Tighten the nut to 27 N.m (20 lb ft).

  4. Install new seals washers to the A/C compressor hose assembly and evaporator tube. Refer to Sealing Washer Replacement .
    5. Fig 2: Removing A/C Compressor Hose From Evaporator Tube (3.4L)
    GM1204149Courtesy of GENERAL MOTORS CORP.
  5. Install the A/C compressor hose to the evaporator tube.
  6. Install the A/C compressor hose to evaporator tube nut.

    Tighten:  Tighten the nut to 16 N.m (12 lb ft).

    7. Fig 3: Removing A/C Compressor Hose From Condenser (3.4L)
    GM1204150Courtesy of GENERAL MOTORS CORP.
  7. Install the A/C compressor hose to the condenser.
  8. Install the A/C compressor hose nut to the condenser.

    Tighten:  Tighten the nut to 16 N.m (12 lb ft).

  9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.8L.
  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the component using J 39400-A.
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