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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the discharge hose to the vehicle.
  2. Connect the A/C recirculation switch to the discharge hose.
  3. Install the discharge hose to the condenser using new sealing washers.
    Fig 1: View Of Discharge Hose At Condenser
    GM363062Courtesy of GENERAL MOTORS CORP.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the NEW discharge hose nut to the condenser.

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

  5. Install the upper radiator air baffle. Refer to Radiator Air Baffle and Deflector Replacement - Upper in Engine Cooling.
  6. Install the discharge hose (5) to the compressor using new sealing washers.
    Fig 2: Installing Discharge Hose To Compressor (LB7)
    GM652572Courtesy of GENERAL MOTORS CORP.
  7. Install the NEW discharge hose mounting bolt (2) to the A/C compressor.

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

  8. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  9. Leak test the fittings of the component using the J 39400-A  .
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