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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 982 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Discharge Hose Replacement (LR4, LM7,LQ4, L18) >> Installation Procedure

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 (1) to the vehicle.
    Fig 1: Identifying Suction/Discharge Hoses To A/C Compressor
    GM628247Courtesy of GENERAL MOTORS CORP.
  2. Connect the electrical connector to the A/C recirculation switch.
    3. Fig 2: View Of Discharge Hose At Condenser
    GM363062Courtesy of GENERAL MOTORS CORP.
  3. Install the discharge hose to the condenser using new sealing washers.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the discharge hose nut to the condenser.

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

  5. Install the upper air baffle. Refer to Radiator Air Baffle and Deflector Replacement - Upper in Engine Cooling.
    6. Fig 3: Identifying Suction/Discharge Hoses To A/C Compressor
    GM628247Courtesy of GENERAL MOTORS CORP.
  6. Install the discharge hose (1) to the A/C compressor using new sealing washers.
  7. Install the discharge hose mounting bolt.

    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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