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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Compressor/Condenser Hose Replacement - Auxiliary >> Installation Procedure

Installation Procedure

  1. Uncap or unplug all open connections.
  2. Install the compressor hose assembly to the vehicle.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the compressor hose assembly nut (1) to the accumulator.

    Tighten 

    Tighten the nut to 48 N.m (35 lb ft).

  4. Install the compressor hose assembly nut (6) to the condenser.

    Tighten 

    Tighten the nut to 28 N.m (21 lb ft).

    Fig 1: Installing Compressor Hose Assembly Nut
    G01645688Courtesy of GENERAL MOTORS CORP.
  5. Install new seal washers to the compressor. Refer to SEALING WASHER REPLACEMENT .
  6. Install the compressor hose assembly bolt to the compressor.

    Tighten 

    Tighten the bolt to 34 N.m (25 lb ft).

    Fig 2: Installing Compressor Hose Assembly Bolt
    G01645689Courtesy of GENERAL MOTORS CORP.
  7. Install the hose clamp bracket nut (3) to the engine stud.

    Tighten 

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

    Fig 3: Installing Hose Clamp Bracket Nut
    G01645690Courtesy of GENERAL MOTORS CORP.
  8. Install the nut that attaches the compressor hose assembly bracket to the engine.

    Tighten 

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

    Fig 4: Installing Compressor Hose Assembly Bracket Nut
    G01645691Courtesy of GENERAL MOTORS CORP.
  9. Raise the vehicle.
  10. Connect the auxiliary evaporator hose nut to the compressor hose assembly.

    Tighten 

    Tighten the nut to 28 N.m (21 lb ft).

    Fig 5: Installing Auxiliary Evaporator Hose Nut
    G01645692Courtesy of GENERAL MOTORS CORP.
  11. Lower the vehicle.
  12. Install the engine cover. Refer to ENGINE COVER REPLACEMENT in Interior Trim.
  13. Install the grille. Refer to GRILLE REPLACEMENT in Exterior Trim.
  14. Evacuate and recharge the system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  15. Leak test the fittings of the component using the J 39400-A. 
  16. Install the air cleaner. Refer to AIR CLEANER ASSEMBLY in Removal & Installation.
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