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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 983 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Evaporator Tube Replacement (Non HP2) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the evaporator tube to the condenser using new sealing washers. Refer to Sealing Washer Replacement .
    2. NOTE: Refer to Fastener Notice .
    Fig 1: Evaporator Tube To Condenser
    GM363033Courtesy of GENERAL MOTORS CORP.
  2. Install the evaporator tube nut to the condenser.

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

  3. Connect the evaporator tube to the auxiliary A/C tube using new sealing washers, if equipped. Refer to Sealing Washer Replacement .
  4. Install the evaporator tube nut to the auxiliary A/C tube, if equipped.

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

  5. Install the evaporator tube to the evaporator.
    6. Fig 2: Removing/Installling Evaporator Tube At Evaporator
    GM385463Courtesy of GENERAL MOTORS CORP.
  6. Install the evaporator tube nut to the evaporator.

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

  7. Install the surge tank hold down nut and bolt and position aside.
  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  9. Install the upper radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement .
  10. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the components using the J 39400-A  . See Special Tools .
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