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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (HVAC Systems - Troubleshooting) >> Repair Instructions >> Evaporator Tube Replacement (Body VIN 6) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the new O-ring seal. Refer to O-Ring Replacement .
    2. Fig 1: Evaporator Tube (Long Wheel Base)
    GM871559Courtesy of GENERAL MOTORS CORP.
  2. Install the evaporator tube.
    3. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Connect the evaporator tube to the evaporator (5).

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

  4. Connect the auxiliary evaporator tube to the auxiliary piping.

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

  5. Connect the evaporator tube to the condenser.

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

  6. Install the coolant recovery tank. Refer to COOLANT RECOVERY RESERVOIR REPLACEMENT in Engine Cooling.
  7. Install the washer solvent container. Refer to WASHER SOLVENT CONTAINER REPLACEMENT in Wipers/Washer Systems.
  8. Install the nuts (1,2) retaining the evaporator tube to the fender.

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

  9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  10. Leak test the fittings of the components using the J 39400-A  Halogen Leak Detector. See Special Tools and Equipment .
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