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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 866 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Evaporator Tube Replacement - Inlet >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install new sealing washers onto the evaporator inlet tube. Refer to SEALING WASHER REPLACEMENT  .

    Important:  Gently lift up on the evaporator outlet tube bracket to allow enough clearance to slide the evaporator inlet tube underneath.

  2. Install the evaporator inlet tube.
  3. Install the evaporator outlet tube bracket bolt.

    Tighten 

    Tighten the bolt to 5.5 N.m (45 lb in).

    Fig 1: Installing Evaporator Outlet Tube Bracket Bolt
    G01498846Courtesy of GENERAL MOTORS CORP.
  4. Remove the cap or tape from the condenser.
  5. Connect the evaporator inlet tube to the condenser.
  6. Install the evaporator inlet tube to condenser bolt.

    Tighten 

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

    Fig 2: Removing Cap Or Tape From Condenser
    G01498847Courtesy of GENERAL MOTORS CORP.
  7. Remove the cap or tape from the TXV.
  8. Connect the evaporator inlet tube to the evaporator outlet tube.
  9. Connect the evaporator outlet tube to the TXV.
  10. Install the evaporator outlet tube nut.

    Tighten 

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

    Fig 3: Removing Cap Or Tape From TXV.
    G01498848Courtesy of GENERAL MOTORS CORP.
  11. Install the evaporator inlet tube clamp nut.

    Tighten 

    Tighten the nut to 3.3 N.m (29 lb in).

  12. Install the A/C pressure sensor to the evaporator inlet tube.

    Tighten 

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

  13. Connect the electrical connector to the A/C pressure sensor.
  14. Install the wiper motor module. Refer to WIPER MOTOR MODULE REPLACEMENT .
  15. Install the air cleaner assembly.
    Fig 4: Installing Evaporator Inlet Tube Clamp Nut
    G01498849Courtesy of GENERAL MOTORS CORP.
  16. Install the cruise control module mounting bracket.
  17. Install the cruise control module mounting bracket bolts.

    Tighten 

    Tighten the bolts to 6 N.m (53 lb in).

  18. Install the cruise control module into the mounting bracket.
  19. Connect the cruise control module electrical connector.
  20. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  21. Leak test the fittings of the component using J 39400-A. 
    Fig 5: Installing Cruise Control Module Into Mounting Bracket
    G01498850Courtesy of GENERAL MOTORS CORP.
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