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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 >> Removal Procedure

Removal 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. Remove the air cleaner assembly.
  2. Disconnect the cruise control module electrical connector.
  3. Reposition the cruise control module aside.
  4. Remove the cruise control module mounting bracket bolts.
  5. Remove the cruise control module mounting bracket.
    Fig 1: Removing Procedure Evaporator Tube
    G01498841Courtesy of GENERAL MOTORS CORP.
  6. Recover the refrigerant from the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  7. Remove the wiper motor module. Refer to WIPER MOTOR MODULE REPLACEMENT .
  8. Remove the evaporator inlet tube clamp nut.
  9. Disconnect the electrical connector from the A/C pressure sensor.
  10. Remove the A/C pressure sensor from the evaporator inlet tube.
    Fig 2: Removing Evaporator Inlet Tube Clamp Nut
    G01498842Courtesy of GENERAL MOTORS CORP.
  11. Remove the evaporator outlet tube to TXV nut.
  12. Disconnect the evaporator outlet tube from the TXV.
  13. Disconnect the evaporator inlet tube from the evaporator outlet tube.

    Important:  Cap or tape the A/C refrigerant components immediately to prevent system contamination.

  14. Cap or tape off the TXV.
    Fig 3: Removing Evaporator Outlet Tube
    G01498843Courtesy of GENERAL MOTORS CORP.
  15. Remove the evaporator inlet tube to condenser fitting bolt.
  16. Disconnect the evaporator inlet tube from the condenser.
  17. Cap or tape off the condenser.
    Fig 4: Removing Evaporator Inlet Tube From condenser
    G01498844Courtesy of GENERAL MOTORS CORP.
  18. Remove the evaporator outlet tube bracket bolt.

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

  19. Remove the evaporator inlet tube.
  20. Remove and discard the sealing washers.
    Fig 5: Removing Evaporator Outlet Tube Bracket Bolt
    G01498845Courtesy of GENERAL MOTORS CORP.
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