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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1541 (HVAC System - Automatic) >> Repair Instructions >> Mode Control Cam Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Mode Cam Bracket, Mode Cam & Mode Cam Levers
    GM1646798Courtesy of GENERAL MOTORS CORP.
  1. Install the mode cam levers (3) to the evaporator case assembly.
  2. Align and install the mode cam (2) to the mode cam levers (3). Rotate the mode cam (2) to verify mode door operation.
  3. Install the mode cam bracket (1) to the evaporator case assembly.
  4. CAUTION: Refer to Fastener Caution .
  5. Install the mode cam bracket screws to the evaporator case assembly and tighten the screws to 1.5 N.m (13 lb in).
  6. Fig 2: View Of Mode Actuator
    GM1646796Courtesy of GENERAL MOTORS CORP.
  7. Install the mode actuator to the evaporator case assembly.
  8. Install the mode actuator screws to the evaporator case assembly and tighten the screws to 1.5 N.m (13 lb in).
  9. Connect the electrical connector to the mode actuator.
  10. Install the communication interface module, if equipped. Refer to Communication Interface Module Replacement .
  11. Install the driver knee bolster. Refer to Driver Knee Bolster Replacement .
  12. NOTE: Any time a mode actuator or the HVAC control module is replaced, the HVAC control module must be calibrated to ensure proper air distribution.
  13. Calibrate the actuators. Refer to Actuator Recalibration .
  14. Cycle the ignition and verify proper operation.