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Home >> Buick >> 2018 >> Encore Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Repair Instructions >> Mode Control Cam Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (without KL9)Battery Negative Cable Disconnection and Connection (with KL9)
  2. Steering Column Assembly - Remove - Steering Column Replacement (Buick, Mexico, NJ1, With BTM, With N06)Steering Column Replacement (Buick, Canada/United States, NJ1, With BTM, Without N06)Steering Column Replacement (Chevrolet, Mexico, NJ1, With BTM, With N06)Steering Column Replacement (Chevrolet, Canada/United States, NJ1, With BTM, Without N06)Steering Column Replacement (Chevrolet, Canada/United States, NJ1, Without BTM, Without N06)Steering Column Replacement (Chevrolet, Mexico, NJ1, Without BTM, Without N06)Steering Column Replacement (Mexico, N40)
  3. GM4420857

    Air Inlet Valve Actuator(2) - Left Side - Remove - Air Inlet Valve Actuator Replacement - Left Side (With CJ2) 

  4. GM4421242

    Mode Control Cam Actuator Bolt(1) - Remove[2x]

  5. Mode Control Cam Actuator(2) - Remove
  6. Disconnect the electrical connector.
  7. GM4421247

    Heater and Air Conditioning Evaporator and Blower Module Bracket Bolt(1) - Remove[4x]

  8. GM4421248

    Heater and Air Conditioning Evaporator and Blower Module Bracket(1) - Remove

  9. GM4421249

    Heater and Air Conditioning Mode Control Cam(1) - Remove[2x]

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