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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Engine Controls And Fuel - 3.6L (LF4) - Repair Instructions (2 Of 3)) >> Repair Instructions >> Turbocharger Wastegate Actuator Vacuum Source Tube Replacement >> Installation Procedure

Installation Procedure

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  1. GM4051157Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Wastegate Actuator Vacuum Source Tube (3) @ Turbocharger Wastegate Actuator Vacuum Tank - Install

  2. Retainer (2) - Engage
  3. Engage the 2 turbocharger wastegate actuator vacuum source tube clamps (1).
  4. GM5839283Courtesy of GENERAL MOTORS COMPANY

    Oil Filler Cap - Remove

  5. Intake Manifold Cover (2) - Install
    6. CAUTION:

    Refer to Fastener Caution .

  6. Intake Manifold Cover Bolt (1) - Install and tighten - Fastener Specifications
  7. Oil Filler Cap - Install


  1. GM5854972Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Wastegate Actuator Vacuum Source Tube (2) - Install

  2. Turbocharger Wastegate Actuator Vacuum Source Tube (2) - Connect - Plastic Collar Quick Connect Fitting Service
  3. Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  4. GM5839283Courtesy of GENERAL MOTORS COMPANY

    Oil Filler Cap - Remove

  5. Intake Manifold Cover (2) - Install
    6. CAUTION:

    Refer to Fastener Caution .

  6. Intake Manifold Cover Bolt (1) - Install and tighten - Fastener Specifications
  7. Oil Filler Cap - Install
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