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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Engine Controls And Fuel - 3.6L (LGX LF4) - Repair Instructions) >> Repair Instructions >> Turbocharger Wastegate Regulator Solenoid Valve Replacement (Bank 1)

Turbocharger Wastegate Regulator Solenoid Valve Replacement (Bank 1)

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Removal Procedure

  1. Remove Intake Manifold Cover. Refer to Intake Manifold Cover Replacement (LF4)
    2. Fig 1: Turbocharger Wastegate Regulator Solenoid Valve And Electrical Connector
    GM4055268Courtesy of GENERAL MOTORS COMPANY
  2. Disconnect Electrical Connector (1) @ Turbocharger Wastegate Regulator Solenoid Valve (2)
  3. Disconnect Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube @ Turbocharger Wastegate Regulator Solenoid Valve. Refer to Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube Replacement 
    4. Fig 2: Turbocharger Wastegate Actuator Vacuum Source Tube, Turbocharger Wastegate Regulator Solenoid Valve And Clamp
    GM4055302Courtesy of GENERAL MOTORS COMPANY
  4. Loosen Clamp (1) and reposition
  5. Disconnect Turbocharger Wastegate Actuator Vacuum Source Tube (2) @ Turbocharger Wastegate Regulator Solenoid Valve (3)
  6. Remove Clamp (1)
    7. Fig 3: Turbocharger Wastegate Regulator Solenoid Valve, Turbocharger Wastegate Actuator Vacuum Source Tube And Bolt
    GM4055409Courtesy of GENERAL MOTORS COMPANY
  7. Remove Turbocharger Wastegate Regulator Solenoid Valve Bolt (1) (Qty: 2)
  8. Disconnect Turbocharger Wastegate Actuator Vacuum Source Tube (2) @ Turbocharger Wastegate Regulator Solenoid Valve (3)
  9. Remove Turbocharger Wastegate Regulator Solenoid Valve (3)

Installation Procedure

    Fig 4: Turbocharger Wastegate Regulator Solenoid Valve, Turbocharger Wastegate Actuator Vacuum Source Tube And Bolt
    GM4055409Courtesy of GENERAL MOTORS COMPANY
  1. Install Turbocharger Wastegate Regulator Solenoid Valve (3)
    2. CAUTION:

    Refer to Solenoid Valve Caution .

  2. Connect Turbocharger Wastegate Actuator Vacuum Source Tube (2) @ Turbocharger Wastegate Regulator Solenoid Valve (3)
    3. CAUTION:

    Refer to Fastener Caution .

  3. Install and tighten Turbocharger Wastegate Regulator Solenoid Valve Bolt (1) (Qty: 2) to 10 N.m (89 lb in)
    4. Fig 5: Turbocharger Wastegate Actuator Vacuum Source Tube, Turbocharger Wastegate Regulator Solenoid Valve And Clamp
    GM4055302Courtesy of GENERAL MOTORS COMPANY
  4. Loosely install Clamp (1) @ Turbocharger Wastegate Actuator Vacuum Source Tube (2)
  5. Connect Turbocharger Wastegate Actuator Vacuum Source Tube (2) @ Turbocharger Wastegate Regulator Solenoid Valve (3)
  6. Connect Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube @ Turbocharger Wastegate Regulator Solenoid Valve. Refer to Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube Replacement 
    7. Fig 6: Turbocharger Wastegate Regulator Solenoid Valve And Electrical Connector
    GM4055268Courtesy of GENERAL MOTORS COMPANY
  7. Connect Electrical Connector (1) @ Turbocharger Wastegate Regulator Solenoid Valve (2)
  8. Install Intake Manifold Cover. Refer to Intake Manifold Cover Replacement (LF4)
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