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Home >> Cadillac >> 2017 >> XTS Livery >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Controls And Fuel - 3.6L (LFX LF3) - Repair Instructions >> Repair Instructions >> Turbocharger Wastegate Actuator Replacement - Left Side >> Installation Procedure

Installation Procedure

    Fig 1: Turbocharger Wastegate Actuator
    GM3339727Courtesy of GENERAL MOTORS COMPANY
  1. Position the turbocharger wastegate actuator (2) in place then hand start the fasteners (1).
    2. CAUTION:

    Refer to Fastener Caution .

  2. Tighten the wastegate actuator fasteners (1) to 25 N.m (18 lb ft).
    3. Fig 2: Turbocharger Wastegate Actuator Arm Retainer
    GM3339414Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure that the actuator arm retainer is installed as previously noted.

  3. Install the turbocharger wastegate actuator arm (2) then install its retainer (1) to securing the actuator arm.
    4. NOTE:

    Ensure the wastegate vacuum connection is fully seated and secure. A poor connection can result in a DTC and lead to misdiagnosis.

  4. Connect the charge air bypass valve vacuum tube to the turbocharger wastegate actuator. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Install the turbocharger heat shield. Refer to Turbocharger Heat Shield Replacement (Front)Turbocharger Heat Shield Replacement (Rear) .
  6. Install the front compartment front sight shield. Refer to Front Compartment Front Sight Shield Replacement .
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