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Home >> Cadillac >> 2018 >> 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

  1. GM3339727Courtesy of GENERAL MOTORS COMPANY

    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. GM3339414Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    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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