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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Engine Controls And Fuel - 1.6L (LWC) - Repair Instructions) >> Repair Instructions >> Turbocharger Wastegate Actuator Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM3952771

    Nut(2)@Turbocharger Wastegate Actuator(1)Loosen

    2. NOTE:

    Deviations from the requested length of 130 mm (5.12 in) will not impact engine performance but will activate engine failure mode.

  2. Adjust value (a) to 130 +/-1 mm (5.12 +/-0.04 in) to the turbocharger wastegate actuator by turning the rod (3).
  3. GM4088042

    Turbocharger Wastegate Actuator(3)@Turbocharger(9) - Install

  4. Apply pressure of max. 100 kPA (14.5 psi) to the turbocharger wastegate actuator hose inlet (2) by using EN-667  pump up to the level that the rod end (5) is moved and the turbocharger wastegaste actuator can be installed to the wastegaste pin (6).
  5. Retainer(7)@Turbocharger Wastegate Actuator - Install a NEW retainer.
    6. CAUTION:

    Refer to:Fastener Caution .

  6. Nut(8)@Turbocharger Wastegate Actuator - Install a NEW nut. - Tighten 5.6 - 6.8 N.m (49 - 60 lb in)[2x]
  7. Nut(4) - Tighten5.6 - 6.8 N.m (49 - 60 lb in)
  8. Turbocharger Wastegate Actuator Hose@Turbocharger Wastegate Actuator(3) - Install
  9. Install the clamp.(1)
  10. GM4031971

    Bend back the exhaust manifold heat shield (2).

  11. Exhaust Manifold Heat Shield Bolt(1) - Install and tighten 10 N.m (89 lb in)
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