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Home >> Chevrolet >> 2018 >> Sonic Premier, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 1.4L (LUV) - Repair Instructions >> Repair Instructions >> Charge Air Bypass Valve Replacement >> Installation Procedure

Installation Procedure

  1. GM4033157Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure there is no dirt or debris in the turbocharger housing valve cavity.

    Charge Air Bypass Valve Membrane (3) - Install

  2. Charge Air Bypass Valve Piston (2) - Install
  3. Valve Spring (1) - Install
  4. GM4033086Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The charge air bypass valve piston guide pin fits inside the charge air bypass valve cover guide bore.

    Charge Air Bypass Valve Cover (2) - Install

    5. CAUTION:

    Refer to Fastener Caution .

  5. Fastener (1) [3x] - Install & Tighten the bolts until snug.
  6. Fastener (1) [3x] - Tighten 12 N.m (106 lb in)
  7. Use GE-23738-A  Vacuum Pump to check for vacuum leak.
  8. GM4033059Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) [2x] @Charge Air Bypass Valve Tube Connector (2) - Loosely install

  9. Charge Air Bypass Valve Tube Connector (2) - Install
  10. Hose Clamp (1) [2x] @Charge Air Bypass Valve Tube Connector (2) - Move into position & Tighten
  11. Turbocharger Wastegate Actuator - Install - Turbocharger Assemble
  12. Exhaust Manifold Heat Shield Installation - Install
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