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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L (Except HEV) >> Electric Waste Gate Actuator (EWGA) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Remove the intake hose (A).
    G12915463Courtesy of KIA MOTORS AMERICA, INC.
  3. Disconnect the EWGA extension connector (A).
    G12915464Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove the heat protector (A) after loosening the mounting bolts.

    Heat protector mounting bolt: 

    9.8 - 11.8N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G12915465Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the intake pipe stay (A).

    Tightening torque: 

    M8 Bolt: 18.6 - 23.5 N.m (1.9 - 2.4kgf.m, 13.7 - 17.4 lb.ft)

    M10 Bolt: 29.4 - 34.3 N.m (3.0 - 3.5kgf.m, 21.6 - 25.3 lb.ft)

    G12915466Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the intake pipe (A).

    Tightening torque: 

    Bolt: 29.4 - 39.2N.m (3.0 - 4.0 kgf.m, 21.6 - 28.9 lb.ft)

    Nut: 35.3 - 41.1 N.m (3.6 - 4.2 kgf.m, 26.0 - 30.3 lb.ft)

    G12915467Courtesy of KIA MOTORS AMERICA, INC.
    G12915468Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the turbo charger water pipe & hose (A).

    Tightening torque: 

    Flange Bolt: 9.8 - 11.8N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    Eye Bolt: 26.4 - 32.3 N.m (2.7 - 3.3 kgf.m, 19.5 - 32.3 lb.ft)

    G12915469Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the shaft link (A) by removing the C-ring (B).
  9. Remove the electric waste gate actuator by loosening the bolts (C).
    G12915470Courtesy of KIA MOTORS AMERICA, INC.