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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 90 (Engine Control System - 1.6L - Optima (Except HEV)) >> Electric Waste Gate Actuator (EWGA) >> Repair Procedures >> Removal

Repair Procedures: Removal

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  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Remove the intake hose (A).
    Fig 1: Removing Intake Hose
    G11823526Courtesy of KIA MOTORS AMERICA, INC.
  3. Disconnect the EWGA extension connector (A).
    Fig 2: Disconnecting EWGA Extension Connector
    G11823527Courtesy 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)

    Fig 3: Removing Heat Protector
    G11823528Courtesy 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)

    Fig 4: Removing Intake Pipe Stay
    G11823529Courtesy 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)

    Fig 5: Removing Intake Pipe (1 Of 2)
    G11823530Courtesy of KIA MOTORS AMERICA, INC.
    Fig 6: Removing Intake Pipe (2 Of 2)
    G11823531Courtesy 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)

    Fig 7: Removing Turbo Charger Water Pipe And Hose
    G11823532Courtesy 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).
Fig 8: Disconnecting Shaft Link
G11823533Courtesy of KIA MOTORS AMERICA, INC.