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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Intake And Exhaust System - 1.6L (Except HEV) >> Intercooler >> Repair Procedures >> Removal And Installation

Removal And Installation

  1. Disconnect the battery negative (-) terminal.
  2. Remove the air duct and air cleaner assembly.

    (Refer to Intake and Exhaust System - "AIR CLEANER ")

  3. Disconnect the intercooler outlet hose (A).

    Tightening torque: 

    4.9 - 6.8 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.0 lb.ft)

    G12915004Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove the engine room under cover.

    (Refer to Engine and Transmission Assembly - "ENGINE ROOM UNDER COVER ")

  5. Remove the intercooler inlet hose & pipe (A).

    Tightening torque 

    Bolts:

    19.6 - 26.4 N.m (2.0 - 2.7 kgf.m, 14.4 - 19.5 lb.ft)

    Clamp:

    4.9 - 6.8 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.0 lb.ft)

    G12915005Courtesy of KIA MOTORS AMERICA, INC.
  6. Disconnect the RCV solenoid valve hose (A).
    G12915006Courtesy of KIA MOTORS AMERICA, INC.
  7. Disconnect the boost pressure sensor connector (A).
    G12915007Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the RCV solenoid valve connector (A), and then remove the wiring (B) from the intercooler.
    G12915008Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the front bumper.

    (Refer to Body (Interior and Exterior) - "FRONT BUMPER ")

  10. Remove the air guide mounting bolt (A).

    Tightening torque: 

    6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb.ft)

    G12915009Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the intercooler upper mounting bracket (A).

    Tightening torque: 

    7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb.ft)

    G12915010Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the intercooler (A).
    G12915011Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the air guard (A).
    G12915012Courtesy of KIA MOTORS AMERICA, INC.
  14. Install in the reverse order of removal.
    NOTE:
    • Match the marking part of hose and marking part of throttle body, compressor.
    • Match the pipe stopper and hose marking.
    • When the band part is placed on the position mark of hose, install not to exceed the mark.
    • Tighten until the torque control cap is released. If there is no torque control cap, tighten as specified torque.