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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 48 (Cylinder Head Assembly - 2.4L (Except HEV)) >> CVVT & Camshaft >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Use fender covers to avoid damaging painted surfaces.
  • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.

Information 

  1. Remove the timing chain

    (Refer to Timing System - "TIMING CHAIN ")

  2. Remove the fuel pump bracket (A).
    G12932335Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove it by breaking the center of E-CVVT motor plug (A).
    G12932336Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Remove after 30 minutes of switching "OFF" the ignition to drain out the oil inside the E-CVVT motor plug.
    • Do not tilt the front of engine (timing chain cover side) downward as residual oil may flow out during E-CVVT motor plug removal.
    • If oil flows out during E-CVVT motor plug removal, wipe off immediately and block the motor shaft inlet with a clean towel.
  4. Disconnect the intake E-CVVT assembly (A) and exhaust CVVT assembly (B).
    G12932337Courtesy of KIA MOTORS AMERICA, INC.

    Information 

    When installing the CVVT assembly bolt, hold the camshaft with a wrench to prevent the camshaft from rotating.

    G12932338Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the camshaft.
    1. Remove the front camshaft bearing cap (A) with the upper bearing.
      G12932339Courtesy of KIA MOTORS AMERICA, INC.
    2. Remove the camshaft bearing caps in the sequence shown.
      Fig 1: Camshaft Bearing Caps Loosening Sequence
      G12932340Courtesy of KIA MOTORS AMERICA, INC.
    3. Remove the camshafts (A).
      G12932341Courtesy of KIA MOTORS AMERICA, INC.
    4. Remove the exhaust camshaft lower bearing (A).
    G12932342Courtesy of KIA MOTORS AMERICA, INC.