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Home >> Kia >> 2021 >> K5 EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - 2.5L) >> E-CVVT Motor Cover >> Repair Procedures >> Installation >> E-CVVT Cover
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E-CVVT Cover

WARNING: This page is about a different variant/trim than selected.
  1. Remove it by breaking the center of E-CVVT motor plug (A).
    G13837478Courtesy 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.
  2. Clean the E-CVVT motor plug mounting surface (A) with oil cleaner.
    G13837479Courtesy of KIA MOTORS AMERICA, INC.
  3. When reusing the E-CVVT cover, inspect the items below.
    1. If there is sign of leakage from inside the E-CVVT cover, replace it with a new one.
    2. Check for worn connector brush. (If measurement is below specification, replace the E-CVVT cover with a new one.)

      Specification:  Over 5 mm (0.1969 in.)

      G13837480Courtesy of KIA MOTORS AMERICA, INC.
    3. Check for damaged oil seal (A) and replace any damaged E-CVVT cover with a new one.
      G13837481Courtesy of KIA MOTORS AMERICA, INC.
    4. After inspecting E-CVVT, if no problem is found, replace the o-ring (A) with a new one.
    G13837482Courtesy of KIA MOTORS AMERICA, INC.
  4. Install the E-CVVT cover.
    1. Apply engine oil on oil seal lip (A).
      G13837483Courtesy of KIA MOTORS AMERICA, INC.
      NOTE: When applying oil, keep the connector brush (A) clean from foreign materials.
      G13837484Courtesy of KIA MOTORS AMERICA, INC.
    2. Insert SST (09243 - C2000) into the E-CVVT motor shaft.
      G13837485Courtesy of KIA MOTORS AMERICA, INC.
      NOTE: Insert the SST exactly to motor shaft.
    3. Slowly push the E-CVVT cover (A) until it is flush with the timing chain cover surface.
      G13837486Courtesy of KIA MOTORS AMERICA, INC.
      NOTE: Installing the E-CVVT cover without SST may cause oil leakage inside the E-CVVT motor due to damaged or separated E-CVVT oil seal.
    4. Pre-tighten the bolts in the below sequence, and then remove the SST (09243 - C2000).

      Tightening torque: 

      1.0 - 2.0 N.m (0.1 - 0.2 kgf.m, 0.7 - 1.4 lb.ft, 8.7 - 17.4 lb.in)

      Fig 1: E-CVVT Cover Bolts Tightening Sequence
      G13837487Courtesy of KIA MOTORS AMERICA, INC.
    5. Tighten the bolts to the specified torque in the sequence below.

      Tightening torque: 

      9.8 - 11.7 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

      Fig 2: E-CVVT Cover Bolts Tightening Sequence
      G13837488Courtesy of KIA MOTORS AMERICA, INC.
  5. Install the E-CVVT plug.
    1. By using SST (09243 - C2000), insert the plug into the E-CVVT cover hole.
      G13837489Courtesy of KIA MOTORS AMERICA, INC.
    2. Mount the stopper of SST so that it sits at the end of E-CVVT motor shaft.
      G13837490Courtesy of KIA MOTORS AMERICA, INC.
  6. Inspect the pressed depth of E-CVVT plug.
    1. By using a steel ruler, measure the distance from E-CVVT cover center boss to the end of motor shaft (1).
    2. By using a steel ruler, measure the distance from E-CVVT cover center boss to the end of E-CWT plug (2).
      G13837491Courtesy of KIA MOTORS AMERICA, INC.
    3. Measure the pressed depth of E-CWT plug (3) (Replace and Reinstall the E-CWT plug. when it is out of the specification.

      Pressed depth:  (3) = (2) - (1)

      Specification:  1.1 - 2.1 mm (0.0433 - 0.0826 in.)

  7. Insert the E-CVVT cover plug so that the protrusion (A) reach to E-CVVT cover groove correctly.
    G13837492Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Check how much protrude after installing the E-CVVT plug.
      G13837493Courtesy of KIA MOTORS AMERICA, INC.
    • Be careful that the plug is not inserted inside E-CVVT cover beyond the regulated range.
  8. Install the engine support bracket (A).

    Tightening torque: 

    39.2 - 44.1 N.m (4.0 - 4.5 kgf.m, 29.0 - 32.5 lb.ft)

    1. Install in order of 1→2→3 temporary.
    2. Turn the bracket counterclockwise and install the bolt 1.
    3. Install in order of 2→3→4→5→6.
      Fig 3: Engine Support Bracket Bolts Tightening Sequence
      G13837494Courtesy of KIA MOTORS AMERICA, INC.
  9. Install the engine mounting support bracket.

    (Refer to " Engine Mounting Bracket  ") 

  10. Install the vacuum pump.

    (Refer to " Removal  ") 

  11. Reset the E-CVVT adaptive values by using a KDS.

    Information 

    • After replacing or remounting the E-CVVT assembly, be sure to reset the learned value from the additional feature menu on the KDS diagnostic device.
    • When the learned value for electronic cam position is erased, start learning the cam position while cranking. The engine can start once this is completed.
    • Cranking should be repeated for up to 2 - 3 times to complete learning.
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