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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Cylinder Head Assembly (PHEV)) >> CVVD Assembly >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Do not rotate the control shaft.
G00671842Courtesy of KIA MOTORS AMERICA, INC.
  1. Turn the crankshaft damper pulley clockwise to bring the piston of cylinder 1 to compression top dead center so that the timing mark on the timing chain cover matches the groove on the damper pulley.
    G00671843Courtesy of KIA MOTORS AMERICA, INC.
  2. Remove the CVVD actuator.

    (Refer to ("CVVD ACTUATOR ")

  3. Remove the cylinder head cover.

    (Refer to ("Cylinder Head Cover ")

  4. Remove the intake and exhaust Variable Force Solenoid (VFS) valves.

    (Refer to ("VARIABLE FORCE SOLENOID (VFS) ")

  5. Rotate so that the TDC marks on the intake CVVT sprocket and exhaust CVVT sprocket are aligned with the top surface of the cylinder head so that cylinder 1 is at compression top dead center.
    G00671844Courtesy of KIA MOTORS AMERICA, INC.
  6. Permanent ink markings on chain links matching intake and exhaust continuously variable valve (CVVT) timing markings.

    [Intake CVVD] 

    G00671845Courtesy of KIA MOTORS AMERICA, INC.

    [Exhaust CVVT] 

    G00671846Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the cam to cam guide (A), after removing the bolt.[Exhaust CVVT]

    Tightening torque : 

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

    G00671847Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the service hole cover bolt (A).

    Tightening torque : 

    27.5 - 30.4 N.m (2.8 - 3.1 kgf.m, 20.3 - 22.4 lb.ft)

    G00671848Courtesy of KIA MOTORS AMERICA, INC.
  9. Using a fine awl, etc. (A), lower the ratchet plate (B) of the timing chain tensioner downward to release the lock.
    G00671849Courtesy of KIA MOTORS AMERICA, INC.
    G00671850Courtesy of KIA MOTORS AMERICA, INC.
  10. Remove the exhaust OCV and center bolt (A) and intake OCV and center bolt (B).

    Tightening torque : 

    A step : 22.6 - 26.5 N.m (2.3 - 2.7 kgf.m, 16.6 - 19.5 lb.ft)

    A step 2 : 32 ~ 36°

    B step 1 : 22.6 - 26.5 N.m (2.3 - 2.7 kgf.m, 16.6 - 19.5 lb.ft)

    B step 2 : 32 ~ 36°

    G00671851Courtesy of KIA MOTORS AMERICA, INC.

    Information 

    When removing the CVVT assembly bolt, hold the camshaft (A) with a wrench to prevent the camshaft from rotating.

    G00671852Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the high pressure fuel pump brackets (A), after removing the bolts.

    Tightening torque : 

    12.7 - 14.7 N.m (1.3 - 1.5 kgf.m, 9.4 - 10.8 lb.ft)

    G00671853Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the camshaft front bearing cap bolt and camshaft bearing cap bolt (A).
    G00671854Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the camshaft front bearing cap (A) and camshaft bearing cap (B).
    G00671855Courtesy of KIA MOTORS AMERICA, INC.
  14. Sperate the CVVT from the intake and exhaust camshafts by pulling in the direction of the arrow.
    G00671856Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the continuously variable valve duration (CVVD) assembly.
    1. Install the SST (0K240 - P4100) to camshaft and CVVD assembly.
      G00671857Courtesy of KIA MOTORS AMERICA, INC.
      NOTE:
      • When installing the SST (0K240 - P4100), tighten it by hand using the cylinder head cover bolts.
      • Do not turn the control shaft.
    2. Remove the CVVD assembly bolt (A).
      G00671858Courtesy of KIA MOTORS AMERICA, INC.
    3. Remove the CVVD assembly (A).
      G00671859Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: When moving the CVVD, always hold only the handle (A) of the SST (0K240 - P4100).
    G00671860Courtesy of KIA MOTORS AMERICA, INC.
    • Remove the CVVD after slightly lifting the front part of the camshaft.
    • After removing the CVVD assembly, make sure that the hydraulic valve clearance adjustment device (HLA) and swing arm do not come off.
    • Check the CVVD assembly for damage.
    • Do not disassemble the CVVD assembly.
    • Do not rotate the control shaft.
    G00671842Courtesy of KIA MOTORS AMERICA, INC.