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Kia Sorento: CVVT & Camshaft Inspection - Cylinder Head Assembly - Engine Mechanical SystemKia Sorento: CVVT & Camshaft Inspection

Kia Sorento (XM, 2011-2015) Service Manual / Engine Mechanical System / Cylinder Head Assembly / CVVT & Camshaft Inspection

Continuously variable valve timing (CVVT) Assembly

1.
Inspect the CVVT for smooth rotation.
(1)
Clamp the camshaft using a vise. Be careful not to damage the cam lobes and journals in the vise.
(2)
Check that the CVVT is locked by turning it clockwise or counterclockwise. It must not rotate.
(3)
Intake CVVT : Seal one of the two advance holes in the camshaft journal with tape.
Exhaust CVVT : Seal one of the two retard holes in the camshaft journal with tape.
[Intake]

[Exhaust]
(4)
Intake CVVT : Apply approx. 150 kPa (1.5 kgf/cm², 21 psi ) of compressed air into the unsealed advance hole to release the lock.
Exhaust CVVT : Apply approx. 150 kPa (1.5 kgf/cm², 21 psi ) of compressed air into the unsealed retard hole to release the lock.
  
Cover the oil paths with a piece of cloth when applying compressed air to prevent oil from spraying.
(5)
Intake CVVT : With compressed air applied, rotate the CVVT into the advance direction (counterclockwise) within its phasing range and check that the CVVT turns smoothly.
Exhaust CVVT : With compressed air applied, rotate the CVVT into the retard direction (clockwise) and check that the CVVT turns smoothly.
CVVT phasing range
Intake : 22.5
    1. Remove the cylinder head cover. (Refer to Cylinder Head Assembly - "Cylinder Head Cover") 2. Set No.1 cylinder to TDC/compression. ...
    1. Install the intakeCVVT assembly(A), exhaust CVVT assembly(B) and camshaft(C). Tightening torque : 53.9 ~ 63.7 N.m (5.5 ~ 6.5 kgf.m, 39.7 ~ 47.0 l...
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