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Kia Sorento: CVVT & Camshaft Installation - Cylinder Head Assembly - Engine Mechanical System - Kia Sorento XM 2011-2025 Service ManualKia Sorento: CVVT & Camshaft Installation

Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 Service Manual / Engine Mechanical System / Cylinder Head Assembly / CVVT & Camshaft Installation

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 lb-ft)

  
When installing the CVVT assembly bolt, fix the camshaft by wrench at position D.
2.
Install the camshafts.
  
Apply a light coat of engine oil on camshaft journals.
(1)
Install the exhaust camshaft lower bearing (A).
(2)
Remove the intake CVVT assembly & camshaft (A).
(3)
Remove the exhaust CVVT assembly & camshaft (A).
(4)
Install the timing chain
Check that the mark(A) of the CVVT sprockets are in straight line on the cylinder head surface as shown in the illustration.
(5)
Install the exhaust camshaft upper bearing (A) to the front bearing cap.
3.
Install camshaft bearing caps (A) in their proper locations.
Tightening order
Group A → Group B → Group C.
Tightening torque :
Step 1
M6 : 5.9 N.m (0.6 kgf.m, 4.3 lb-ft)
M8 : 14.7 N.m (1.5 kgf.m, 10.8 lb-ft)
Step 2
M6 : 10.8 ~ 12.7 N.m (1.1 ~ 1.3 kgf.m, 8.0 ~ 9.4 lb-ft)
M8 : 27.5 ~ 31.4 N.m (2.8 ~ 3.2 kgf.m, 20.3 ~ 23.1 lb-ft)

4.
Install the high pressure fuel pump(A).
Tightening torque :
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

5.
Install the ratchet of the timing chain tensioner by pushing the link up using a thin rod.
6.
Install the service hole bolt of the timing chain cover.
Tightening torque :
11.7 ~ 14.7 N.m (1.2 ~ 1.5 kgf.m, 8.6 ~ 10.8 lb-ft)

  
The bolt must not be reused once it has been assembled.
7.
Install the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
CVVT & Camshaft Inspection
Continuously variable valve timing (CVVT) Assembly 1. Inspect the CVVT for smooth rotation. (1) Clamp the camshaft using a vise. Be carefu ...

Cylinder Head Components
1. Cylinder head 2. Intake OCV (Oil Control Valve) 3. Exhaust OCV (Oil Control Valve) 4. MLA 5. Retainer lock 6. Retainer 7. Valve spring 8. Valve stem seal 9. V ...

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