Kia Optima: Installation - Camshaft. Repair procedures - Cylinder Head Assembly - Engine Mechanical System - Kia Optima TF 2011-2026 Service ManualKia Optima: Installation

1. Hold the timing chain, and place the intake CVVT & camshaft assembly.
2. Place the exhaust CVVT & camshaft assembly after releasing the ratchet of the timing chain tensioner.
The timing marks of each CVVT sprocket should be matched with timing marks (painted link) of timing chain when installing the timing chain.

3. Install the camshaft bearing caps in their proper locations.

Tightening order

Group A → Group B → Group C

Tightening torque

Step 1

M6 : 5.9N.m (0.6kgf.m, 4.3lb-ft)

M8 : 14.7N.m (1.5kgf.m, 10.8lb-ft)

Step 2

M6 : 10.8 ~ 12.7N.m (1.1 ~ 1.3kgf.m, 8.0 ~ 9.4lb-ft)

M8 : 27.5 ~ 31.4N.m (2.8 ~ 3.2kgf.m, 20.3 ~ 23.1lb-ft)

4. Install the service hole bolt (A).

Tightening torque :

11.8 ~ 14.7N.m (1.2 ~ 1.5kgf.m, 8.7 ~ 10.8lb-ft)


5. Turn the crankshaft two turns in the operating direction (clockwise), and then check that the TDC marks (A) of the CVVT sprockets are in straight line on the cylinder head surface.

6. Install the cylinder head cover. (Refer to Timing system in this group)

Removal
Timing chain cover removal is not required for this procedure. • Use fender covers to avoid damaging painted surf ...

Disassembly
1. Disassemble the CVVT assembly (A) and camshaft (B). When removing the CVVT assembly bol ...

See also:

Heater Unit. Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 3. When the e ...

Repair procedures
Inspection [System Inspection] 1. Disconnect the vapor hose from the throttle body and connect a vacuum pump to the nipple on the throttle body. 2. Chec ...

Cup holder
WARNING - Hot liquids Do not place uncovered cups of hot liquid in the cup holder while the vehicle is in motion. If the hot liquid spills, you may burn yourself. Such a burn to the driver ...

Copyright www.kiopman.com 2026