Hyundai Kona: Cylinder Head Assembly / Cylinder Head Cover Repair procedures

Hyundai Kona (OS) 2018-2021 Service Manual / Engine Mechanical System / Cylinder Head Assembly / Cylinder Head Cover Repair procedures

Removal

1.	Remove the engine cover. (Refer to Engine and Transmission Assembly - "Engine Cover")

2.	Disconnect the battery negative terminal.

3.	Remove the air clean hose. (Refer to Intake and Exhaust System - "Ari Cleaner")

4.	Disconnect the engine wiring connector and haness clamp and then remove the connector bracket from engine.

5.	Disconnect the ignition coil. (Refer to Engine Electrical System - "Ignition Coil")

6.	Remove the Positiv Crankcase Ventilation (PCV) hose (A).

Remove the vaccum pipe assembly (A).

Tightening torque :

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

8.	Remove the high pressure fuel pump and high pressure fuel pipe. (Refer to Fuel System - "High Pressure Fuel Pump")

9.	Disconnect the exhaust Oil Control Valve (OCV) connector. (Refer to Fuel System - "CVVT Oil Control Valve")

10.

Remove the cylinder head protector bolt (A).

Tightening torque :

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

11.

Remove the cylinder head cover (A), gasket.

•	Loosen the cylinder head cover bolts with the order and steps.

Installation

Install the cylinder head cover.

(1)	The hardening sealant located on the upper area between timing chain cover and cylinder head should be removed before assembling cylinder head cover.

(2)

After applying sealant, it should be assembled within 5 minutes.

Bead width : 2.0 - 3.0 mm (0.07 - 0.11 in.)

Sealant : TB1217H or LOCTITE 5900H

(3)	Install the cylinder head cover new gasket (A).

(4)	Install the cylinder head cover (A).

(5)

Tighten the cylinder head cover bolts with the order and steps.

Tightening torque

1st step :

3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

2nd step : 7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)

•	Do not reuse the disassembled gasket.

•	Before mounting the cylinder head cover, confirm whether or not the gasket is detached from the cylinder head cover gasket groove.

•	Do not operate the engine or pressurize the engine before 30 minutes after assembling the cylinder head cover.

2.	Install in the reverse order of removal.

Cylinder Head Cover Components and components location

Components 1. Cylinder head cover 2. Cylinder head cover gasket 3. Camshaft position sensor (CMPS) 4. Oil filler cap ...

CVVT & Camshaft Components and components location

Components 1. Exhaust camshaft 2. Intake camshaft 3. Exhaust CVVT 4. Intake CVVT 5. Camshaft bearing cap 6. Camshaft front bearing cap 7. O-ring ...

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