Hyundai i-30: Cylinder Head Assembly / Cylinder Head Cover

Hyundai i30 (PD) 2018-2024 Service Manual / Engine Mechanical System / Cylinder Head Assembly / Cylinder Head Cover

Components and components location
Components

1. Cylinder head cover
2. Engine oil cap
3. Cylider head cover gasket
 4. Camshaft position sensor
5. Cylider head cover oil seal
6. High pressure fuel pump gasket

Repair procedures
Removal
  
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
  
•
Mark all wiring and hoses to avoid misconnection.
•
Turn the crankshaft pulley so that the No.1 piston is at top dead center.
1.
Disconnect the battery negative terminal.
2.
Remove the engine cover.
(Refer to Engine and Transaxle Assembly - "Engine Cover")
3.
Disconnect the reservoir tank water hose (A).
4.
Disconnect the wiring connectors and harness clamps and remove the connector brackets around the cylinder head cover.
5.
Remove the air duct and air cleaner assembly.
(Refer to Intake and Exhasut System - "Air Cleaner")
6.
Remove the high pressure fuel pump.
(Refer to Engine Control/Fuel System - "High Pressure Fuel Pump")
7.
Remove the ignition coils.
(Refer to Engine Electrical System - "Ignition Coil")
8.
Remove the CVVD acuator.
9.
Remove the turbocharger water pipe (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

10.
Remove the cylinder head cover (A).
Installation
1.
Install the cylinder head cover (A).
(1)
Install new cylinder head cover gasket on the cylinder head cover.
(2)
The hardening sealant located on the upper area between timing chain cover and cylinder head should be removed before assembling cylinder head cover.
(3)
After applying sealant (MS721-40AA), it should be assembled within 5 minutes.
Bead width : 4.0 - 5.0 mm (0.15 - 0.19 in.)

(4)
Install the cylinder head cover bolts as following method with two steps.
Tightening torque
Step 1 : 3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)
Step 2 : 7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)

  
•
Do not reuse cylinder head cover gasket.
•
Before installing the cylinder head cover, make sure the cylinder head cover gasket is not separated from the cylinder head cover gasket groove.
•
The engine running or pressure test should not be performed within 30 minutes after the cylinder head cover was assembled.
2.
Install the other parts in the reverse order of removal.

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    Opening the bonnet

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    1. Park the vehicle and set the parking brake.

    2. Pull the release lever to unlatch the bonnet. The bonnet should pop open slightly.

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