Hyundai Tucson: Cylinder Head Assembly - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Mechanical System / Cylinder Head Assembly / Cylinder Head Assembly - Removal
- Disconnect the battery negative terminal.
- Remove the engine cover.
(Refer to Engine and Transaxle Assembly - "Engine Cover")
- Remove the air duct and air cleaner assembly.
(Refer to Intake and Exhaust System - "Air Cleaner")
- Disconnect the wiring connectors and harness clamps and remove the connector brackets around the cylinder head cover.
- Disconnect the breather hoses (A).
- Remove the connector bracket (A) after loosening the mounting bolt.
- Remove the high pressure fuel pump.
(Refer to Engine Control / Fuel System - "High Pressure Fuel Pump")
- Remove the ignition coil.
(Refer to Engine Electrical System - "Ignition Coil")
- Remove the CVVD actuator.
(Refer to Engine Control / Fuel System - "CVVD Acuator")
- Remove the cylinder head cover (A) with gasket.
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Cylinder Head Assembly- Installation
The hardening sealant located on the upper area between timing chain
cover and cam carrier, cylinder head
cover should be removed before assembling cylinder head cover.
Install the cylinder head cover.
(1) Install the new gasket.
WARNIN
Cylinder head cover
Removal
Disconnect the battery negative terminal.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
Turn the crankshaft damper pulley so that No. 1 piston is at top dead
center.
(1)
When Using the CVVD fixture/ When not using the CVVD fixture
When Using the CVVD fixture
(1) Install the CVVD fixture (A) over the CVVD assembly.
(2) Remove the CVVD assembly.
When not using the CVVD fixture
(3) Remove the CVVD assembly.
Remove the Intake CVVT (A).
Remove the
SEE MORE:
Engine oil flow diagram
Components
Variable oil pump
Variable oil pump sproket
Oil Pressure & temperature sensor
Oil filter
Filter cap O-ring
Filter cap
Safety pin
Oil cooler
Engine oil flow diagram
Replacement
WARNING
Prolonged and re
Engine Cover
Removal
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Remove the engine cover.
(Refer to Engine Mechanical System - "Engine Cover")
Disconnect the ignition coil connectors (A).
WARNING
When remov
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual