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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.

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

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High Pressure Fuel Line

Release residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") Turn the ignition switch OFF and disconnect the battery (-) terminal. Remove the air cleaner assembly. (

Wiper blades

Blade inspection Contamination of either the windshield or the wiper blades with foreign matter can reduce the effectiveness of the windshield wipers. Common sources of contamination are insects, tree sap, and hot wax treatments used by some