Hyundai Tucson: Cylinder Head Assembly- Installation
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Mechanical System / Cylinder Head Assembly / 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.
WARNING
Always use the new inner and outer cylinder head cover gaskets.
(2) Apply liquid gasket sealant to the marked area of the cam carrier and assemble within 5 minutes of application.
Width : 2.0 - 3.0 mm (0.0787 - 0.1181 in.)
Specification : MS721-40AA or AAO
(3) Install the cylinder head cover (A) by tightening the bolts, in several passes, in the sequence as shown.
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)
WARNING
The firing and/or blow out test should not be performed within 30 minutes of assembling the cylinder head cover.
- Install the other parts in the reverse order of removal.
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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
Camshaft - Inspection
Measure the height of the cam.
Check the surface of the cam lob for wear and tear. If necessary, replace the
camshaft.
Cam height
Intake : 37.33 mm (1.4697 in.)
Exhaust : 37.44 mm (1.474 in.)
Inspect the camshaft journal clearance.
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Auto Lighting Control System
Description
It's a system that uses illumination sensor to automatically turn ON the tail
lamp and head lamp based
on the change in surrounding environment's illumination condition. It activates
when the vehicle enters/
exits tunnel, o
Diagnostic Procedure Using a Diagnostic
Instrument
The following section describes how to diagnose faults using a diagnostic
instrument.
Connect the diagnostic instalment to the self-diagnostic connector
(16-pin) beneath the crash pad on the side of driver's
seat, and then
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
