Hyundai Tucson: Timing System - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Mechanical System / Timing System / Timing System -
Removal
- Disconnect the battery negative terminal.
- Turn the crankshaft damper pulley clockwise, and align its groove with the timing mark of the timing chain cover.

- Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
- Remove the cam to cam guide (A).

- Remove the timing chain tensioner (A).

WARNING
- Before the removal of timing chain tensioner, compress
tensioner piston then remove the tensioner
after fixing with fixing pin (A).

- Remove the timing chain tensioner arm (A).

- Remove the timing chain (A).

- Remove the timing chain guide (A).

- Remove the oil pump chain.
(Refer to Lubrication System - "Oil Pump")
- Remove the crankshaft sprocket (A).

Inspection
Sprockets, Hydraulic Tensioner, Chain Guide, Chain Tensioner Arm
- Check the camshaft sprocket, crankshaft sprocket teeth for abnormal wear, cracks or damage. Replace if necessary.
- Check a contact surface of the chain tensioner arm and guide for abnormal wear, cracks or damage. Replace if necessary.
- Check the hydraulic tensioner for its piston stroke and ratchet operation. Replace if necessary.
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Timing System - Installation
Install the crankshaft sprocket (A).
Place the crankshaft key at the left 180º.
Install the oil pump chain.
(Refer to Lubrication System - "Oil Pump")
Install the timing chain (A).
WARNING
When in
SEE MORE:
Exterior Bumper Antenna
Disconnect the negative (-) battery terminal.
Lift the vehicle.
Disconnect the antenna connector (A) from the rear bumper.
Remove the antenna (B) after loosening mounting nuts.
Buzzer
Disconnect the negative (-) battery terminal.
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.
Information
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