Hyundai Tucson: Timing System - Installation
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Mechanical System / Timing System / 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 installing the timing chain, be sure that the timing mark (A) of each sprocket is matched with the timing mark (B) (color link) of the timing chain.
Intake CVVT Timing Mark

Exhaust CVVT Timing Mark

Crankshaft Sprocket Timing Mark

- Confirm that the TDC marks on the intake and exhaust CVVT sprockets are aligned with the top surface of cylinder head.

- Install the timing chain guide (A).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

- Install the timing chain tensioner arm (A).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

- Install the timing chain tensioner (A).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

WARNING
- Install the timing chain tensioner, and then remove the pin
(A).

- Install the cam to cam guide (A).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

- After rotating crankshaft 2 revolutions in regular direction (clockwise viewed from front), confirm that the TDC marks on the intake and exhaust CVVT sprockets are aligned with the top surface of cylinder head

- Install the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
- Install the other parts in the reverse order of removal
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48V Battery System - Description
Description
The Mild Hybrid Electric Vehicle (MHEV) uses hybrid power source (Engine,
MHSG), so its fuel efficiency is relatively high
and exhaust emission is very small compared to the traditional vehicle which
uses only engine as power source
SEE MORE:
When Using the CVVD fixture
When installing the CVVD assembly mounting bolts (M6), tighten sequence
shown.
Tightening torque :
1ST
4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)
2nd
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
Remove the CVVD fixture
Electronic Stability Control (ESC)
Electronic Stability Control helps to
stabilize the vehicle during cornering
maneuvers.
ESC checks where you are steering and
where the vehicle is actually going. ESC
applies braking pressure to any one of
the vehicle's brakes and int
Information
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