Hyundai Tucson: When Using the CVVD fixture/ When not using the CVVD fixture
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Mechanical System / Cylinder Head Assembly / 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 exhaust camshaft (A).
- Remove the exhaust CVVT (A).
WARNING
Fasten the timing chain to the engine hanger with a cable tie or
strap not to allow the timing chain to fall
down when removing the intake and exhaust CVVT & camshaft.
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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.
Camshaft - Installation
Install the intake CVVT (A).
Install the CVVD assembly (A).
WARNING
After installing the CVVD, check whether the swing arm is
separated or is installed correctly.
When installing the intake camshaft, spray the engine oil
Camshaft - Description
CVVD (Continuous Variable Valve Duration) System is a device to control the
optimum open and close timing according to
the driving mode by changing the valve opening section.
It is composed of cam shaft, CVVD assembly, and CVVD acatuator.
Th
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General Information
Troubleshooting
Wheel and tire diagnosis
Rapid wear at the center
Center-tread down to fabric due to
excessive over inflated tires
Lack of rotation
Excessive toe on drive wheels
Heavy acceleration on drive
Rapid wear at both sh
Tire Pressure Monitoring System - Replacement
Remove the tire.
(Refer to Suspension System - "Wheel")
Remove the screw with torx driver (A).
WARNING
When installing the bead brake, make sure that it does not come
in contact with the TPMS sensor.
Be careful no
Information
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