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Hyundai Azera: Variable Intake Solenoid (VIS) Valve Repair procedures - Engine Control System - Engine Control/Fuel System - Hyundai Azera 2011-2025 Service ManualHyundai Azera: Variable Intake Solenoid (VIS) Valve Repair procedures

Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the VIS valve connector.
3.
Measure resistance between the VIS valve terminals 1 and 2.
4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the variable intake solenoid valve connector (A).
3.
Disconnect the vacuum hoses (B, C) from the valve.
4.
Remove the installation nut (D), and then remove the valve.
[Vave 1 (Intake manifold)]

[Vave 2 (Surge tank)]

Installation
   
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
   
•
Be careful of foreign material not to flow into the valve.
1.
Installation is reverse of removal.
Variable intake solenoid valve installation nut:
5.9 ~ 8.8 N.m (0.6 ~ 0.9 kgf.m, 4.3 ~ 6.5 lb-ft)
Variable Intake Solenoid (VIS) Valve Schematic Diagrams
Circuit Diagram ...

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