Hyundai Accent: Variable Intake Solenoid
(VIS) Valve. Description and OperationDescription

|
Engine condition |
VIS valve |
Operation |
|
Medium speed |
Closed |
Increasing engine performance in low engine speed by
reducing intake interference among cylinders |
|
Low / High speed |
Open |
Minimizing intake resistance by shortening intake manifold
length and increasing area of air entrance |

Installation
Variable Intake Solenoid
(VIS) Valve. SpecificationsComponents
1. Driver Airbag (DAB)
2. Steering Wheel
3. Clock Spring
4. Passenger Airbag (PAB)
5. Side Airbag (SAB)
6. Curtain Airbag (CAB)
7. Seat Belt Pretensioner ( ...
Replacement
1.
Disconnect the battery negative cable from the battery and then
wait for at least 30 seconds.
2.
Turn the steering wheel so that the fro ...
Removal
1.
Remove the ignition key from the vehicle.
2.
Disconnect the battery negative cable and wait for at least three
minutes before beginning ...