By pressing the latch of the block of the wiring harness of the engine management system..
... disconnect the block from the valve connector.
We remove the rubber tip of the tube for supplying vacuum to the pneumatic chamber of the system actuator from the valve fitting.
Having disconnected the rubber hose of the vacuum reservoir from the upper fitting of the valve, press the valve lock in the direction of the arrow (shown in the photo) …
... we move the valve down along the bracket guide and remove it.
Having opened the clamp, we take out the vacuum reservoir of the system from it.
We install the solenoid valve and the vacuum reservoir of the system for changing the length of the intake tract in the reverse order.