1. We clean the electropneumatic valve from dirt.
2. To check the tightness, disconnect the rubber hoses from the valve fittings. By connecting a clean hose to the central fitting, we create a vacuum with our mouth.
Air should not pass through a closed serviceable valve.
3. To check the operation of the valve, turn on the ignition. A serviceable valve should open, and when a vacuum is applied to the central fitting, air should pass. When disconnecting and connecting one of the valve power wires, it should work with a characteristic click.
4. Turn off the ignition.
5. To replace the valve, disconnect the wires from the valve outlets and the rubber hoses from the valve fittings.
6. socket wrench for 8 mm unscrew the nut securing the valve to the stud on the mudguard and remove the valve.
Installation
The valve is installed in the reverse order.
Attention! A hose from the intake manifold is connected to the central fitting, and a hose from the carburetor economizer is connected to the side fitting.