Checking The Control Valve

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the control valve. Refer to CONTROL VALVE, REMOVING AND INSTALLING .

-- Push the piston -1- in the direction of -arrow-.

Fig 1: Checking The Control Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Requirement

It must be able to push in the piston -1- 3 mm with even force against the spring force.