New RBD TechSpot blog post - How to replace the AVC Solenoids

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 The AVC provides control of the pneumatic valves on the system by using 24V DC solenoids to route air to either open or close the valves as needed.  The symptom for a failed solenoid valve is that the light on the AVC remote box indicates that the valve is open, but the actual valve does not open.  Or, it may be that the valve will not close.