EGR problem

[SinghB7]

A friend of mine has a A4 2.0 tdi 140 blb engine

when turning the ignition off, there is a clicking coming from the egr valve, around the area were the black block solenoid?

Any one know anything about this?

 

[hubbo1]

A friend of mine has a A4 2.0 tdi 140 blb engine

when turning the ignition off, there is a clicking coming from the egr valve, around the area were the black block solenoid?

Any one know anything about this?

probably full of carbon and stuck, quite common