Originally Posted by gunmetalgrey

yeah mine does that also, the guys on here know much more about all this than me but there is a a sort of mini gearbox inside the silver box that drives this runner cable. i believe this is what makes the noise and it eminates from out under the dash.

the flap on mine ws actually opening and shutting, but it was not shutting fully, due to the loose return spring as i have said, therefore fooling the ecu.

chris.