Diverter Valve Trouble?


Registered User

My brother has a mk1 TT 1.8T 225 on an X reg. It has had quite a few owners and has done just over 100k miles, but he bought it as a weekend toy so he's fixing bits up starting with the boost and intake lines.

His car makes a flutter when he opens up the throttle, is this anything to be worried about and if so how do we fix it? it has what can only be described as a halfrauds special induction kit fitted which will be coming off very soon and is being replaced with a Ramair closed loop system since the halfrauds one is just resting on the engine bay and the breather pipe left wide open.

This is the sound it makes, and this guy points to the diverter valve

Any help would be greatly appreciated!