Does anyone know how the VNT(variable turbo linkage) system works ?
Is this corect ? With engine off, VNT mechanical linkage rod is at it's longest and , in my opinion passes the pushdown test for free ( approx. 1") and easy movement. With engine at idle, linkage goes to it's shortest state.....then when I bring revs up to 2/3k ( stationary) I see the link rod extending.
I had a feeling it was the other way round ( i.e low vacuum at idle letting the rod go long) however, I'd be pleased to be put right here.
Thanks
Eddie
Is this corect ? With engine off, VNT mechanical linkage rod is at it's longest and , in my opinion passes the pushdown test for free ( approx. 1") and easy movement. With engine at idle, linkage goes to it's shortest state.....then when I bring revs up to 2/3k ( stationary) I see the link rod extending.
I had a feeling it was the other way round ( i.e low vacuum at idle letting the rod go long) however, I'd be pleased to be put right here.
Thanks
Eddie