Hi, first post so here goes.
I need some opinions please. I have got a 2000 DSE with about 140K miles on the clock.
I have a high pitched noise from the top of the engine at the front. Louder when it is cold, it gets quieter after a run.
It goes OK and starts OK even with engine hot so I don't think the timing chains are too stretched yet.
It does not sound like followers or tappets.
I suspect the EGR vacuum pump. I don't actually need the pump any more as I have blanked off the EGR.
Has anybody removed the vac pump completely? If so does it leave an opening to the end of the camshaft that needs blanking off?
I haven't looked in detail what is involved as yet.