Auto gearbox oil change - a8 quattro d2

[sloss]

Originally Posted by notorious

>> running idle it sounds like a diesel engine

Camshaft chain tension is maintained by oil pressure in our engines AFAIK.

If oil pressure is not that strong enough at idling, then chain starts to rattle. When RPM goes above idle, the oil pressure becomes strong enough to tension chain properly. Change oil pump and problem should disappear.

But it's a petrol engine so will be cambelt - yes?