"Chris Bartram" > wrote in message
. uk...
> Juan Hanglow wrote:
> > A4 2.4 SE V6 '97
> >
> > I had ALL the cam belt related parts changed a few months back,
including
> > water pump, now and have noticed a drop in MPG. She's gone from 31 to
> > 29..............would this be expected.
> >
> >
> If the mechanic changing it got the timing wrong it could do- if for
> example the valvegear was out by one tooth it would be enough to affect
> performance but might not damage the engine.

That thought crossed my mind after I posted my earlier, frivolous, reply.
But even one tooth would cause a huge loss of power/performance, wouldn't
it?

Juan, is performance otherwise unaffected?

Regards

Jonathan