Today I took an immaculate 2004 A3 Tdi 2Ltr with only 49K on the clock and full audi service history for a test drive. The car was a joy to drive and I must admit I am smitten with it. However, prior to taking it out on the road, I checked for DMF wear. I depressed the clutch and the dreaded knocking was heard (not loud) but definitely there, when I released the clutch it stopped. I did this several times to make sure and each time I heard the knocking. I spoke to the salesman and he assured me that nothing was amiss and was quite happy to give me 6 months warranty. I took the car out on the road and everything seem to be okay. When I returned to the garage, I put the car in neutral and depressed the clutch, expecting to hear the knocking noise but it wasn't there!
Is this a classic sign of the DMF on its way out? i.e. Can hear a knocking sound when cold but once the car has warmed up it disappears.
Thanks in anticipation