Hi there, It took me while to write over here, I didn't know how to begin but here I am..: I'm having some problems with my V6 4motion 52 plate Golf. There is this rattling/knocking sound coming from the engine whilst warm only. When it's cold I think there's 'only pulleys' I'm hearing(sound like a washing machine being on a rinse mode running very slow), in short: When the engine gets warm(around 90 and more celzius) you can hear rattling/knocking sound coming from it mostly when you hit 2000-4000 rpm. My local garage had put their hands off it, I took it to a VW specialist in Derby) they wer