rob84red

Hi, I was wondering if someone could help regarding a query on my DSG gearbox. I've been told by the garage that my DSG gearbox is way overdue a service as it's done over 90k miles. I had been told previously that it was a sealed for life and that it didn't need a service however I've now been told it's got an oil sump and filter which the filter and oil needs changing every 40k miles. They said they couldn't do it and to ring up the Skoda dealership/garage however they've repeated what I was told previously that it's a sealed unit and has no service requirements. Could someone confirm please? I'm growing increasingly concerned as I have noticed it begining to make a clunking sound when changing gears or when I put my foot down to pull out into a junction, the revs will go very high before it eventually jolts into the next gear.