drivetrain

Hi, I was doing an engine compartment inspection when I spotted some rust on a component in the drive-train. The car is 1 year old and has just been serviced. The picture attached shows what I'm talking about --- it sits between the passenger-side drive-shaft and the gearbox. Is this any...

When I drive my Cupra tdi, occasionally when I accellerate the revs go up as if power is being bled away somewhere, instead of acellerating normally, there will be a delay and the revs will rise and no froward momentum will be felt! Even if i leave my foot down the revs will fall back and the...