Now there's quality control, a 12 month warranty and it fails after 13 months. I'd expect only Mercedes could be capable of such precision. Defiantly a case of over-engineering.

Like I mentioned, I took the belt off and while I was there I checked everything that was near there. While the bad news was that the water pump squeaked, the good news was that everything else was quiet and tight, except for a slight front to back play on some pulleys.

So how exactly is a water pump bearing built?

And I'd be kind of nervous about putting one end of a screwdriver in my ear and the other end near something spinning