arctic xtreme cooler

Has anybody tried replacing the cooler on an iChill 1080 Herculez (or whatever fancy name they've given it)? One of the fans has had it's bearings give out and it's triggered some strange behaviour in the GPU - the other fan now constantly spins at full whack and is reporting 0 RPM on any...

Hiya, I managed to get the unit installed but the cooling unit has a bit of play. The backplate needs the front plates on to secure but you can't have the front plate on with this cooler so I've only got the backplate secured with the 4 mount screws. I've tightened those as much as I dare but...