My noises is identical to yours Strike_lightning, the box "rattles" when the aircon is on, and makes less noise when it is off. I get rattle at really low revs in 1st gear too. Mine has TranzmaxZ in the box, I noticed no change in rattle noise but it did shift a whole lot smoother. Going by what Turbo Vixen said, are these 2 seperate noises, Rollover and throwout bearing, or is it all related to roll over noise?