Axle assembly and method of reworking an axle assembly

An axle assembly (10) including a housing (11) having a first axle tube (16) and a second axle tube (18), a crown wheel (32) mounted in the housing, a pinion (30) in meshing engagement with the crown wheel, a first reservoir for retaining fluid in contact with the crown wheel for lubricating the crown wheel, a second reservoir (36) for retaining fluid remote from the crown wheel, a first system for transferring fluid in the first reservoir to the second reservoir, a second system for transferring fluid in the second reservoir to the first reservoir, a sensor (38) for generating a signal representative of an axle assembly characteristic, the axle assembly further including a control system (40) for receiving said signal and operating said first system and or said second system to transfer fluid to or from the first reservoir in response to said signal.