Weight Reduction

WARNING: This page is about a different car, the 2008 Subaru Tribeca, 2008 Subaru Outback, and 2008 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

An aluminum bearing plate is used.
The planetary carrier, clutch drum and the hub are made of aluminum.
The wall thickness of the transmission case is reduced.