There is no Power Steering Filter on a 2002 Subaru Legacy/Outback.
could be something with the steering or with the power steering pump.
http://www.antennamastsrus.com/Instructions%20Mast.htm
I found no mention of a power steering filter in the owner's manual or in the service manual for Outback.
Remove belt guards, loosen alternator hold-down bolt, loosen belt tensioner, remove belt, unhook power steering line clamps and lines at reservoir, remove reservoir and pump. Reinstallation is reverse of disassembly.
There is no dedicated fuse for the power seats.
The 2012 Subaru Legacy is 5 ft. 11.7 in. (71.7 in.)1 one-touch power windows wide.
The 2013 Subaru Legacy is 5 ft. 11.7 in. (71.7 in.)1 one-touch power windows wide.
The 2008 Subaru Legacy is 5 ft. 8.1 in. (68.1 in.)1 one-touch power windows wide.
The 2005 Subaru Legacy is 5 ft. 8.1 in. (68.1 in.)1 one-touch power windows wide.
The 2004 Subaru Legacy is 5 ft. 8.7 in. (68.7 in.)1 one-touch power windows wide.
The 2009 Subaru Legacy is 5 ft. 8.1 in. (68.1 in.)1 one-touch power windows wide.