Mk1 Focus 29mm 235Nm
You can use channel-locks if you know what you're doing.
Mk1 Focus Euro spec (not US), rear hub nut, the big one in the middle, 29mm socket, torque to 235Nm
You need a bearing puller.
Could be a loose ground for the left rear light socket.
If you HAVE one.It would be the cigarette lighter socket, or some are on the rear of the console.
The 2004 Ford Focus has 53.5 in. of rear shoulder room.
The 2006 Ford Focus has 47.9 in. of rear hip room.
The 2014 Ford Focus has 33.2 in. of rear leg room.
The 2001 Ford Focus has 37.6 in. of rear leg room.
The 2014 Ford Focus has 38.0 in. of rear head room.
The 2013 Ford Focus has 33.2 in. of rear leg room.
The 2004 Ford Focus has 38.7 in. of rear head room.