When you turn the wheel, or while you drive?
sounds like the right front motor mount .i replaced mine and the clunking sound went away
Check for loose/worn steering components i.e. tie rod ends, ball joints
link pin needs replace
Tie rod might need replacement.
probably a blown head gasket
how to replace a front fog light on a ford focus
STRUTS
The 2003 Ford Focus has 53.7 in. of front shoulder room.
The 2012 Ford Focus has 55.6 in. of front shoulder room.
The 2011 Ford Focus has 41.7 in. of front leg room.
The 2003 Ford Focus has 49.4 in. of front hip room.
The 2014 Ford Focus has 55.6 in. of front shoulder room.