I would guess that it depends on the model, but on a 2005 Ion 2 it is 30mm.
should be 17mm
Its a 30mm socket
30mm
a 32mm
35mm
36mm
try a 36mm
34mm
The front spindle nut on a 1991 Honda Civic requires a 32mm axle nut socket.
Spindle nuts very from 30mm to 34mm
The front spindle nut size is 36mm on a 2003 Durango 2wd. I found this out after 3 trips to the parts store...
32 mm