The most likely cause of this is a leaking or failed head gasket,with the engine running,see if there is excessive pressure reaching the header tank,also examine your oil dipstick,and an emulsified oil level (a creamy consistency),indicates also a failed head gasket,if you are not sure,take it to your nearest garage for a check to be carried out.
the power steering reservoir is located next to coolant expansion tank in the engine compartment.
No, an expansion tank is not required.
It is just a expansion tank. Henry
to circulate water in fresh water tank to expansion talk.
The gas tank on the 2001 Ford Focus holds 13.2 gal..
The gas tank on the 2003 Ford Focus holds 13.2 gal..
The gas tank on the 2010 Ford Focus holds 13.5 gal..
The gas tank on the 2012 Ford Focus holds 12.4 gal..
The gas tank on the 2011 Ford Focus holds 13.5 gal..
The gas tank on the 2002 Ford Focus holds 13.2 gal..
The gas tank on the 2008 Ford Focus holds 13.5 gal..
The gas tank on the 2014 Ford Focus holds 12.4 gal..