You can not replace it unless it's an old ford focus.
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How much does labor cost to replace a shift solenoid in a ford focus?
Tools needed to replace front brakes 2002 Ford Focus?
To replace the hatch lift supports on a Ford Aerostar, first, safely prop the hatch open to prevent injury. Remove the old lift supports by detaching them from the mounting brackets, usually via a simple clip or bolt. Install the new lift supports by securing them onto the same brackets, ensuring they click or fasten into place properly. Finally, test the hatch to ensure it opens and closes smoothly.
Yes
Check out the related link for a video on how to replace a crankshaft position on a Ford Focus SE.
It will cost you about $743.00 to replace a vacuum tube on a Ford Focus 2002.
How do you replace front wheel bearing on a ford focus