The hardest part is finding the replacement blade. See sources and related links below. After having new wiper blade in-hand, press the button or tab where the wiper blade is inserted into the hook on the arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make clearance for the hook.
how to replace water pump on 2001 ford focus
How do you replace the windsshield wiper relay in a 2004 Ford Focus. It would appear that the relay is in the fusebox, but access to it is impossible. Looks like the fusebox may need to be removed to access.
The 2001 Ford Focus takes 22" drivers side and 19" passenger side replacement windshield wiper blades. (If applicable, the rear wiper blade on the hatchback is 14" and the rear wiper blade on the wagon is a 10" or 11"). See sources and related links below for more information.
How do you replace front wheel bearing on a ford focus
I need daigram of 2001 ford focus se serpentine belt
This answer varies slightly depending on the year and body type of the Ford Focus. There are 10 model years and hatchbacks vs. wagons.
How do you change the wiper control module on a 2006 Ford Focus
By going to a garage
See the answer for "How do you replace the drive belt in a 2000 Ford Focus?". The procedure is the same.
About $1000 each.
how do you replace rear wiper motor on a 1997 ford explorer
There are 4 screws that hold it on.