passenger side wiper not working on 1998 Ford Expedition

passennger side wiper not swiping. stud rotates wiper does not. is there a way to tighten it down or how do I get the arm off to replace

Asked by for the 1998 Ford Expedition
1 answer
you should be able just to tighten the nut on the pivot if it is of that design. If not the arm may be stripped out- it will have a lock tab on the underside at the pivot- slide it to the side and lift it off and check the splines for damage. Good luck!!