Posted 2/24/2009 08:10 (#620845 - in reply to #620723) Subject: RE: 2000 F 150 windsheild wiper "slips"
Northeast Iowa
Had same problem .Stopped at my local mechanic, he just tightened up a bolt or clamp on bottom of wiper arm. make sure you have it in the right position when you tighten it up though. very simple. good luck.