2003 Toyota Sequoia "fix rear windshield wiper 03" Questions

fix.Take the plastic cap off the wiper arm plates (on the top of the wiper motor) which is under a cover if you look left rear as you open the hood.Spray the plates with a light oil (wd40 etc) and tap

fix them The motor could be bad, but it's likely that the ball joint connections under the hood area under the cowl have become disconnected for the one windshield wiper arm. The connection of the arm