If the passanger wiper stopped working AND the drivers side is still working...one of two problems. the easiest is to pop off the black cap at the base of the wiper arm, under it you will find a nut. check to see the nut is tight. turn the wipers on and observe the post that the nut is on, if it is turning, then the nut needs to be tightened or the spline on the post or wiper arm is stripped. If the post is not turning, then most likely an arm on your wiper assembly has come off, remove the wiper arms remove the black plastic cowl and you will find the wiper arm assembly. good luck. HTH
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If the passanger wiper stopped working AND the drivers side is still working...one of two problems. the easiest is to pop off the black cap at the base of the wiper arm, under it you will find a nut. check to see the nut is tight. turn the wipers on and observe the post that the nut is on, if it is turning, then the nut needs to be tightened or the spline on the post or wiper arm is stripped. If the post is not turning, then most likely an arm on your wiper assembly has come off, remove the wiper arms remove the black plastic cowl and you will find the wiper arm assembly.
good luck. HTH