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Old 10-27-2015, 02:18 PM   #2
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lkchris's Avatar
Join Date: Jan 2014
Location: Albuquerque, NM, USA
Posts: 667
First thing is to remove the plastic cap and tighten the nut.

Then before putting the cap back watch what happens when you turn wipers on.

If the shaft and nut are turning, but the blade doesn't move, splines are stripped. Hope it's the splines on the arm rather than those on the shaft.
Kent Christensen
2001 Boxster
2007 GL320 CDI, 2010 CL550
3 BMW motorcycles
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