Sounds like the wiper arm is broken, you can buy a new arm and blade from Ebay for less than £15 I went to Halfords first and they don't sell rear wiper arms. Mine has just arrived in the post today so I haven't had chance to put it on. My wiper arm was so badly damaged that it just fell off.
JB77
January 2011
tighten the nut holding it on then!!!!!
Give me strength
October 2008
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