thanks chaps, the pics are a real help. after a bit of poking around i realise the bracket is partially still fixed to the arm, its just broken off where the sensor arm joins it, probably due to the arm seizing. with it all off I think its been like this for at least 2 mots but the latest tester has been more strict maybe. anyway it will be back working as soon as the new bits arrive. rather you than me changing those upper arms, luckily my originals seem pretty solid.
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