YOUR RESEARCHJumpy wipers... electrical issue?
1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.
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1 matching discussions · 7 captured posts examined · 0 partial discussions
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7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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Odd and intermittent fault with my 4S. When the wipers are switched off to park either manually or by the rain sensor, the wipers sometimes do a little jolt/jump. I'm guessing some relay or switch issue rather than the mechanism or motor as its only when being switched off. Any ideas? Easy fix?
To be honest .. i have no idea :dont know: But i hate to leave a question unanswered !! Ive looked at a wiring diagram , posted below and my best guess .. Linkage or wiper motor . The motor has a permanent feed to a contact ring inside the motor .. this is what parks the wipers after its turned off . There are other contact rings but these are not powered in the off state . Either a problem with this ring or a linkage fault .. something tight that is almost jamming it . If there was a problem with the feed to the motor then it would tend to stop at different places across the screen .. not just in the almost park setting .
Usually the 1st sign the motor is starting to fail.
Thanks very much for your investigations Demort, much appreciated. Sounds like it might be the motor. Is it a pain to access and have a look at the motor/linkage, see what's going on and replace if necessary?
I removed the linkage on my C4 recently. You will see details in my project thread. Not hard, just got to take a few things off to get at it. MC
As MC said .. its not hard .. 3 bolts .. couple of bars to remove and its out . Instructions will be in the 996 faq and the workshop manual post .
Cheers guys :thumb:
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