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How to tighten my wiper arm?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Brad89, Nov 16, 2009.

  1. Brad89
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    Brad89 Member

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    [Nov 16, 2009]
    Hi all

    My drivers side windcreen wiper leaves a really annoying smudge right in my line of sight. Ive tried a new wiper but thats not the problem. Its not got enough pressure against the windscreen. Hence it leaves this annoying smudge in the middle. I cant work out how to tighten the spring in it. Can someone please help?
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  3. Boydie
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    Boydie Boycie VCDS Map User

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    [Nov 16, 2009]
    You might just require a replacement due to wear and tear of the part - have you priced a new one from Audi?

    You could try and see if the actual arm requires tightening - at the bottom of the arm, there is a small cap covering a 13mm nut (as far as I remember) give that a wee tweak and see if it helps.
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  4. Brad89
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    Brad89 Member

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    [Nov 16, 2009]
    Yeah I wanted to try and tighten it and see if that made a difference before i went for a new one. I just didnt know how to! So would i pop off that cap with a screwdriver (seems to be on there pretty tight)? And tighten that screw. Would that tighten the tension on it?
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  5. Boydie
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    Boydie Boycie VCDS Map User

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    [Nov 16, 2009]
    There will be a small recess on the cap so get a small flat head and just pop it off - you will find that the nut holding the wiper blade on will probably be solid anyway but just to make sure incase it has loosened - doubtfull though as the whole arm would be all over the place.

    I suspect the spring has either broken or lost its spring/elasticity so I would definately ring about a replacement, especially in this crappy weather!
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  6. AR-CoolC
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    AR-CoolC New Member

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    [Nov 16, 2009]
    The springs don't really wear out as such, but it could be not returning all the way back down if it has corrosion or a build up of crud.

    Put the wiper in the service position and lift the arm, give the spring a good old squirt or WD40 (or whatever you have) to clean the crud out (the spring is stretched at this piont so the spray will get between the coils)

    This may or may-not work, but woth a try.
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  7. Tricks
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    Tricks New Member

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    [Dec 23, 2009]
    Hi,

    I was having this problem and took your advice. It turned out the hinge on the arm was slightly seized. A liberal spray of WD40 sorted this out and I can now see where I am driving without having to bend double!

    Phil
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  8. Boydie
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    Boydie Boycie VCDS Map User

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    [Dec 23, 2009]
    Maybe try get the wiper arm off and put some white grease on the joint - wd40 will wash away
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