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Headlamp washers pop up but don't spray?!

Discussion in 'A3/S3 Forum (8L Chassis)' started by Bad Sir Culation, Jan 29, 2014.

  1. Bad Sir Culation
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    Bad Sir Culation Member

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    [Jan 29, 2014]
    Replaced the pump tonight and now it can be heard working and the washers pop out of the bumper, yet nothing comes out of either.

    Anybody experienced this before?
    #1
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  3. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Jan 29, 2014]
    blocked pipes
    the popups need water preasure to pop up so surprised theres no water
    #2
  4. s3mad_dude
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    s3mad_dude Noggies ruuuule!

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    [Jan 29, 2014]
    I've had mega issues with my rear washer and the pump was running and no leaks anywhere.....but no water coming out the jet!! The cause was a faulty jet. Yes, it was brand new out the repair kit but took a lot of poking and fiddling before water started to spurt out of it with decent pressure instead of just a trickle. Check that there's no kinks in the pipe work, the washers are not blocked up with **** or misaligned. If you can, can you get the water to come out of the washers before everything is assembled together so you can sort of see what's happening as you operate the pump?

    Good luck Sir and let us know how you get on.
    Last edited: Jan 29, 2014
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  5. epox
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    epox Active Member

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    [Jan 29, 2014]
    sounds like blocked jets, as above if they popup there is water getting to them,

    mark
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  6. Bad Sir Culation
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    Bad Sir Culation Member

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    [Jan 29, 2014]
    What's the best way of unblocking them? I don't want to risk damage. I suppose I'm going to have to mess about getting the bloody covers unclipped again! :sob:
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  7. epox
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    epox Active Member

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    [Jan 29, 2014]
    could trying blowing compressed air through them, from the pump side?

    mark
    #6
  8. Bad Sir Culation
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    Bad Sir Culation Member

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    [Jan 29, 2014]
    Bumper off again this weekend then :(
    #7
  9. epox
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    epox Active Member

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    [Jan 29, 2014]
    amazing how quick you get at taking the bumper off with these cars lol:banghead:
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    s3dave likes this.
  10. Lewis583
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    Lewis583 Active Member VCDS Map User

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    [Jan 29, 2014]
    With the pipes disconnected blow backwards through the jets with an airline. Against normal direction of flow. Should clear them out.
    #9
  11. Bad Sir Culation
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    Bad Sir Culation Member

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    [Jan 29, 2014]
    If the pipes, rather than the nozzles, were blocked though, wouldn't that stop them popping up completely?
    #10
  12. Lewis583
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    Lewis583 Active Member VCDS Map User

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    [Jan 30, 2014]
    Yes. The washers rely on water pressure to push them out of the bumper. The fact they are raising indicates pressure/fluid is getting to the washers. It just can't spray out of the jets/nozzles.
    #11
  13. s3dave
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    s3dave TFSI Hybrid

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    [Jan 30, 2014]
    So true...

    mines like a ten year old slipper now....:lmfao:
    #12

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