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'Warm' lines across roof

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Jameze, Mar 25, 2013.

  1. Jameze
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    Jameze James

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    [Mar 25, 2013]
    Sorry for the thread but it's always intrigued me...

    Why does snow / ice always melt in this pattern on my roof?

    [​IMG]

    I assume it's some description of wiring in the roof which is warm? It's pretty much runs across the driver / passenger's head.

    I notice it all the time and it always makes me wonder what causes it!
    #1
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  3. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Mar 25, 2013]
    my bonnet does that
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  4. Johnny Bravo
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    Johnny Bravo 6+1 Gears

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    [Mar 25, 2013]
    There are reinforcements in those areas and the temperature is different.
    You can see better on the bonnet. If you remove that noise insulator you'll notice that the pattern matches the reinforcements underneath.
    #3
  5. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Mar 25, 2013]
    That's the supports on roof & bonnet.

    Edit: beaten to it lol.
    #4
  6. Jameze
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    Jameze James

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    [Mar 25, 2013]
    Aaah completely different to what I thought then!

    Cheers, I've always wondered exactly what causes it. I can put my mind to rest now :)
    #5

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