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  1. #1
    Veteran Member Four Rings J-jizzle's Avatar
    Join Date
    Aug 28 2007
    AZ Member #
    20643
    My Garage
    Tools, Parts and the GTI beater
    Location
    Birmingham Alabama (Tennessee)

    What does this thing do in my fender.

    I took my rear fender carpet out the other day for cleaning. This was behind it on the drivers side. What does it do?

  2. #2
    Veteran Member Four Rings vortexjunkie's Avatar
    Join Date
    Sep 12 2009
    AZ Member #
    47661
    Location
    Manteca/Lathrop

    im going to go with it has something to do with relieving pressure build up in the gas tank... just my guess

  3. #3
    Veteran Member Four Rings BASARAB's Avatar
    Join Date
    Mar 01 2010
    AZ Member #
    55352
    Location
    Farmington Hills,Mi

    Leak detection pump

  4. #4
    Veteran Member Four Rings AudiA4Turbo22's Avatar
    Join Date
    Dec 06 2007
    AZ Member #
    23140
    My Garage
    '03 Audi A4 1.8TQ Tip, '14 Mbz E63 S-AMG, '02 GMC Sierra Denali, '75 DJ5 Postal
    Location
    SoCal

    charcoal canister for fuel system.
    -Kirk
    AZ's First 2.0 Stroker 3076R Powered Tiptronic B6 Built by RavenMS. Powered by PSI Concepts & GIAC

    BetaAlphaTau Member #58

    "The last time someone tried to put GRAMMAR in their shit it caused a massive over boost and their motor shit the bed." - Turbavanttro

  5. #5
    Senior Member Two Rings
    Join Date
    Feb 22 2008
    AZ Member #
    25601
    Location
    ma/ct

    leak dection pump, it pressurizes the gas tank and evap system to test for leaks

  6. #6
    Veteran Member Four Rings J-jizzle's Avatar
    Join Date
    Aug 28 2007
    AZ Member #
    20643
    My Garage
    Tools, Parts and the GTI beater
    Location
    Birmingham Alabama (Tennessee)

    Thanks for the info. When should this filter be replaced. It looks in ok shape.

  7. #7
    Veteran Member Four Rings AudiA4Turbo22's Avatar
    Join Date
    Dec 06 2007
    AZ Member #
    23140
    My Garage
    '03 Audi A4 1.8TQ Tip, '14 Mbz E63 S-AMG, '02 GMC Sierra Denali, '75 DJ5 Postal
    Location
    SoCal

    i believe that is the filter that basically vents the air from the fuel tank to atmosphere after filtering the air. think hepa filter.
    -Kirk
    AZ's First 2.0 Stroker 3076R Powered Tiptronic B6 Built by RavenMS. Powered by PSI Concepts & GIAC

    BetaAlphaTau Member #58

    "The last time someone tried to put GRAMMAR in their shit it caused a massive over boost and their motor shit the bed." - Turbavanttro

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