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Diesel filter on a 2.0TDI

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Soot1, Aug 12, 2013.

  1. Soot1
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    Soot1 Member

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    [Aug 12, 2013]
    Mine has been leaking since I changed it. It's leaking between the top cap and the body underneath. The only seal I can find is a thin O ring around the cap, is that all there is?
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  3. chris.vincent3
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    chris.vincent3 Own a BMW now, HOWEVER I still own VCDS!

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    [Aug 12, 2013]
    Had this exact same issue, my Bosh O ring snapped so I took the cap off again and put the old one back on and it's been fine since. That is all there is, unless you have done the cap up unevenly, but check the O ring.
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  4. Rhyso
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    Rhyso Active Member VCDS Map User

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    [Aug 12, 2013]
    Ive had two garages fail to fit my fuel filter properly

    What worked for me was position the lid, then use a hammer and gently tap the lid until flush with the body then put the screws in a tighten in a star pattern. I find the screws themselves are far too short to actually pull the lid down and create a tight seal

    be careful the leaking fuel hasnt contaimanted your alternator belt!! Fuel spilt onto my belt which then frayed and took out a coolant hose. That cost the garage a few quid!!
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  5. Soot1
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    Soot1 Member

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    [Aug 12, 2013]
    I've now fitted another seal between the top cap of the filter and the filter body. Made my own gasket from a sheet of 1mm. nitrile rubber, seems to be holding ok so far. Thanks for the warning Rhyso, Ill degrease the belt in the morning.
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  6. j4yvw
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    j4yvw New Member

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    [Aug 14, 2013]
    I had the same issue as well and ended getting another filter housing onlt to have the same issue DOH!!!!
    . The way I refitted the lid was to start at the side which has the hook (opposite to where you prise the lid open) you then put a screw in, while gently pushing down on the lid you put the rest of the screws in a star pattern and tighten them.
    #5

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