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Need A Bit Of Help

Discussion in 'Audi S4/A4/A4 Cab (B8 Chassis)' started by Mat1987, Aug 19, 2014.

  1. Mat1987
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    Mat1987 New Member

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    [Aug 19, 2014]
    Hi there

    Could someone confirm what this part is in the photo on my old man's S4 as it has started to make a hissing sound and leaking. I know it's to do with the radiator but wasn't sure what exactly

    Cheers

    20140819_120341.jpg
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  3. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Aug 19, 2014]
    Aircon condenser
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  4. Mat1987
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    Mat1987 New Member

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    [Aug 19, 2014]
    ahhh right, can it just be taken off to inspect to see why it is hissing? it is just constantly hissing at the moment
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  5. NHN
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    [Aug 19, 2014]
    TBH you should take it to a garage & get it tested with dye in the system & see where its leaking from, is it the metal grated unit in front of the rad or the sensor on the end of the loom you're referring to?
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  6. Mat1987
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    Mat1987 New Member

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    [Aug 19, 2014]
    sorry should have pointed it out a bit more, it is the sensor with the loom coming from it, just under the torx bolt is where the hissing is coming from as when you put your finger near it it about stops, its like a seal has come away if you understand my meaning
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  7. NHN
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    [Aug 19, 2014]
    Maybe needs tightening or replacing, could be a G65 sensor which do go faulty.
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  8. Mat1987
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    Mat1987 New Member

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    [Aug 19, 2014]
    yeah did wonder about the tightening but that doesn't seem to have done anything so will have to get it booked in at Audi then

    thanks for you help nigel
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