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Pump noise after turning car off when hot

Discussion in 'A3/S3 Forum (8L Chassis)' started by willh92, Oct 3, 2013.

  1. willh92

    willh92 Member

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    Hi all,

    Might be a stupid question but just got my '99 S3 and when i turn it off and it's hot I can hear liquid running near the front of the bonnet. Could this be some sort of after run pump, I'm not yet familiar with the S3 motor so this is probably a noob quesiton.

    Cheers
     
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  3. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow...
    Staff Member Moderator Audi S3

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    Yes... S3's have an after run pump thats runs for around 10mins after the engine is turned off

    <tuffty/>
     
  4. willh92

    willh92 Member

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    What purpose does the after run pump serve exactly?
     
  5. jojo

    jojo Looking for Boost!
    Staff Member Moderator quattro Audi S3

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    Keeps coolant circulating around the turbo to preserve it's life.
     

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