cold air on tickover

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  • pastures16
    S2Forum Fiend
    • Nov 2004
    • 2058
    • Country: United Kingdom

    #1

    cold air on tickover

    right lads here a new one for you
    when the engine is hot i get hot air out of the heaters when on the move but when i park up for 5mins and leave it on tickover it blows cold could this be a worn/lazy water pump
    94 s2 avant
    aoc member 1116
  • Fat Audi 80
    Super Moderator
    • Jan 2004
    • 10547
    • Country: England

    #2
    Air lock resticting supply to heater matrix?
    The Perfectionist
    sigpic
    Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.

    Comment

    • pastures16
      S2Forum Fiend
      • Nov 2004
      • 2058
      • Country: United Kingdom

      #3
      how could this happen ive not had any water leaks or had the hoses off
      94 s2 avant
      aoc member 1116

      Comment

      • Fat Audi 80
        Super Moderator
        • Jan 2004
        • 10547
        • Country: England

        #4
        It was a guess.

        Or

        Partially blocked pipe back into the heater matrix. My Golf gti does the same, but it is a known fault with the one way valve.

        I would consider flushing the system and changing the antifreeze as a starting point.

        HTH

        Cheers,

        Steve
        The Perfectionist
        sigpic
        Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.

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