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Help - coolant warning light on S3

Discussion in 'A3/S3 Forum (8L Chassis)' started by bantam1, Jan 8, 2007.

  1. bantam1
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    bantam1 Member

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    [Jan 8, 2007]
    Hi All,

    As per title I got the horrible beeps and coolant warning symbol on the DIS this morning when starting up. Coolant level seems fine and this disappeared when I switched off the ignition and started up again. Any idea if why this might have happened?

    Cheers,

    B.
    #1
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  3. madvw
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    madvw Active Member

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    [Jan 8, 2007]
    knackered expansion tank sensor?
    #2
  4. ChriS3
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    ChriS3 hud at ye bam

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    [Jan 8, 2007]
    Common fault on a cold morning. Apparently.
    #3
  5. Aky
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    Aky Aky

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    [Jan 8, 2007]
    I had this on my golf - just had to top it up ever so slightly & it went off.
    #4
  6. AL_B
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    AL_B Active Member

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    [Jan 8, 2007]
    We had this on our Golf GTi Anni.

    1st time - turned out to be Coolant Temp Sensor
    2nd time - Water pump
    3rd time - Coolant level sensor

    Finally, all is ok now.
    #5
  7. C_Audiboy
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    C_Audiboy Vroom Vroom

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    [Jan 8, 2007]
    #6
  8. bantam1
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    bantam1 Member

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    [Jan 8, 2007]
    Many thanks all - seems fine at the mo but I'll investigate the other threads.

    Regards,

    B
    #7
  9. bantam1
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    bantam1 Member

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    [Jan 8, 2007]
    OK - read the threads, and thanks for those. If I need to top up must this be coolant or can I put in a small amount of water without worrying?
    #8
  10. C_Audiboy
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    C_Audiboy Vroom Vroom

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    [Jan 8, 2007]
    Water is what I used, I think a small amount is fine.
    #9
  11. Aky
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    Aky Aky

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    [Jan 8, 2007]
    small amount of water is fine
    #10
  12. monkeytrousers
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    monkeytrousers Member

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    [Jan 8, 2007]
    yeah ... try 100ml at a time, until it stops the warning going off.
    #11

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