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Temp gauge inop

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by aps360, Aug 2, 2014.

  1. aps360
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    aps360 New Member

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    [Aug 2, 2014]
    Hi all, can anyone point me in the right direction please,
    my temp gauge doesn't move,
    where should I start looking?

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    [Nov 27, 2014]

  3. aps360
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    aps360 New Member

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    [Aug 2, 2014]
    Forgot to say, what does the picture above mean lol
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  4. ms1083
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    ms1083 Member

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    [Aug 3, 2014]
    you need a new coolant sensor. mine did this. whats your car?
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  5. aps360
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    aps360 New Member

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    [Aug 3, 2014]
    It's a 2004 allroad 2.5 tdi manual
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  6. ms1083
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    ms1083 Member

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    [Aug 3, 2014]
    same as mine but mine is automatic so it will be the same. very simple job.

    pull engine cover off

    locate sensor - near the front, slightly to the drivers side, round thing with connector on top, should be green plastic in colour. I think the colour relates to the exact sensor fitted so check the colour of yours before going to get one, mine was about £8 from mill autoparts, I think eurocarparts stock them too, easily available.

    this step not crucial but helps to stop mess - syphon as much coolant out of expansion tank as possible, replace lid, release screws holding tank -and turn it so what coolant is left is not able to flow out of the pipe - I did this I guess if you don't you will get coolant coming out of sensor hole and you will then have to wack the new one in quickly to stop the flow.

    remove plastic retaining clip holding sensor in, pull upwards - fit new. worth fitting new rubber washer as well.

    replace connections & refill coolant etc.
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  7. aps360
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    aps360 New Member

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    [Aug 3, 2014]
    That great thank you,
    Will get it sorted ASAP
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  8. aps360
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    aps360 New Member

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    [Aug 8, 2014]
    Temp gauge now working, thanks for the help,
    Also fitted a new OSF window regulator ( that was fun )
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