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Coolent warning light and sensor, easy to replace sensor

Discussion in 'A3/S3 Forum (8L Chassis)' started by MingeBlue, Jan 21, 2011.

  1. MingeBlue

    MingeBlue Member

    Feb 5, 2008
    Likes Received:
    My Coolent warning light has started randomly comming on when I start from cold, the coolent level is fine, also noticed its struggling a bit to start from cold.

    I did a bit of a google-ing and its points to the Coolent sensor being faulty which is a common fault, I noticed some people mentioned replacing the sensor and header tank, do you really need to replace both ? Is it as easy or easier to replace the coolent sensor compared to the temp sender ? I ask because I did the temp sender a year ago and I managed that ok
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  3. Welly

    Welly VX220 SC Driver :)

    Aug 5, 2009
    Likes Received:
    Yep, new header tank as far as I know - it's moulded in.

    A couple of bolts and two pipes - not hard.
    A3whitey likes this.

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