1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

S3 coolant level, thoughts please.

Discussion in 'A3/S3/Sportback (8P Chassis)' started by RPB, Oct 13, 2012.

  1. RPB
    Offline

    RPB Active Member

    Joined:
    Aug 28, 2011
    Messages:
    336
    Likes Received:
    46
    [Oct 13, 2012]
    Hi all,
    I have had my S3 now for just over a year (wow, that has flown!) and the coolant level was on the minimum line of the expansion tank so I put in some more Audi stuff (ffs, how much?)
    I cannot see any leaks, so over time where is this going? LOL. Even though it is supposedly a sealed system and the additives change the boiling point, etc, does it still evaporate?
    Now don't get me wrong, having a car thats done 12k miles over a year and only having to fill up from min to max does not worry me, it is more of a "where the hell does it go?" type question.
    #1
  2. Ads

    Ads

    [Jan 29, 2015]

  3. thebambam
    Offline

    thebambam P.I.M.P

    Joined:
    Dec 16, 2011
    Messages:
    65
    Likes Received:
    3
    [Oct 13, 2012]
    I think its just boiling away ie steam I guess. Assuming the quicker you go the hotter it gets It will boil away faster?
    #2
  4. bmh.01
    Offline

    bmh.01 Member

    Joined:
    Apr 16, 2012
    Messages:
    284
    Likes Received:
    15
    [Oct 13, 2012]
    It's leaking somewhere. It's a sealed, pressurised system to stop it from boiling off.

    That said, top to bottom of expansion bottle marks isn't the end of the world over 12 months.
    #3
  5. OVRA3
    Offline

    OVRA3 Well-Known Member

    Joined:
    Jan 19, 2012
    Messages:
    1,079
    Likes Received:
    79
    [Oct 13, 2012]
    I've got the smallest leak in my radiator I lose a very small amount over 3 months, trickle almost but I have located the leak and eventually will get a new radiator, I wouldn't worry about it
    #4
  6. big harty
    Offline

    big harty Member

    Joined:
    Sep 5, 2012
    Messages:
    307
    Likes Received:
    15
    [Oct 14, 2012]
    I've had exactly the same problem with my s3. I found a very very small water leak dripping from my turbo. Didn't even know the y were water cooled.
    #5

Share This Page