2nd Gen R56 Cooper S Most liked posts in thread: Overtemp warning in 20 degree weather?

  1. Nathan

    Nathan Founder

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    #2 Nathan, Nov 13, 2013
    Check the coolant level.
     
  2. Crashton

    Crashton Club Coordinator

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    #9 Crashton, Nov 14, 2013
    My money is on a leaking thermostat housing.
     
  3. Crashton

    Crashton Club Coordinator

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    #12 Crashton, Nov 19, 2013
    Very glad it worked out for you. Warranty repair FTW!!! :Thumbsup:
     
  4. Dave.0

    Dave.0 Helix & RMW Powered
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    #13 Dave.0, Nov 19, 2013
    Warranty repairs is one of the few good things the Stealership offer and only because they have too.
     
  5. Minidave

    Minidave Well-Known Member
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    #3 Minidave, Nov 13, 2013
    And make sure your antifreeze is good, your thermostat could have frozen.
     
  6. eMINIparts

    eMINIparts Well-Known Member
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    #4 eMINIparts, Nov 13, 2013
    Temp sensor going bad? They can give false readings....
     
  7. Spa2k

    Spa2k Well-Known Member

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    #5 Spa2k, Nov 13, 2013
    I had this happen to me at about minus 20 degrees in my Rabbit GTI - turned out the lower radiator hose had shrunken away from the lower radiator fitting in the cold and was leaking.
     
  8. itsmewutup

    itsmewutup New Member

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    #6 itsmewutup, Nov 13, 2013
    Check water pumps for leakage if your coolant is low. Don't take time getting it fixed if it gets too hot it doesn't take any time at all to blow the head gasket possibly warp the head. (Been there done that and now I'm on my second motor in my 08 MCS)
     
  9. Dave.0

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    #7 Dave.0, Nov 13, 2013
    ^^^^ all the above should help you find the problem.
     
  10. Zapski

    Zapski Well-Known Member

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    #8 Zapski, Nov 14, 2013
    Coolant was lower than the min, so I added some distilled water and am taking her in next week.

    Thanks, guys! :Thumbsup:
     
  11. Zapski

    Zapski Well-Known Member

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    #10 Zapski, Nov 19, 2013
    [​IMG]

    Took it in this morning, and that was exactly it. Nice guess! :Thumbsup:
     
  12. Dave.0

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    #11 Dave.0, Nov 19, 2013
    It was no guess as most of us have replaced the thermostat housing at least 2 times or more.

    Glad everything is fixed now. :Thumbsup: