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Occasional High Temp

Discussion in '456/550/575' started by Mirek, Dec 23, 2020.

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  1. Mirek

    Mirek Formula 3
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    Oct 20, 2019
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    Mirek
    #1 Mirek, Dec 23, 2020
    Recently I noticed my 456M water temp gauge would show hot...and then it would cool down and be completely fine at 190 or so. The fans are in working order, I can hear them come on and off. I am hoping/assuming I just have to bleed some air but I am open to any suggestions (?) Perhaps it is a stuck thermostat.

    The green circle is approximately hot it gets RIGHT before it levels out (scary) and then operates at a normal temp. All this is after an overheating event where the fan was found to be unplugged so I have been paying super close attention to the gauge...but I do not think this is related. I do not get any temperature warning lamp as the manual indicates may occur.

    ?



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  2. tazandjan

    tazandjan Three Time F1 World Champ
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    Terry H Phillips
    #2 tazandjan, Dec 23, 2020
    Depending on how long it has been, why not go whole hog and have someone power fill with new coolant and that will ensure no air in the system.
     
  3. Mirek

    Mirek Formula 3
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    #3 Mirek, Dec 24, 2020
    Agreed. Just need to get it done. Looking for my WSM to at least try the bleed procedure if it can be done simply !
     
  4. Salami

    Salami Karting

    Oct 31, 2020
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    #4 Salami, Dec 24, 2020
    I’ve seen that with stuck stat on other vehicles.
     
  5. tazandjan

    tazandjan Three Time F1 World Champ
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    Jul 19, 2008
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    Clarksville, Tennessee
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    Terry H Phillips
    #5 tazandjan, Dec 24, 2020
    Jeff- Pretty simple with the bleed valve up front. Makes a bit of a mess, but not too bad if you are quick and use a towel. Parking her pointed slightly uphill will help.
     
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  6. F456M

    F456M F1 Rookie

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    #6 F456M, Dec 25, 2020
    Air in the system. I guess you are having the heater on a bit inside the car so the coolant can circulate?
     
  7. Mirek

    Mirek Formula 3
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    #7 Mirek, Dec 25, 2020
    Correct, that is exactly what I did (turned heater on) prior to this issue presenting itself, I was wondering about the subsequent change in coolant routing but could not find any info. Thanks gentlemen. I will locate my WSM, find that valve, park on an angle and bleed it tomorrow !
    Merry Christmas guys.
     
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