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Coolant leak

Discussion in '348/355' started by janders82, Mar 1, 2015.

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  1. janders82

    janders82 Karting

    Nov 26, 2014
    180
    Atlanta, GA
    #1 janders82, Mar 1, 2015
    Last edited by a moderator: Sep 7, 2017
    i just posted these pics in another thread about high oil pressure. Was in the garage trying to troubleshoot the issue. started the car to let her warm up. stepped just outside the garage for 5-10 minutes to let her idle.

    here's what I came back to...any ideas of where and/or why the coolant leak?
    Image Unavailable, Please Login
     
  2. janders82

    janders82 Karting

    Nov 26, 2014
    180
    Atlanta, GA
    #2 janders82, Mar 1, 2015
    Last edited by a moderator: Sep 7, 2017
  3. emac

    emac Formula Junior
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    Sep 14, 2014
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    upstate SC
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    ernest
    #3 emac, Mar 1, 2015
    Last edited by a moderator: Sep 7, 2017
  4. drbob101

    drbob101 F1 Rookie
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    Nov 26, 2012
    3,821
    Tinton Falls, NJ
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    Bob Ferraris
    #4 drbob101, Mar 1, 2015
    Get a coolant system pressure test kit and don't guess.

    Was any work done on the car recently? Major? Fluid chsnge?

    If you pressurize the system you'll know for sure.
     
  5. johnk...

    johnk... F1 World Champ
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    Jun 11, 2004
    11,278
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    John Kreskovsky
    #5 johnk..., Mar 1, 2015
    Are u sure it did not come out of the expansion tank over flow? If the tank is over filled it's quite common. Particularly if you let it idle for 10 minutes and if one of the cooling fans is not coming on.
     
  6. janders82

    janders82 Karting

    Nov 26, 2014
    180
    Atlanta, GA
    #6 janders82, Mar 1, 2015
    thanks for all the replies! Let the troubleshooting begin!

    Something else I should note is that the temp gauges seemed to be in spec right before shutting off the car. Also, the leak stopped once the engine shut off. I just checked to be certain, and there are no additional drops of coolant on the floor...
     
  7. janders82

    janders82 Karting

    Nov 26, 2014
    180
    Atlanta, GA
    #7 janders82, Mar 1, 2015
    please excuse my ignorance here, but where is the expansion tank overflow located? I'm assuming I'd be able to find it when under the car looking up at the expansion tank location?

    Thanks!
     
  8. johnk...

    johnk... F1 World Champ
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    Jun 11, 2004
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    John Kreskovsky
    #8 johnk..., Mar 1, 2015
    Where you fill the coolant. Black tank in center of engine. The cap has a rubber hose that vents any overflow down along the driver's side of the engine and dumps it on the ground in the area where it appears you coolant might be coming from.
     
  9. janders82

    janders82 Karting

    Nov 26, 2014
    180
    Atlanta, GA
    #9 janders82, Mar 1, 2015
    I'm thinking it may have been the overflow (fingers crossed).

    just went and took a peak in the expansion tank...the coolant is very close to the top of the tank (less than 1 cm from the top of the tank to where the fluid starts).
     
  10. taz355

    taz355 F1 Veteran
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    Feb 18, 2008
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    Grant
    #10 taz355, Mar 1, 2015
    Thats way too high and forsure the coolant overflowed. It should be about 3 inches from the top of the threads.
     
  11. F355steve

    F355steve Formula 3

    Apr 9, 2008
    2,089
    Honolulu - Seattle - Okinawa
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    Steve
    #11 F355steve, Mar 1, 2015
    Too high in the expansion tank. Was coolant recently added?
     
  12. cuneo

    cuneo Formula 3
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    Nov 20, 2006
    2,484
    #12 cuneo, Mar 2, 2015
    I think the general measuring consensus is to stick your index finger into the expansion
    tank until it hits bottom and it should be at your first knuckle.
     

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