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Thread: Bubbling Coolant?

  1. #1
    Unstoppable Juggernaut_7's Avatar
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    Bubbling Coolant?

    Ok everyone my buddy has a yfz 450 that is blowing the resorvoir cap off his bike and we are trying to figure it out and while doing so he said man your coolant is bubbling too, i can sit there and rev it and it looks like a tornadoe in there with little bubbles, his is doing the same thing except blowing the cap off his while racing not idling!! I have no clue as what would cause this so if someone could feel me in, and about what it hurts? hp loss? etc?
    OMW Racing

  2. #2
    Modding the Motor RaptorRandy's Avatar
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    That's usually an indication of combustion pressure getting in your cooling system.




    07 Aljo 199LTD Toy hauler
    99 F-250 PSD

    John 14:6 Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.

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    Master Modder AL2FAST's Avatar
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    Mine was blowing coolant out of the overflow tank and running hot and overheating. It's my head gasket and I'm in the process of repairing it now.

    Take the cover off of the radiator when the engine is COLD. Start it up and let it warm up and look for bubbles coming up. Mine looked fine until it warmed a little and then started bubbling like mad.
    06 700R With a couple stickers. It has so much power, It can spin the tires

  4. #4
    R.I.P. Coop SEVEN00's Avatar
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    HEAD GASKET!
    You want a piece of me, well do ya punk?

  5. #5
    Bolt-on Beginner nm351's Avatar
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    HEAD GASKET FOR SURE DUDE!!!!!

    P.S. Seven, Both your avatar and 700 pic rock dude!
    Last edited by nm351; 07-11-2009 at 07:53 AM. Reason: P.S.

  6. #6
    Portsculptor VelociRaptor's Avatar
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    A Smurf is farting in your rezzy.
    Bo White
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    [URL=http://s60.photobucket.com/user/Bo_White/media/Mobile%20Uploads/do8e_z

  7. #7
    Master Modder AL2FAST's Avatar
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    Quote Originally Posted by VelociRaptor View Post
    A Smurf is farting in your rezzy.
    06 700R With a couple stickers. It has so much power, It can spin the tires

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