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  1. #1
    shui's Avatar
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    Coolant Help/leak

    Hello guys. today was the second time that during afew spins the ski starts beeping ( 155Wake) and after taking the seat off, there is no coolant left in the reservoir. it *leaks* out of the big hose from the bottom. and by leak I mean the whole hose flies off the bottle. I have re-filled and purged the system last time and it happened today again. the coolant stays inside the hull.Any helps at what to look for? I had to tow the ski for an hour and a half today (only about 2.5mile tow at 2-3mph)my guess is the cap ontop is not releasing the pressure and the build up is making the hose pop off. I have replaced the factory clamp with one of mine and tightened it well so I highly doubt that is the problem. Other problem: it is hard to start after there is this coolant leak and for some reason the battery died shortly after (wouldnt even crank. only click. However it re-started after. any ideas on what it might be? all the clamps are tight. thanks in advance


  2. #2
    DaveC's Avatar
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    Check the plastic fitting on bottom of the tank. They do not do well with a overly tight standard hose clamp as it will partially collapse the fitting and allow all of the coolant to leak out.

  3. #3
    Focker Foggy's Avatar
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    The actual coolant bottles can go bad.. the hose barb on the bottom goes to crap sometimes.
    Just get another bottle. Put on a new hoseclamp (correct tightness) and you should be fine

  4. #4
    shui's Avatar
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    if checked the fittings and this time ill make sure to not overtighten the bottle.

    but it isnt a *leak* the hole hose flies/slides off the bottle.

    another question. is the hose in the second pic supposed to be disconnected? Click image for larger version. 

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  5. #5
    rangermtb5's Avatar
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    Yes, that's the overflow dump hose, that's supposed to be connected.

    Back off that clamp, pull the hose off and see if the barb is crushed. I did that once to a bottle when I over-tightened the clamp.

    I have a couple bottles in good shape if interested. let me know.

  6. #6
    shui's Avatar
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    where is it suppose to be connected? I dont see any other disconnected hoses or fittings that would go through the hull?

    I checked the barb fitting and its fine, atleast the same as my other two skis.

    anything else I should look for? seeing how the hose gets disconnected Im thinking its a pressure build up?


    I can post more pictures if needed. and if anyone is wondering, yes that is a "homemade" fiberglassed hull. (as oposed to stock, which is the newer plastic hulls)

  7. #7
    Moderator beerdart's Avatar
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    That is your overflow tube it connects to nothing and only pukes when the system exceeds a certain pressure usually due to overheat.

  8. #8
    shui's Avatar
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    thanks for the help guys.

    is it possible that the cap is not opening at a the certain pressure and the whole system finds the weakest link (in this case the hose) to release the pressure?

    Anything that might be the main cause of extra pressure?

    I wish the wake had a thermostat like the rxpx does so I could know when the pump is opening up...

  9. #9
    Moderator beerdart's Avatar
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    Under normal operation the cap should never release pressure. The wake uses the same closed loop cooling

  10. #10
    shui's Avatar
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    Quote Originally Posted by beerdart View Post
    Under normal operation the cap should never release pressure. The wake uses the same closed loop cooling
    sorry I wasnt clear enough. I meant to say the thermo-reading in the cluster so that I could know the engine temperature and know that the thermo oppened at 180º Click image for larger version. 

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