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Radiator Fluid Leaking From Above Spark Plug Cap *Video*

Discussion in 'Stock 2006 -2010 Explorers' started by bluesq, February 11, 2020.

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  1. bluesq

    bluesq New Member

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    I saw some white smoke coming from the engine bay, popped it open and took a video since I was a bit confused by it. In the video you can see it looks like coolant is dripping from the spark plug cap. Since that doesn't make any sense I imagine it's either dripping down the lead or coming from the "T" junction above it. The thing that has me confused is that the spark plug cap itself is dry and I don't see the source of the leak. Maybe someone with a keen eye can tell where the source is.

    https://youtu.be/5xjdc9Av8oM
     
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  3. Rcflyer330

    Rcflyer330 Active Member

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    It does look like the drip is coming from the T fitting above it plus it looks suspicious with the what looks like dried coolant. Its is hard to tell from the video but thats where I would start looking first.

    I think you could pressurize the radiator with a radiator pressure tester and it should drip. With doing that you could feel for the wet spot with your hand without being burned by hot coolant. You may even be able too feel it with the car cold and not pressurizing the system.
     
  4. bluesq

    bluesq New Member

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    Today I showed my buddies the video then we went outside to look and I couldn't reproduce the problem. Engine was up to temp, tried with heater on and off, even revved up - nothing, not a single drop. There is still some coolant in the reservoir. If it wasn't for the video they would have though I was seeing things. Now that I think of it, I shot that video with the engine off which is what it was when I noticed it.

    Speaking of that T-fitting, is that entire 3 hose assembly one piece from the factory? If so, anyone have an OEM # or part description?
     
  5. vipersinu2

    vipersinu2 Active Member

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    Do you have rear hear?

    I think I found a solution for 6.99, istead of buying the whole assembly from ford for 186.00, o'reily auto part # murry84757

    [​IMG]
     
  6. Explorer_PL

    Explorer_PL Elite Explorer

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    Yep, that's the solution on mine too. It's been good for the past 5 years and if it breaks, I have one spare in my garage. Sure beats $200 for the whole Motorcraft assembly.
     
  7. Trainmaster

    Trainmaster New Member

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    Very common problem with those heater hose T's. Problem on the Expeditions too.
     

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