cooling system/radiator concern
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This is a discussion on cooling system/radiator concern within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; im kinda new to these sweet machines... but my concern is the following: on the radiators, across from the coolant ...

  1. #1
    Registered User InfernoAWD's Avatar
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    cooling system/radiator concern

    im kinda new to these sweet machines... but my concern is the following: on the radiators, across from the coolant resevoir tank there is a small rubber kinda opening... im guessing it lets the pressure out (this looks attached to the radiator)... but i have seen coolant come out of it... is this normal... the stupid thing is that the reservoir tank is overfilled... does this have anything to do with the coolant shooting or coming out of that valve, or pressure releasing thing? is this something i should be worried about??? sorry for the ignorance and any inputs would be greatly appreciated... again is a valve/pressure releasing thing on the right side of the radiator by the coolant reservoir... cuz i have dry coolant around those parts including the battery and radiator... thanks again
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    Registered User D0WNxSH1FT's Avatar
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    Quote Originally Posted by InfernoAWD View Post
    im kinda new to these sweet machines... but my concern is the following: on the radiators, across from the coolant resevoir tank there is a small rubber kinda opening... im guessing it lets the pressure out (this looks attached to the radiator)... but i have seen coolant come out of it... is this normal... the stupid thing is that the reservoir tank is overfilled... does this have anything to do with the coolant shooting or coming out of that valve, or pressure releasing thing? is this something i should be worried about??? sorry for the ignorance and any inputs would be greatly appreciated... again is a valve/pressure releasing thing on the right side of the radiator by the coolant reservoir... cuz i have dry coolant around those parts including the battery and radiator... thanks again
    No you should not have coolant coming out of anything. Can you take pics of the areas in question? Do you mean that the hose going from the resevoir to your Turbo is unplugged? Worst case, go to your Dealer and have it fixed.
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    Resident meany-rator 06wrx4me's Avatar
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    Yeah the coolant is a closed system. Take pics and post
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    Registered User InfernoAWD's Avatar
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    I feel so stupid... i should have checked before acutally asking... i found a small crack on the upper part of the radiator sorrounding that valve(on the radiator) by the coolant reservoir tank... do you guys think is of to use a plastic weld or some other type of sealant as a temporary fix... or should i just replace the entire radiator? again is a supper small leak causing almost no excessive loss of coolant... thanks guys
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    He simply abides. SD_GR's Avatar
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    If what you are seeing is a crack in the plastic upper tank of the radiator itself, you're done with that radiator. Post a picture if you can and we'll tell you for sure. Or, search for engine pay pictures here, "steal" one of those, and put a red arrow or something where the crack on yours is etc.
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    Registered User InfernoAWD's Avatar
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    hopefully the picture works... the engine bay is not mine of course (i wish) the crack is located right on the tube where the arrow points, the crack is located on the base of the tube or valve where the arrow points the crack does not go around it but it goes horizontally for about an inch... the crack is very small, i had to look hard for it and cause little or almost no coolant loss... again is it cool if i use a sealant temporarily? the leak is under the rubber ring.
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    He simply abides. SD_GR's Avatar
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    So the crack is not on the radiator itself, but on the solid part of the tube connecting the radiator to the overflow reservoir? Is the crack on the tube at a location where you can simply slide a longer hose over it, clamp the end, and be done with it?

    If I understand the photo correctly, that part of the system is not pressurized. There is a diaphragm that controls overflow once a certain pressure is exceeded, and the coolant is allowed to escape to the overflow reservoir (white plastic container on driver's side front; to the right of your photo). If the leak is anywhere along the coolant escape route, there will not be coolant running through at all times (only when the system is venting coolant to the overflow tank, or drawing coolant from the overlow tank).

    If I'm on the same page as you then see if you can just use a longer hose to cover the leaking area. Also try to figure out how you managed to get a crack there, it's not easy to imagine unless something hit it (wrench or hood prop rod or something).
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  9. #8
    Resident meany-rator 06wrx4me's Avatar
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    Quote Originally Posted by InfernoAWD View Post
    hopefully the picture works... the engine bay is not mine of course (i wish) the crack is located right on the tube where the arrow points, the crack is located on the base of the tube or valve where the arrow points the crack does not go around it but it goes horizontally for about an inch... the crack is very small, i had to look hard for it and cause little or almost no coolant loss... again is it cool if i use a sealant temporarily? the leak is under the rubber ring.
    Yeah its new radiator time. The radiator is an abs plastic derivative and doesn't take well to adhesives. Buy a new one.
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