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Coolant System Vacuum Kwerstion

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Old 12-15-2002, 08:56 AM
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again, while fockin with my belly pan the other day, i noticed that my upper radiator hose had a little drip/leak up at the hose joint at the upper radiator mount. now, from there, i opened the coolant filler neck, and as usual, the coolant level was towards the lower part of that housing. it usually rests around 1 inch above the bottom, or right around the lower factory screw tap. so i simply adjusted the hose, and all seemed well.....but.....



last night when i started my car b4 i left work, i noticed the coolant buzzer almost immediately. i shut the car off, and opened the coolant filler cap. there was no coolant to be seen, so, being the worried fd owner that i am, i broke out the coolant from the rear bin. now, it only took about 2 cups of coolant, or enough to fill the filler housing area.



my question is this.....did i close up some kind of vacuum opening by fixing the leak in the upper hose, and thus allowing the coolant to better spread through the coolant system, or do i have a greater problem.



I HIGHLY double that i have a coolant seal leak, but there IS always the possibility...right? buy then again, there is NO trace of coolant in the exhaust....sight nor smell......



i can not see any leaks, but am going to put another style hose in the upper location. i have never liked the joiner pieces that greddy sent with the FMIC, and want only a hose there, i think that the hose is a weakness in the system, since it has so many joints on it......





any input is greatly appreciated....



louis
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Old 12-15-2002, 08:28 PM
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Originally Posted by r_xplicit' date='Dec 15 2002, 08:56 AM
...did i close up some kind of vacuum opening by fixing the leak in the upper hose, and thus allowing the coolant to better spread through the coolant system...
I think that may be close. Mine did the same thing when I had a pinhole in my upper hose and fixed it. All of the sudden, coolant was low. Filled it. Never had a problem since. Weird.
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Old 12-15-2002, 10:21 PM
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i suggest replacing your upper and lower rad hoses regardless of your fix...

its usually a good indicator for replacement if there is failure...

recommend samsco silicone hoses...
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Old 12-15-2002, 11:52 PM
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turn your car on and look under the hood. you might be able to see the coolant leak when it is under pressure. i was leaking coolant from the coolant line that goes into the turbo, because of a old hose
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Old 12-15-2002, 11:52 PM
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i could only see it leak when the car was on
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Old 12-15-2002, 11:57 PM
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if i remember correctly...

a solution is available to place in your coolant sytem..

thatll allow you to check for leaks via UV lighting...
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Old 12-16-2002, 09:25 AM
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thanks guys. but i think that justin is thinking the same thing that i was. i am almost positive that it was vacuum related and when i sealed up the upper hose, i fixxxxxed the problem.



now, can you guys tell me where to find the samsco silicone hoses?



thanks again...



louis
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Old 12-16-2002, 09:40 AM
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actually its called a samco hose, and jt imports has them on his site. $250.95 they come in either red or blue. i want a set real bad but alas i have spent all of my money
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Old 12-16-2002, 11:45 AM
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OMFG that is outrageous. and for what, radiator hoses.......



geez...i think i'll take 2 of them.......
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