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Old 11-09-2011, 11:43 AM
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snrusnak snrusnak is offline
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So is it an overflow tank or expansion tank? I really don't know a lot about this. If it's a few inches lower does it matter? I tried researching but got very confused. From what I understand, if it's an overflow tank the height doesn't matter, it's simply just to catch the overflow when the radiator cap relieves pressure. With this system the fluid never returns back to the cooling system. That pretty much makes sense to me....but the expansion tank type doesn't. There's no radiator cap(the relieve is on the coolant tank cap), and the level DOES matter relative to the radiator. There is excess air in the tank and when pressure builds the air compresses and this is where the "overflow" is held. Then if there's too much pressure the cap relieves it. So from what I understand on my ram it's just an overflow tank, and height doesn't matter?

Enlighten me please....lol
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Last edited by snrusnak; 11-09-2011 at 11:46 AM.
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