If I've got my radiator completely full my truck will push fluid out of the overflow tube until it's dropped down 2 inches or so below the filler neck at which point it pushes no more. Is this something to worry about?
3406b pushing water out overflow.
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Wildcat74, Mar 25, 2011.
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its probabely just expanding with temp and going out--as long as it is keeping pressure and not heating--wouldnt worry about it
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I had a 425 B model did the same thing. Not to worry as long as it don't keep pushing it out.
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it is normally, especially when it is cold outdoors.
You fill radiator when it is -5 dgr c and engine normal temperature is 93-97 dgr c... over 100 dgr C difference.
When it is +20 dgr c - difference is about 70 dgr.
When it is really cold, below -15 dgr C, if radiator was filled in summer fluid goes down and engine stalls with engine protection, driver adds 3-5 cm of level and when engine is hot coolant leaks out -
Yes, normal. Fluids will expand when increasing in temperature. I has to go somewhere. 2" below the neck is perfect.
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Thought that this was the case but wanted to be sure. Thanks all!
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