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interesting find!

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Old 04-12-2012, 12:28 PM
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Barry Chan
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Originally Posted by depami
If boiling does exist a lower pressure cap will allow it to “puke out” sooner and possibly keep other things from “blowing out”. A higher pressure cap may increase chances of a “blow out”. With a standard 1 bar, or even a 2 bar cap, a “blow out” will still only occur if a problem exists such as stuck T-stat, rotted hose, toasted heater valve, etc. But, boiling should never occur in a properly functioning system.

Are there ever any puddles or drips?
that explains why when i use the 7 lb cap i see coolant sitting outside the reservoir bottle around the middle edge and when using the 10 lb cap, i idle the engine til the efan comes on and no sign of coolant, thanks.
i guess i'll use the low pressure cap in the summer(don't mind to top up) knowing the temp is lower and use the 10 lb cap for the winter plus i like the 7 lb cap with the pressure release level to release the pressure when done long driving



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