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radiator coolant loss question

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Old 09-15-2007, 03:13 PM
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perrys4
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Default radiator coolant loss question

Just replaced my rad about three months ago and all has been fine since. Today as I was getting gas to head up to hollywood for a wedding, the check coolant light came on. On a sealed system I shouldn't be losing water, right? I checked the oil and all looks fine. Any idea's? Loss was about a 1/4 inch
Old 09-15-2007, 04:58 PM
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Garth S
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New rad says that rad hose clamps were the last thing touched .... so should be the first thing checked
A coolant system pressure test is the next step ... but if all else fails, look for dried coolant stains on the top and back of the expansion tank ( unless you have a fresh tank ... ie << 15 years old): when beginning to fail, cracks appear - and only open when hot. Fools many into believing that it is a closed system
Old 09-15-2007, 05:22 PM
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perrys4
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Hadn't thought of the tank....thanks.
Old 09-15-2007, 06:14 PM
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Jim M.
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What Garth said, plus did you completly burp the system to get all the air out?

Jim Mayzurk
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Old 09-15-2007, 08:01 PM
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perrys4
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yes, it has been fine for three months.



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