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Thread: Overflow tank
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post #10 of (permalink) Old 08-09-2019, 02:08 PM
RaYzerman
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Join Date: Jan 2013
Location: Millgrove, ON, CA
Posts: 4,810
That blocked port is the root cause of your problmes. It pissed fluid out elsewhere, which leaves it low when it cools off. Lose enough and you'll overheat. Yes to replacing it if you can't "drill" it out. Many neglect to empty and flush that reservoir when doing a coolant change, and the crud accumulates at the bottom, as the previous owner seems to have done. It is inconvenient to get at after all.

Ray
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