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Old 02-13-2021, 05:15 PM   #3
78F350
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Join Date: Jul 2014
Location: Oklahoma
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Garage
Quote:
Originally Posted by The Sandman View Post
... Nevertheless, I attempted to manually raise the bleeder valve with the small metal tab on top, which promptly came off in my hands. It appears that there is wear around the rubber where the metal tab sits on the bleeder valve, and I am uncertain whether this valve is working at all. ...
The bleeder valve tab should not come apart. There should not be visible wear on the rubber where the tab sits. It sounds like your vale is worn out/damaged and dumping coolant before it reaches normal operating pressure.

I'd watch that area when you do the pressure test.
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