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-   -   Radiator cap (https://67-72chevytrucks.com/vboard/showthread.php?t=752948)

eighteenninetytwo 12-18-2017 05:57 PM

Radiator cap
 
I seem to be losing coolant from the radiator drain /overflow pipe. I presume that the pressure rating of the cap (16) is not sufficient to stop the spring being compressed by pressure when the engine is hot.

Is there a standard pressure for a 350 is a blazer and is mine incorrrect?

cheepin 12-18-2017 10:30 PM

Re: Radiator cap
 
16 should be good. Your cap may just be weak. Try a new one. If this don't work. You may want to do a leak down check.


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