Quote:
Originally Posted by cdowns
the reason alot of heater cores fail is due to the radiaror cap being too high of a pressure/// a lifelong radiator guy advised my of this many many years ago and i usually stick with a 8-10lb cap
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I have never heard of that being the case. I thought these truck all came standard with the 15 or 16lb caps. Gonna look into this cause I just put in a new heater core 2 weeks ago.