Forum Discussion
joshuajim
Aug 03, 2021Explorer II
My ā13 Ecoboost HDPP did the same over heat when towing my 8000ā trailer up 6% grades. Previously I had towed up long grades twice as steep without issue. Changed thermostat and issue resolved.
Change the cap also as they fail with age. Iām on my second replacement. Loss of pressure results in considerably lower boiling point.
Change the cap also as they fail with age. Iām on my second replacement. Loss of pressure results in considerably lower boiling point.
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