i have a rebuilt 5.9 cummins and it blows frost plug when i step on it hard. wondering what is cause.
Mar 15, 2013 at 7:02 PM
2005 Dodge Ram Rebuilt 5 9 Cummins Blows Frost Plug Step On Hard Wondering
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The core plugs are normally a very tight fit, so first i would ensure that the correct plug size is fitted, if you had a compression leak into the block with enough force to blow a core plug, i wold expect hoses to fail as well, and i would expect a misfire as well, normal cooling system pressure would not be enough to pop a plug it self under any circumstances, so ensure correct plugs are installed first.
Mar 15, 2013 at 8:12 PM
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