bakelly78 Posted January 21, 2015 Share Posted January 21, 2015 I noticed a slight coolant weep on 2 cylinders @ exhaust manifold on cold startup. Stopped right after engine warmed up. No obvious signs of coolant in oil and coolant level is good. Any thoughts on what I might be in for?? Much appreciated... Quote Link to comment https://www.bigmacktrucks.com/topic/38540-e6-coolant-leak-by-exhaust-manifold/ Share on other sites More sharing options...
alex g Posted January 21, 2015 Share Posted January 21, 2015 I just went through this there are frost plugs near your exhaust ports they are likely rotten and they seal up just enough when the engine gets hot.It is a easy fix once you remove your manifold.I paid 99 cents a piece for frost plugs.I did this at home if your mechanically inclined its not a bad job to do yourself. Quote Link to comment https://www.bigmacktrucks.com/topic/38540-e6-coolant-leak-by-exhaust-manifold/#findComment-275319 Share on other sites More sharing options...
bakelly78 Posted January 23, 2015 Author Share Posted January 23, 2015 Thanks for the reply. I'll check that out... Quote Link to comment https://www.bigmacktrucks.com/topic/38540-e6-coolant-leak-by-exhaust-manifold/#findComment-275453 Share on other sites More sharing options...
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