Kwdriver84 Posted December 13, 2020 Share Posted December 13, 2020 Hey guys, have a 05 Mack ch600 asset 427 engine. I recently notice gunk coming out the crankcase pipe so I went ahead and open the filter and found all this gunk. I also had the water pump replace a few days ago because it was leaking and I was using up antifreeze before that. Here’s some pics of what I found. Any idea what’s causing this gunk? Thanks Quote Link to comment Share on other sites More sharing options...
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