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    2007.5 lmm egr cooler?

    it was the egr cooler. broke inside leaking exhaust into the cooling system.
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    2007.5 lmm egr cooler?

    even with no fluid in the cylinders? And taking so long to get down to turn the low coolant light on?
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    2007.5 lmm egr cooler?

    First time on here. I am working on a 2007.5 with a LMM Duramax. Lots of pressure keeps building in cooling system and low coolant light with come on after about 1 week of driving due to the coolant is being sucked down in the bottle. no external leaks. As soon as you remove the cap alot of...
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    First post on the forum. I am working on a 2007.5 LMM that keeps getting extreme pressure in the...

    First post on the forum. I am working on a 2007.5 LMM that keeps getting extreme pressure in the cooling system. If I fill the bottle up above the fill line it can be driven for about a week to week and a half before low coolant light comes on. It is not loosing hardly any coolant. no external...