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Coolant Smell after EGR Valve Replacement on Duramax 3.0 (LZ0)

5.2K views 4 replies 3 participants last post by  t2sfd  
Yes. The EGR cooler uses engine coolant. If there’s no leaks on the ground it’s most likely just spilled coolant from changing the valve. Rinse the areas down with water and let them dry. That should take care of the smell.