Cleeb1986

I have a 99 Nissan maxima it was making a bearing went out. Thought it was water pump I bought chain kit with water pump so I go breaking it down drain the oil and it’s chocolate milk colored. That means 2 things only correct? Crackhead or blown head gasket? Is there any way shape form or fashion that my water pump went out and let coolant or water get into my oil because my water pump went out