Timing cover leak?

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Nichols worth of free advice, steel bolts used to clamp aluminum to steel with water circulating through it, ie; water pump/timing cover bolted to a engine block will cause elictralosiss, that causes a reaction that corrodes the aluminum, and can also effect the gasgets. Thats that white/yellow dust in the bolt hole. Use a generous amount of antisize on these bolts every time. Persistent leaks in this area may need special attention cleaning and aplication of rtv sealent.