Today as I was sitting in traffic I started to notice the smell of coolant but since I had my windows down, I thought it might have been coming from a couple of gardeners sitting in what seemed like a 1965 Datsun pickup truck that was in the other lane next to me. Of course with my luck when I got home and popped open the hood there it was. A nice little puddle of green coolant sitting on top of my sparkplug wire cap. I thought what a strange place for that to be. So anyways after a few minutes I found where the leak originated from...a tiny little crack right behind the bolt that seats a metal wiring harness. Bah! because I had a sudden flash back of when I tore a part the intake plenum to change the plugs and wires. So I'm assuming somehow during that task is when the crack developed only because I remember resting my hand on top of there many times when I was tearing stuff up.

The crack is barely noticeable so I'm thinking of maybe some kind of epoxy up in there to plug it up. Any opinions? I really don't want to buy a whole new assembly just for that, but at the same time I don't want it to get bigger.

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the crack is here underneath and
right behind the bolt

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