Small coolant leak pass side head?

[Danzigman]

The connection at the front right (pass side) head close to the intake has a very small leak. I have not had a chance to run down what this connection is. It is a square block type fitting. Is there a gasket or something under it or could it just be loose. I wanted to research it a little before messing with it and making it worse.

 

[gooffeyguy]

Coolant crossover pipe. There is a gasket under it.

 

[Danzigman]

So most likely a gasket change. It weeps under pressure. I can see it bubbling out.

 

[Fless]

See this recent thread, too:

What is this part that is leaking coolant?

I have a coolant leak that I thought was from the thermostat housing, but after replacing that and the thermostat the leak continues. The thermostat area is completely dry, so I added some dye so I can find the leak easier. It seems to be pooling from the area circled red, I also included some...

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