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98 Buick Regal 3.8 Coolant Leak

I have a coolant leak on this 3.8 engine. There is a plastic 90 degree elbow that comes out of the intake manifold, turns, and then runs through the belt tensioner. I have yet to see where it terminates but it is leaking. Anyone ever replace one of these? Anyone know how it connects to the intake? Thanks.
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