It could very well be, if the engine is the 3.8L. There is a coolant pipe with a 90o angle, going into the front of the intake manifold. It has an "O" ring at the intake and another at the coolant bypass assembly. Quite often the "O" ring gets hard and leaks, or the plastic coolant pipe deteriorates and breaks inside the intake manifold. Either the coolant bypass / tensioner assembly will need to be removed or the intake manifold will have to be removed to replace the pipe.
Hello,
The O rings are there to provide passage of coolant throughout the pockets in your engine. Unfortunately the repair involves pulling the engine and rebuilding it. At some point the engine overheated and warped the layers of aluminum and steel. This exposes the O ring to extreme pressure and it breaks. You may want to weight the options of rebuilding or replacing your engine vrs. a different car. I wish I had a happier answer but I don't.
Regards,
Tony
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