What are the symptoms of the 3800 series 2 motor having a upper intake manifold leak?

ryanjj14

I hope everyone is having a great day...

I have a question about upper intake manifold leak on the 3800 series 2 engine. I'm really familiar with the engine, but I have been doing alot of reading lately to figure out whats the symptoms of a leaking intake manifold.

INTERNAL LEAK!!!

Mr_Shiftright

Here's a VIDEO that explains the problem and how to fix it.