Thread: Plastic Intake Manifold

Your intake manifold is a metal supercharger.

Your mechanic is talking about this
http://www.grandprixforums.net/97-03...ure-60667.html

They can have plastic intake gaskets, that can over time break down and leak coolant into the motor.

If the mechanic you went to told you that your intake may be plastic after you told him it was an s/c 3.8 don't let him touch your car.

04 was a transistion year for the gaskets. 05+ IIRC should be aluminum. No?

From what I hear, late 2005 was the year they started to use the new gaskets.

Ehhh I bought a 2006.

new guy.. easy way to tell. See where the top radiator hose connects to the engine. To the left and a little closer to the front is where the lower intake meets the head. Right by the valve cover. If you see black in there, you want them replaced. If you see aluminum, you should be good.

my 04 had plastic gaskets but my 06 had metal, from what i hear it was in fact mid 05 when they changed it

I've been wrong before guys.. I admit it openly.

Aaron's '05 had plastic gaskets.

Yay.

seriously man, if you are in fact supercharged then theres not much more you would need other then lower intake gaskets... maybe coolant elbows but they are cheap

Could be a TB gasket or SC coolant port area, which is the SC to LIM gasket