I have a 2003 Pontiac Grand AM. It has a 3.4L V6 engine and I have a small water leak around the alumium pipe that comes out of top of the intake on the front of the motor and runs across the top of the intake. I have had the gasket on this intake replace about 8 months ago. This is a new leak. I took this in to have it looked at and the mechanic is telling me the whole intake has to be replaced not just the pipe because it is machined pressed into the intake. Do you have to replace the entire intake to fix this leak?

SOURCE: 1996 Pontiac Grand Am / Overheating

How's your oil? Is the level high, or is the color milky? You've basically replaced your cooling system, all that CAN be wrong would be a corroded block [unrelated to anything you mentioned] or an internal leak. If the heat sensor loses contact with the coolant, it'll go nuts like that. And I'm guessing that could trigger the computer to go into panic mode. I suspect a leaking head gasket. Not that bad if you fix it yourself or know someone who will do it for friendship.

SOURCE: Pontiac Shutdown

I can solve your problem. I have the same Pontiac, year, make everything....The same thing happend to me...Turned out to be the coil packs. The car died while I was driving and then ran like ****.

SOURCE: Do I have to replace the lower intake gaskets when

yes,,and you should as they are very known forn leaking

SOURCE: pontiac bonneville 3.8 vin code k . I replaced the

You may be suffering from a warped manifold. Did this problem arrive over time or after engine work involving the heads? Remove the manifold and take it to a machine shop to verify warpage. They may be able to resurface the port areas without removing too much metal. Hopefully, a doubled gasket set will replace the removed metal. If not, another manifold is in order.

SOURCE: Need instructions to replace intake gasket on 99 Pontiac Grand Am

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