Hello, I have a 2002 Pontiac Bonneville with a stock 3.8 V6, 164K miles. Had a massive failure of the intake manifold gaskets and the oil turned into some milky antifreeze/oil mixture.
I posted on CarGurus asking what to do about it and somebody told me that there was a recall for my intake manifold gaskets and my valve cover gaskets specifically for my car.
I went on a GM recall lookup website and the only thing that popped up after I entered my Vin was an air bag and a gas tank assembly being serviced in 2003.
Nothing pertaining to gaskets.
Anybody know if there actually is? I have it half way apart and if there is, having a dealer fix it may be a little more beneficial to my engine in the off chance there'* something wrong I can't see that they might.
Thanks.

If your oil is milkshake the engine is toast or will be soon after you fix it. The only sure fix is the tear it down and blow out the oil galleries.

Your Carguru source is probably referring to the upper intake manifold issues they had back then. There was never a recall for it, no matter how many cars had the same problem. That having been said, your issue sounds like a different issue. The issue above usually hydrolocked the engine, but didn't get coolant into the oil as you described. Your issue strikes me as a blown head gasket.

These engines didn't have too much trouble with head gaskets unless horribly abused and neglected . . . even while in police service.

What carfixer007 said ^^^^^^^ is probably correct unless you caught the problem right away.

That'* what I thought. By the oil galleries, do you mean the head gaskets and under the valve covers?

If this just recently happened, I highly suggest at LEAST 2 oil changes. If the engine shows no signs of knocking over the next month or so, consider yourself lucky.

There is a recall for the front valve cover leaking oil onto the exhaust manifold.

Probably just a TSB or something for the fuel pressure regulator that fails sometimes and will allow raw gas to enter the intake plenum and blow it to hell. There are a couple videos on YT that show that.

The block has oil galleries throughout to get oil to the main bearings and such. The milkshake will form into little globs of goo that will block oil and then.......