Hello everyone.
I have an 03 Grand Prix GT that sat for 2-3 years without ever being started or anything. With a new battery and new fluids we got her started up. Oil was leaking from the front valve cover gasket so we replaced that gasket. Was some white smoke coming from under that valve cover area.
There was a little white smoke coming out of the tailpipes on startup. After running a while you'd get some drops coming out of them. The smoke would go away after a while. Stinky coolant smell while running. I decided to change the LIM gaskets and the upper plenum gasket, along with the gasket for the throttle body.
Started it up and it ran horrible. Let it run about 20 seconds. Turned it off and checked oil... full of coolant.
I tore everything back apart and got it all cleaned up again with a razor blade. Was extra careful this time. Got it all put back together and was feeling pretty good about myself. Changed the oil and added fresh coolant.
Started up much smoother this time. Ran good for about 30 seconds then the motor started jumping around. Turned it off and checked the oil... full of coolant again.
I am not sure how to proceed from here. Was the white smoke coming from under the front valve cover area something to do with the head gaskets? Could fixing the LIM leaky gaskets cause the head gaskets to go? Any help would be appreciated. thanks!
