Please help!? Died, now won't start.

Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the Intrigue / Aurora 3.5L Twin Cam V6 (Short Star ) , 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
jedivman
SE Member
SE Member
Posts: 10
Joined: Sat Jan 18, 2014 9:57 am
Year and Trim: 2004 Bonneville GXP, Magnaflow VVT exhaust.

Re: Please help!? Died, now won't start.

Post by jedivman »

Mine just did the exact same thing. Rear cyclinder was hydrolocked with coolant. Pulled all 8 plugs and motor bumped over fine, reinstalled the plugs and fired right up.

Right now we are dropping the craddle and drilling out the block to install Northstar Performance studs and all new gaskets, water pump, cross over gasket and all new plugs.

I hope you get it/ got it fixed.

FWIW, you're waybetter off repairing your current engine the right way rather than installing another engine that will lose head gaskets again. The problem is the 11mm 2.0 head bolts pulling the threads out of the block. Any engine you buy will do the same thing again after enough time.
jedivman
SE Member
SE Member
Posts: 10
Joined: Sat Jan 18, 2014 9:57 am
Year and Trim: 2004 Bonneville GXP, Magnaflow VVT exhaust.

Re: Please help!? Died, now won't start.

Post by jedivman »

I noticed you said you were sitting in the car eating lunch, while it was running. That's the only time my car ever over heated on me and that's when it started to suck coolant the worst.
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