Ok i have a 01 deville. the issue is that the resivour tank is bubbling and i have no pressure on my top radiator hose can anyone help. also the car has gotten checked for compression and passed.

Asked by Oct 05, 2014 at 11:50 PM

Question type: Maintenance & Repair

1 Answer


These cars with the Northstar engines are notorious for head gasket failure. Have the cooling system pressure tested and the coolant tested for combustion gasses. My money's on a blown head gasket. If that's the case you're looking at upwards of $3500 to fix it correctly! HTH. -Jim

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