I got a Grand Prix and have changed the water pump, thermostat, coolant, radiator cap is still good, I think the head is either warped or head gasket blown any ideas

Asked by Nov 23, 2014 at 08:32 PM about the Pontiac Grand Prix

Question type: Maintenance & Repair

1 Answer

11,880

If you suspect a bad head gasket, do a combustion leak test. the kit is about 40 bucks and you can watch youtube vids on how to do it.

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