Question about 2003 Pontiac Grand Am
If the engine went underwater, I assume it was in the car? With the tons of electronics in there it will cost more than the value of the car. The engine can be saved though by just overfilling it with cheap oil, till it comes out everywhere (likely at least three gallons), removing the spark plugs and turning it by hand, pouring liberal amounts of marvel oil into the cylinders.all electronics on it need to be replaced. This will work as long as water did not have suspended silt or mud in it. As for the car itself, consider it junk unless you replace every electronic component and carefully clean all wiring and connectors (likely will be at least a six month or more project) If the engine ingested water by going through a large puddle, then likely it hydro-locked and bent or broke a connecting rod. If so it isn't worth doing anything.
Posted on Aug 15, 2009
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Posted on Jan 02, 2017
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