1997 Firebird V6 No oil pressure

1997 PONTIAC FIREBIRD
111,000 MILES
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FIREBIRD65
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I have a 1997 Pontiac Firebird, V6. Oil pump went out then then engine seized. Replaced engine with used engine and worked good for a day then oil pressure went to 0 again, engine started to knock. Replaced with another engine and same thing happened. Cant be 3 bad engines / oil pumps?
Oct 6, 2012 at 5:30 PM
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KHLOW2008
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  • ASE Certified Mechanic
The oil pump is internal of engine and since complete assy was replaced, there is no other explanation except the oil pump, filter or a damaged crankcase.
Oct 6, 2012 at 5:49 PM
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