low oil pressure light blinks, also low wiper fluid and change engine oil.

2000 CHEVROLET IMPALA
140,000 MILES
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BIGV65
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The car is a 2000 impala 3.4ltr. Heads were changed. New radiator and fan also. After the car ran 4 fifty miles I changed the oil and filter. Suddenly, the oil light blinks, but there is ok oil level. The car still runs great/ not hot, but the red low pressure light blinks. Is it possible that during the head job, I might have dropped debris(gasket material,silicone,etc.)that may have clogged the oil pump/ strainer? And if this is the case, how 2 drop the oil pan 2 clean?
I am a broke do it yourselfer with some experience,and this is the only car I use 4 my family.
Jan 27, 2012 at 2:41 AM
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JACOBANDNICKOLAS
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I would recommend checking the oil pressure. You can do it with a mechanical gauge from the parts store. Also, if you hear no knocking or ticking, chances are the oil switch is bad and sending a bad signal to the gauge.

Let me know what you find.
Jan 27, 2012 at 2:45 AM
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BIGV65
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Thanx! However,a parts store check is not an option. I live in on an island in The Bahamas. As the car is a daily necessity this will not work.
Can you tell me the best way 2 drop the oil pan with basic tools?
Jan 27, 2012 at 3:36 AM
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BIGV65
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Also, there is no knocking or ticking. Where is the oil switch located?
Jan 27, 2012 at 3:39 AM
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JACOBANDNICKOLAS
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If there is no noise, don't drop the pan until you check the sending unit. Chances are it is bad.
Jan 27, 2012 at 9:30 PM