Question about 2000 Buick LeSabre
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Posted on Jan 02, 2017
The pressure sending unit is located on the passenger side rear of the engine just above and slightly to the left of the filter and filter housing.
Posted on Aug 01, 2009
Could be two things, your oil pump pick tube is clog, oil pan would have to be drop to check, or your camshaft bearing worn causing low oil pressure,I would not say piston rod bearing or main bearing, cause there's no knock noise. You will have better oil pressure when cold due to oil much thicker. so I would forget about a bad oil pump.
Posted on Jun 04, 2010
SOURCE: 1995 Buick Park Avenue when
These sending units are known to fail, a replacement is about $25. I had a Bonneville that did the same thing. The only real way to test it is to remove the electronic sending unit and test it with a manual gauge. In my case I had 40 psi of oil pressure with the manual gauge but the dash would read 5-10psi.
Posted on Mar 26, 2011
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