Mechanics

LOW OIL PRESSURE

2007 GMC Yukon

Engine Mechanical problem
2007 GMC Yukon V8 Two Wheel Drive Automatic

2004 yukon denali with low oil pressure message. Gage reads 0 at idle and about 20 driving. Changed oil pressure switch and oil pump. Problem persits. Now I have a nocking on engine. Out of ideas.
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Shalan222
June 28, 2010.



Hi there,

You will have to check the oil pressure with mechanical gauge, if the pressure is still indication low, you will probably have a bearing problem, the knock is a problem, that will be lack of oil to a bearing.

Mark (mhpautos)

Mhpautos
Jun 28, 2010.