2005 Chevrolet Silverado oil pressure

2005 CHEVROLET SILVERADO
164,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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BABYSQUIRREL
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when starting, the engine makes a noise until the pressure gets up to normal ,just takes a few seconds.
When I removed the oil filter there seemed to be back pressure in the pipe above the filter. oil came out of the pipe. the amount was about a quart or less. I have changed oil many times in my lifetime and this has never occurred before. Do you have any ideas why?
Apr 25, 2015 at 8:17 AM
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WRENCHTECH
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That oil draining not unusual at all. You may have low oil pressure but you would need to take a pressure reading to find out.
Apr 25, 2015 at 11:00 AM