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'99 - '06 GM Truck Modifications
Engine & Performance
Low oil pressure warning.
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<blockquote data-quote="ORVietVet" data-source="post: 29775" data-attributes="member: 9438"><p>To check for oil pickup tube o-ring problem, park the truck pointing downhill at a decent angle. Usually backing the rear tires up on a pair of ramps is enough angle. Add 2 quarts to the full amount that is already in the oil pan. Start the engine and if the oil pressure is all of a sudden good, then the o-ring needs changed. If you delay that work and do not change the oil right then, drain the 2 quarts out before driving. </p><p></p><p>Does not have the screen, like [USER=6175]@stutaeng[/USER] said. If you change the sender, attach the oil pressure gauge before installing the new sender and do an oil pressure test. </p><p></p><p>Checking for glitter. Cut the filter open close to the roll seam where the threads are. You can pull the guts out. Then, like panning for gold, pour a little oil out on to a clean white rag or paper towel, a couple thicknesses thick. Look thru the oil. then tilt the cannister a little and look above the oil and see if you see glitter in what is trying to drain down to the oil puddle. Cut the end of the filter pleats and look inside the filter pleats. If you cut out a section of pleats, pull/stretch them open and look for the glitter. If you see ANY glitter, that is bad. </p><p></p><p>I like to use a magnetic drain plug, too.</p></blockquote><p></p>
[QUOTE="ORVietVet, post: 29775, member: 9438"] To check for oil pickup tube o-ring problem, park the truck pointing downhill at a decent angle. Usually backing the rear tires up on a pair of ramps is enough angle. Add 2 quarts to the full amount that is already in the oil pan. Start the engine and if the oil pressure is all of a sudden good, then the o-ring needs changed. If you delay that work and do not change the oil right then, drain the 2 quarts out before driving. Does not have the screen, like [USER=6175]@stutaeng[/USER] said. If you change the sender, attach the oil pressure gauge before installing the new sender and do an oil pressure test. Checking for glitter. Cut the filter open close to the roll seam where the threads are. You can pull the guts out. Then, like panning for gold, pour a little oil out on to a clean white rag or paper towel, a couple thicknesses thick. Look thru the oil. then tilt the cannister a little and look above the oil and see if you see glitter in what is trying to drain down to the oil puddle. Cut the end of the filter pleats and look inside the filter pleats. If you cut out a section of pleats, pull/stretch them open and look for the glitter. If you see ANY glitter, that is bad. I like to use a magnetic drain plug, too. [/QUOTE]
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'99 - '06 GM Truck Modifications
Engine & Performance
Low oil pressure warning.
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