Low oil pressure stop engine

Asked by Mar 25, 2017 at 09:22 PM about the 2009 Chevrolet Silverado 1500 LT Extended Cab RWD

Question type: Maintenance & Repair

I havw changed the sending unit 3 times and the
oil pump
Using good clean oil and still saying same stop
engine low oil pressure after heated up
Tj dbd;ghg?????

5 Answers

85,645

Well, there is a screen under the oil pressure sending unit that gets gummed up. That screen is blocking the oil pressure to the oil sending unit and shutting the engine down. It thinks there is low oil pressure. That screen needs to come out and be cleaned or replaced. Then you'll be fine.

I havw cleaned the screen, pressure starts up at about 40 then as heats up within 30 minutes of running it begins to drop to nothing . Turn off and restart at close ro 40 then wirhin a minute, right back to stop engine no oil pressure

85,645

Would this be the 5.3L engine? I would verify the oil pressure with a mechanical gauge first to see if this condition actually exist. If the oil pressure gauge shows the same thing, some of the 5.3L engines have an oil pump issue and would need to be changed out.

10

https://youtu.be/51RusQeWZ1A O ring might be the main problem on this deal check out YouTube link hope it helps.

1 people found this helpful.
50

Any update on this? I have the v-6 and I’m getting the low oil pressure turn off engine display as well. Is the sensor and the filter an easy change or do I need to take apart part of the engine to get to it? Sorry I’m learning to do the repairs myself so don’t give me a hard time for asking.

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