2009 Suburban Low Oil Pressure

10

Asked by Racingteam04 Jan 08, 2020 at 07:02 PM about the 2009 Chevrolet Suburban 1500 2LT 4WD

Question type: Maintenance & Repair

I have a 2009 Suburban. I have replace the engine with a rebuilt long block.
Also new oil pressure sending unit. I still get low to no oil pressure on factory
gauge later engine running for about 10 minutes? Help please

4 Answers

26,640

I saw a few trouble codes for lo oil pressure, the circuit description I listed below is for p0521, you can see how the circuit works. Some makes and models you could use an analog gage in place of the oil pressure sending unit to double check the oil pressure reading. The old rule of thumb was 10 psi for every thousand rpm. You need to use the proper oil pressure specs, which I don't have, in front of me. I did see a service bulletin about remanufactured engine, goodwrench, having this problem. If you want the bulletin, I'll post it? good luck

1 people found this helpful.
10

Please post he service bulletin. I was looking into the manual gauge to verify pressure. Doesn't seem as easy as I was hoping for. Thanks

1 people found this helpful.

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