what should my oil pressure be in my 2010 Avalanche?

Asked by Aug 09, 2015 at 01:28 AM about the 2010 Chevrolet Avalanche LTZ 4WD

Question type: Maintenance & Repair

My 5.3L v8 flex fuel engine cold start oil pressure is at 40psi and drops to 20psi 600 rpms when warm. The trucks idle gets rough when it drops under 20psi or 500rpms.

1 Answer

18,905

OK, here's the answer you're looking for, between 30 and 40, See picture below, link, http://www.gmtruckclub.com/forum/threads/oil-pressure-gauge-what- should-it-read-for-a-5-3l-with-dexos1-oil.100410/

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