Recent content by jberrymd
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J
2008 Denali XL 6.2L Low Oil Pressure - Fixed
I will try the front end down test first to see if that helps with the pressure.- jberrymd
- Post #35
- Forum: Engine & Drivetrain
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J
2008 Denali XL 6.2L Low Oil Pressure - Fixed
just had our 2009 Yukon XL denali at mechanic with low oil pressure/lifter tick. Pressure is 20 when on highway and down to around 10 at idle. We did an oil additive cleaning and then changed the oil from 5W30 to 0W20. Now pressure id 40ish at startup and drops as it warms up and driving. I...- jberrymd
- Post #34
- Forum: Engine & Drivetrain
