Is this oil pressure normal?

Tiny
YELLOW2007
  • MEMBER
  • 2002 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 115,000 MILES
Is my oil pressue suppose to read 40-60
Tuesday, February 26th, 2008 AT 9:21 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Oil pressure of 40-60 PSI is higher than it should be.
This vehicle should have:
6 PSI, minimum at 1,000 RPMs
18 PSI, minimum at 2,000 RPMs
24 PSI, minimum at 4,000 RPMs

Typically high oil pressure is due to a oil pressure relief valve. That valve is part of the oil pump. So you might have to replace the oil pump to get the correct pressure.
The oil pump is located inside the oil pan. You will have to remove the oil pan to access the oil pump.

Here is a helpful article:

https://www.2carpros.com/articles/high-oil-pressure

I have attached the diagrams for your reference.

Please let me know of any questions.

Thank you.
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Friday, August 20th, 2021 AT 6:45 PM

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