Oil Pressure

Discuss your 2000-2005 Bonneville SE, SLE, SSEi, Buick Le Sabre 00-05 and Buick Park Avenue 97-05. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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ericm88
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Year and Trim: 2001 SE
Location: Slickville, PA

Oil Pressure

Post by ericm88 »

I've looked around and I think oil pressure sender might be bad. I wanted to ask to see what you all think. I drove around today and oil pressure was good. Tonight when I got in my car to drive home I noticed the oil pressure sitting around 110 or so, its not all the way pegged out. I checked my oil and it is normal and everything sounds and feels okay. It seems like the oil pressure does rise a little with RPM too. I'm not sure if it is the sending unit. What do you think?

Thanks in advance.
2001 Bonneville SE
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viper8907
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Re: Oil Pressure

Post by viper8907 »

Definitely the sender. My started reading high too, and eventually pegged at 120. I just got a new one in this weekend and it reads 60 psi at idle again.
-Tom
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2003 Silverado Ext. Cab - Charcoal - 128,000 miles - Stock...for now.
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dematka
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Year and Trim: 2001 Bonneville SSEI

Re: Oil Pressure

Post by dematka »

Yep, I just fixed this. Reading way too high and LEAKING OIL! The sender starts leaking and messes up the reading. Fix two problems with one repair - and it's cheap and easy!
kristie_jeff
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Re: Oil Pressure

Post by kristie_jeff »

Sorry to intrude, but what should the "normal" pressure be? I assume it would change a bit with different oil weights, and maybe with temperature too, but i was curious.

I'm loosing a little bit of oil somewhere that I can't find, and depending on whether or not my pressure is high, maybe I found out why.
00Beast
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Re: Oil Pressure

Post by 00Beast »

Normal is subjective to your car. What pressures are you reading? I see about 60 PSI cold idle, 45 PSI hot, 65-70 PSI driving. This is my aeroforce's numerical reading, not my stock gauge.
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