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Harness

“Oil Pressure Too Low” & Squealing Noise

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Posted (edited)

While I was driving, I got an “Oil Pressure Too Low” warning and the car was making a squealing noise. Oil level checked ok and it wasn’t leaking anything. Video attached. 2008 C2S with 89,000 miles. Just had oil changed a 3-4 months ago at a professional, PCA trusted shop. Any idea what this is? Car will sit where it’s at and I’ll have it towed next week, but curious if anyone has thoughts or similar experience. 

Edited by Harness
Video

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If oil level is ok my money is on the oil pressure valve spring. Had to do this on my 06 where the spring got tired and hence the pressure regulation was out of whack. Simple fix from that I recall. 

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Was it squeeling like that? I had trouble uploading the video but the second one should work. 

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Nope. Sorry, hadn’t had a chance at the video. Sounds like a bearing but could be many things. In cases like that I like to use a stethoscope (like this 

WWW.HARBORFREIGHT.COM

Mechanic's Stethoscope

)

the one I got comes with a little funnel to help locate the noise. 

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I'm surprised that the failed AOS caused the low pressure warning. I hadn't read that low oil pressure was a consequence and I've had a failure while driving and I had normal oil pressure for the balance of the short journey home.

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