Low oil pressure. Thicker oil? - Page 5 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-25-2006, 04:55 PM   #41
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@J Wikof,
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Man...i would be tearing into that sucker ASAP..............
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Old 05-25-2006, 05:06 PM   #42
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What'* the name of that spring? I might as well replace it if I'm going in.
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Old 05-25-2006, 05:19 PM   #43
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pressure relief valve spring as far as i know,,run into your local stealership..

replacing it would be a smart thing to do

inspect every thing good too when your in there for burs cracks etc.
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Old 05-25-2006, 05:22 PM   #44
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If the problem is surfacing over 2 years later, i hardly think the reassembly went wrong.

Easy enough to get to, though.
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Old 05-25-2006, 05:32 PM   #45
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If the problem is surfacing over 2 years later, i hardly think the reassembly went wrong.
I agree.....but at least he can cross that off his list of wonders
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Old 05-26-2006, 07:09 PM   #46
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eagerly watching this mines doing the same thing but i have a really noisy top end in the morning.
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Old 05-27-2006, 12:13 AM   #47
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Quote:
Originally Posted by markviiisvt4
eagerly watching this mines doing the same thing but i have a really noisy top end in the morning.
Remove the pushrods and soak them in solvent, and them blow them out. They've plugged with gunk, most probably. Through the hollow pushrods is how oil gets to the top end.
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Old 05-29-2006, 01:32 AM   #48
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Alrighty, I dug in to check my spring. I had installed it correctly last time. But I put in a new spring, because the old one felt noticably weaker than the new one. 20 minute drive home and through town, pressure was up by 5 pounds in general. We'll see if that lasts. When I got home, I let it idle for a minute, it never dropped below 20 psi.
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Old 05-29-2006, 01:51 AM   #49
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Quote:
Originally Posted by J Wikoff
Alrighty, I dug in to check my spring. I had installed it correctly last time. But I put in a new spring, because the old one felt noticably weaker than the new one. 20 minute drive home and through town, pressure was up by 5 pounds in general. We'll see if that lasts. When I got home, I let it idle for a minute, it never dropped below 20 psi.
How hard was it to get to the cover on the oil pump for disassembly?
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Old 05-29-2006, 02:38 AM   #50
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I'd have to remove the front cover to get to the oil pump, but I just removed the oil filter adapter by reaching through the wheel well. I removed in this order:

Passenger front wheel, fender liners, oil filter, oil cooler lines, oil filter adapter, spring and valve.

I had a couple ratchet/tripot (is that what it'* called?) clearance issues, but nothing I couldn't work around. And for future reference, oil cooler line collars are 13/16". I put new o-rings on those too. I've always had a little seepage from those.
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