Re: oil pressure light still going off when lifting off gas pedal - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: oil pressure light still going off when lifting off gas pedal
Posted by Used to be Slug (more from Used to be Slug) on Mon, 31 Jul 2023 07:32:28
In Reply to: oil pressure light still going off when lifting off gas pedal, Saabu [Profile/Gallery]
, Mon, 31 Jul 2023 07:04:03
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I'd been chasing an intermittent oil pressure light on warm idle in my 2003 9-5 for several years now. The engine also has loud ticking noise (presumably from the valvetrain) on cold startup and warm idle. Tried thicker oil (changed from 5-30 syn to 5-40 syn) and while that took care of the oil pressure light, it didn't do anything for the ticking hoise. I had the oil pressure relief valve changed, and that didn't do anything either.
I finally had the oil pan dropped at ~170k mi. No sludge was reported. A couple of crankshaft bearings were dropped for inspection, and no damage was observed. I had the pickup tube o-ring changed at the same time after reading up on the online forums. Now, the cold start ticking noise has largely disappeared and I haven't yet heard anymore ticking noise during warm idle. Encouraging so far, and I hope it stays this way...
posted by 172.56.113...
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