Yeah I mean it's basically what seals the tube to the block so once the pans off it's more or less right there. Difficulty is more or less measured by the amount of stuff in your way of getting to that point.
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🔧 Technical Vortec 5.3 (LH6) Low Oil Pressure
- Thread starter 1998gpgt
- Start date
These are front sump right? No clue on how hard pans are to remove but should be able to get it with the timing cover on and pan off if that’s easier. You can do it with the timing cover off and pan on but it’s sketchy. There’s also two different o rings and you just match the color that’s in there.
Quick update. Finally got the Dealership to agree that this is not normal. Thankfully I’ve got a few instances of this light on video, so there is none of that “Technician could not replicate” nonsense.
I’ve got an appointment to drop the Saab off later this week for it to be further diagnosed. Will post another update once I hear back.
I’ve got an appointment to drop the Saab off later this week for it to be further diagnosed. Will post another update once I hear back.
oil pressure sensor, bad stepper motor in the cluster, clogged sensor screen, pickup oring.... all common.
verify with mechanical gauge.
also start running heavier oil.
verify with mechanical gauge.
also start running heavier oil.
Just got a call from the shop. Screen under the sensor was clean. They are leaning towards the pickup tube o-ring or the oil pump itself. They are working with the warranty company now on getting the claim approved.
I’ve got my fingers crossed that this warranty claim is accepted, otherwise I’ll be tearing this apart myself.
All the suggestions so far were spot on! Thanks again for the help and I’ll keep you updated as this saga progresses. I’ll be less annoyed with this situation if my new old car is fully covered under the warranty.
I’ve got my fingers crossed that this warranty claim is accepted, otherwise I’ll be tearing this apart myself.
All the suggestions so far were spot on! Thanks again for the help and I’ll keep you updated as this saga progresses. I’ll be less annoyed with this situation if my new old car is fully covered under the warranty.
Just got an update from the shop. Warranty company has accepted the claim, so the oil pump replacement will be covered up to $2000. Book hours on this is 17 hours, so I’ll owe a little out of pocket in addition to the $2k. Still feeling pretty good about the outcome though.
I’m actually not 100% on the final conversation between the shop and the warranty company. They checked the sender, the screen near the sender, and the oil pressure with a mechanical gauge. I do know they also ended up sending my startup videos to help support this diagnosis.
Saab is back in my possession after pickup tube o-ring and oil pump replacement. Engine is building oil pressure MUCH quicker now. Warranty company did end up paying out the full $2000 towards the repair bill, so I am quite happy with how things played out.
Outlaw didn't you fix this by running ATF through your 355k 5.3?
Late to the party but yes.
-Run engine until warm.
-Drain oil, LEAVE filter.
-Replace oil with ATF.
-Let idle for one hour.
-Go drive 5-10 miles, keeping RPM under 2,000.
-Arrive home, IMMEDIATELY drop the plug.
-Replace oil and filter.
-Enjoy.
I short change the next oil change at 1000 miles as well.
Glad to see the warranty company took care of it. Oil pump probably helped but my guess if it was more prevalent cold and built pressure as it warmed up is o-ring, which, most likely got replaced.
The ATF trick swells the o-ring supposedly, so it helps with that as well. I did it almost a year ago. Truck would make 4-5#’s cold, I had to idle it for 15-20 min until it warmed up before the light went away. Now it makes 40 on cold startup even still, and it sits for weeks at a time.
The ATF trick swells the o-ring supposedly, so it helps with that as well. I did it almost a year ago. Truck would make 4-5#’s cold, I had to idle it for 15-20 min until it warmed up before the light went away. Now it makes 40 on cold startup even still, and it sits for weeks at a time.
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