1999-2009 [Subscribe to Daily Digest] |
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Hey all, it's been awhile:
Unfortunately I'm back with oil issues, on my mother's 99 SE LPT. I've had the car since 62,000 miles (in early 2003) and it's been on synthetic (usually Mobil1) to its current 115K miles. I had the valve cover off 50,000 miles ago and nothing scary was lurking underneath.
I'm having a hard time thinking it's sludge with that history.
My mother said the oil light flickered on hard right turns for a couple days. So I told her not to drive it, we got a few blizzards, and the car was encased in ice until this weekend, when I was up there to take a look.
It did seem to have oil. I charged it, started it up, and got a mess of valvetrain noise (which I expected since it sat) and some chain rattle. But it didn't quiet down and then the oil light came on. I shut it down and did an oil change.
On startup, almost all the noise went away, except a lone sticky lifter. No light. I gave it a few minutes to come up to temp and about the time I expected the lifter to go quiet, I got the oil light again.
Check level, add a half quart. Start, no light. But, within 5 minutes, it came back on solid. No knocking, though, just the one lifter. (Totally different than the wigged-out strobing oil light on my Aero but that's a story for later).
Now, this may be coincidence, but: about a month before the light came on, my brother-in-law took it to the dealer he worked at (not Saab) because the PCV nipple had broken off and there was oil everywhere. I can't get up there much lately to fix stuff so he called in a favor from the service guys. They patched the system with nylon ties and big beefy hoses. But it looks like they tried to reseat the nipple with some kind of white sealant. I'm wondering if enough got in there to cause problems - there's very little of it left and the nipple is out again.
I'm hoping that sealant, or gobs of it, may be clogging the screen -- barring a fairly random internal failure, whatever remains, however improbable...any opinions?
I'm also getting a sandwich adapter to verify but low pressure is pretty obvious. At least it wasn't driven much with the light on.
I plan to drop the sump, check for sludge/sealant remnants, and check the bearings. At the worst, if I open it up and a piston falls out, I can always use the parts (and the new PCV) on my Aero.
--fsik
99 SE LPT 115K (given to my mother)
00 Aero 200K+ (dunno exactly thanks to the ABS computer)
posted by 67.83.57...
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