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Headbolts and oil light flicker
Posted by jpa [Email] (more from jpa) on Mon, 16 Nov 2009 04:32:22
In Reply to: I would say drop the pan., 2000AERO, Sun, 15 Feb 2009 06:51:07
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After fixing oil and coolant leak by re-torquing headbolts (4 of 10 were loose), took car for test drive and both leaks from end of block resolved. Oil dripping down front of engine onto exhaust pipe and coolant leaking onto top of tranny housing.
The test drive only to see oil light flicker at idle. Oil was just chagnged 1000 miles back, but topped off oil anyway. Noticed unusual whining noise at startup and a tad louder valve chatter, so decided to pull the pan. Valve cover had revealed nothing unusual, so expected similar oil pan result. 9-5 2.3t with 99,900 miles.
Interesting to see the slurry of granular junk in the bottom of the pan - after I just drained the oil! appx 25% screen blockage too. Bathed all parts in acetone and used stainless bristle toothbrush to clean surfaces and gentle poking (not scrubbing sideways) of screen surface.
Job was actally easier than thought, but the 4 pan bolts at the timing chain end took patience with a 1/2 inch box end wrench. Jacking up tranny after removing mounting bolt helps pan to drop easier too.
Most tedious part of it all was scrubbing / cleaning valve cover and pan, sump and collector tray. Used thin coat of RTV silicone to seal it all up again.
Upon startup, engine quiet , everything back to normal. Sludge materials could have been from oil drain tube from collector box to sump. Did PCV #6 last year, and the lower hose already had a hole in it, so it probably rotted out from the inside, sending rubber chunks into pan. Nice engineering Saab for saving 15 cents to ruin a good motor.
posted by 68.55.8...
Posts in this Thread:
- saab 9-5, oil lamp flickers, post Headgasket, VTfred, Sat, 14 Feb 2009 17:57:40
- what was the reason for h-g replacement ?, jimmy, Sun, 15 Feb 2009 10:51:55
- Re: saab 9-5, oil lamp flickers, -longshot, TG, Sun, 15 Feb 2009 10:44:01
- Re: saab 9-5, oil lamp flickers, post Headgasket, JustinHiFi
, Sun, 15 Feb 2009 08:54:59 - I would say drop the pan., 2000AERO, Sun, 15 Feb 2009 06:51:07
- Re: saab 9-5, oil lamp flickers, post Headgasket, Aussie Aero, Sun, 15 Feb 2009 05:04:41
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