Oil pan gasket leak back already? - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Oil pan gasket leak back already?
Posted by Derek in Durham [Email] (more from Derek in Durham) on Tue, 20 Apr 2004 18:14:30
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500 miles and 3 weeks ago I had the local dealer change the oil pan gasket on my 1994 900 S V6. The OPG was leaking badly and leaving nightly driveway puddles. After the replacement it was bone dry for about 2-2.5 weeks. I was very happy.
I just noticed 2 days ago that an oil leak is back! It appears to the same leak based on a visual inspection from below engine. I know that I have to take it back to the shop (which I can't do until May 3) but any theories on what's going on and what to expect or ask for?
Part was a genuine Saab gasket. Aren't all Saab parts warrantied for one year? And dealer work also warrantied for one year? I know neither I nor dealer want to pay for the labor to do it all over again.
I have 5 theories:
1) bad installation (didn't clean mating surfaces well enough, under/over torque of bolts, etc.)
2) another leak source (appears unlikely based on my examination)
3) bad gasket (unlikely?)
4) oil mixing causing gasket to leak... dealer used regular Castrol GTX 10W-30, I had previously been using Castrol Syntec Blend semi-syn 10W-30 and 10W-40 (seems really unlikely)
5) hidden damage to oil pan (unlikely?)
What to expect for resolution? Should they put some kind of tracer (UV dye?) in the oil to try to isolate the leak(s)?
Thanks,
Derek / 1994 900 S V6 142,000mi
posted by 152.3.1...
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