Has anyone had a 9k with a rod knock? - Saab 9000 Bulletin Board - Saabnet.com
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Has anyone had a 9k with a rod knock?
Posted by Craig [Email] (more from Craig) on Mon, 19 Mar 2001 18:21:37
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I fear the worst for my poor '87 9kT. She has 245k and has developed a noise that could definitely be characterized as a knock. It's hard to pinpoint, but it seems suspiciously loud down by the oil pan. The noise is present at idle and increase with rpm until it either stops or is drowned out at higher RPM. This is definitely not a lifter (the noise sounds too deep) and has only appeared recently. It is running a 10W30 synthetic blend but has had only 10W40 dino in the recent past, changed regularly for its entire life. I will try switching to 20W50 and seeing if the noise disappears (though I know this will only prolong the inevitable at best.) Has anyone replaced the rod bearings in-car? It doesn't seem like it would be too hard once you get the pan off. Compression is still good all around. I remain optimistic as I haven't heard of anyone else with rod bearing issues, just a couple of catastrophic rod failures. Any thought are appreciated.
Craig
ailing '87 9kT, 245k
Posts in this Thread:
- Has anyone had a 9k with a rod knock?, Craig, Mon, 19 Mar 2001 18:21:37 <-- Viewing This Message
- What is this knocking like?????, AE, Tue, 20 Mar 2001 18:18:00
- Synthetic oil, a machine shop's dream come true, brad, Mon, 19 Mar 2001 22:42:08
- Someone should tell BMW to stop using synthetic oil from, jeffla, Tue, 20 Mar 2001 14:22:55
- Huh, 'scuse me, but..., Robert Davis, Mon, 19 Mar 2001 23:48:55
- Wow, this is interesting..., Craig, Mon, 19 Mar 2001 23:37:48
- Park it now ..., QuasiMotor, Mon, 19 Mar 2001 22:21:41
- Ditto! n/m, Robert Davis, Mon, 19 Mar 2001 23:49:33
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, Tue, 20 Mar 2001 04:35:41