Re: spark plugs in oil - Saab 9000 Bulletin Board - Saabnet.com
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I don't think the odds are high that 3 out of 4 DI cassette coils are leaking oil.
More likely it is the valve cover gasket. The gasket may be fine, but the valve cover isn't torqued tight enough. The spec is 11.06 foot pounds (133 inch pounds). The first time I checked mine they were only hand tight, and I had oil around my plugs. Tightening the valve cover properly fixed the leak. You can get a cheap-o torque wrench at Harbor Freight that goes up to 20 foot pounds. Mine lives in the car next to my spare DI cassette.
Recommend you wipe the area clean and dry, retorque the valve cover, drive it and see if the oil returns. By the way, the spec for the DI cassette bolt torque is 8.1 foot pounds (97 inch pound). That is another frequently undertorqued part, but not the source of the oil leak.
Posts in this Thread:
- spark plugs in oil, Lionel, Tue, 17 Aug 2010 17:44:38
- Re: spark plugs in oil, sam96CS , Wed, 18 Aug 2010 16:53:56 <-- Viewing This Message
- Who advised you to buy an old Saab?, marvinstockman, Wed, 18 Aug 2010 15:31:37
- Re: my guess is the DI, DanaH, Wed, 18 Aug 2010 07:36:59
- Re: spark plugs in oil, Erik919kt, Wed, 18 Aug 2010 07:08:06
- Re: spark plugs in oil, Simon S, Tue, 17 Aug 2010 19:00:24
- Re: spark plugs in oil, AndyRobertson, Tue, 17 Aug 2010 17:59:39
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