Re: High idle update/valve cover leak? - Saab 9000 Bulletin Board - Saabnet.com
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Re: High idle update/valve cover leak?
Posted by Craig [Email] (more from Craig) on Wed, 8 Apr 2015 09:09:17
In Reply to: High idle update/valve cover leak?, SMP, Mon, 6 Apr 2015 10:16:36
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Unfortunately I don't think that's going to be it. Some engines (BMW come to mind) have a different PCV set up where a small crank case leak will create a vacuum leak. This is extremely annoying on an older engine that is bound to have a few leaks! The 9k has a conventional system that essentially meters an expected amount of air through the PCV. Yes, pinching the hose will effect the idle but it just compensating for another air source. Never hurts to fix the VC cover gasket since it's an easy job, but unfortunately I think you'll have to keep looking for that vacuum leak.
posted by 24.165.21...
Posts in this Thread:
- High idle update/valve cover leak?, SMP, Mon, 6 Apr 2015 10:16:36
- Random CEL for coolant sensor, SMP, Sun, 26 Apr 2015 18:33:51
- Re: High idle update/valve cover leak?, John P, Thu, 9 Apr 2015 12:48:55
- Re: High idle update/valve cover leak?, John P, Thu, 9 Apr 2015 12:48:24
- PCV hose with check valve has oil on it, SMP, Wed, 8 Apr 2015 12:05:03
- Re: High idle update/valve cover leak?, Craig, Wed, 8 Apr 2015 09:09:17 <-- Viewing This Message
- Re: High idle update/valve cover leak?, Simon S, Tue, 7 Apr 2015 11:36:15
- Re: High idle update/valve cover leak?, Ben, Mon, 6 Apr 2015 15:29:30
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