Re: pcv update question - Saab 9-5 Bulletin Board - Saabnet.com
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Re: pcv update question
Posted by Dean (more from Dean) on Sun, 17 Oct 2004 11:28:56
In Reply to: Re: pcv update question, LesH, Sun, 17 Oct 2004 10:26:44
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Head bolt retorque is not going to break anything. But a new HG might break the bank. And most folks do not have problems. A GH leak stain on the exterior is a call to action that cannot be ignored.
Some of the failed pistons on the 230/250 HP engines may be from leaking head gaskets creating high blow by volumes putting a lot of oil mist into the intake air which messes up octane. A possible but speculative chain of events. Some think that the PCV redesign is partly motivated by this.
Swedcar's connection of the head bolt problems with the blow by gas problem is very interesting. I had not made that association before.
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