Valve seals popped out with increased boost ! - Saab 9000 Bulletin Board - Saabnet.com
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Valve seals popped out with increased boost !
Posted by aeroblues [Email] (more from aeroblues) on Sun, 8 Feb 2004 11:59:20
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I never thought this could happen but with the Stromqvist Special ECU on my '95 aero the turbo is now boosting sometimes to 26 psi (peak) 20-24 sustained. Burnt an exhaust valve a couple of months ago so like the previous time I am thinking let's change the valve seals (since the oil consumption went from 1 liter per 5000 km to 1 liter per 1000km).
To my surprise 4 exhaust valve seals were off their guide. They were O.E.M. installed 40 000 km ago. Lesson #1: use contact cleaner to make sure everything is exempt from any oil residue when installing valve seals on the guides.
If they pop again I'll find some kind of glue , maybe high heat epoxy.
But I'll keep my fingers crossed cause everything seems fine now!
posted by 24.202.247...
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