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Roby466's Avatar
Join Date: Sep 2009
Location: Halifax, Canada
Posts: 637
Diverter valve again

Quick question for those who have worked on many of these...
I rebuilt my diverter valve 2 years ago I believe due to having the typical ''clack'' noise upon releasing the throttle. It was better after the rebuild (just installed 2 new seals really) but the noise was still there.
I was out on a 4hr drive yesterday and when I got home I had a bad noise at idle. I got scared thinking it might be a pulled stud and got the stethoscope out. Well the ''clacking'' noise comes from the diverter valve. Can these start ''vibrating'' at idle?
I will order a new set of seals but is it an indication that the piston may be worn too much?
Thanks for any help. Let me know if I should source additional parts to rebuild that valve now. (piston and springs, end caps, if even available)

1985 Black 930, K27 7006, Garretson Intercooler, Adj boost, TB: 23 - 31mm, bielstein sport shocks, ER polybronze bushings front and rear, ER monoball joints front and rear with offset camber plates, 935 X triangulated strut brace, raised spindles, racing bump steer kit
1981 Black 911sc (sold)
Old 09-10-2018, 07:34 AM
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