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Occasional hiss, 900 set
Posted by lauriem (more from lauriem) on Thu, 15 Aug 2002 13:33:39
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I have had my 900 SET (1998, 107k miles) for a month, put 3000 miles on it, and the car is runnimg superbly. However, I have never had a turbo before (previous SAAB a 1995 900s non turbo), and have noticed an occasional hissing sound, lasting perhaps a second or two, as if pressurised air was venting through an overflow valve or something. This "hiss" happens every three or four minutes when cruising at high speeds (85 mph typically), and sometimes when you come to a stop at lights or something.
Is this a normal "turbo thing", or should I investigate more thoroughly.
I have just done a major service (replaced plugs, filters etc and every fluid), and every previous service was done on time by a Saab main dealer.
posted by 62.252.2...
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