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Re: 2.0T Turbocharger longevity
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Posted by JustinHiFi [Email] (#829) [Profile/Gallery] (more from JustinHiFi) on Fri, 29 May 2009 14:02:49 Share Post by Email
In Reply to: 2.0T Turbocharger longevity, Chuck Marquardt, Thu, 28 May 2009 05:53:39
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The turbos used on the sports sedan 2.0L and 2.8L are very relible when compared to the GT17 and GT15 used on the previous 9-3 models. As Anders said, mostly the only time they will require replacement is when the oil is not changed/ vehicle is not maintained.

The only real failure I have seen beyond oil coking up the oil supply and return lines and starving the turbo of oil is when the bypass valve diaphragm tears and the CEL is ignored. When the bypass valve fails it will cause compressor surge and slowly will destroy the internal seals and bearings. The new diaphragm is $$$ but a replacement turbo is much more. Integrating the bypass vale into the compressor housing is one major changes in the turbo system from the old 9-3 to the new 9-3.

JustinHiFi
Strictly Saab
Melbourne, FL

posted by 67.81.36... 
_______________________________________
JustinHiFi
Strictly Saab Inc.
Melbourne, FL

Current:
-1991 900 S-PG MT
-2001 9-5 Wagon AT
-2006 9-3 SS AT

Past:
-1964 96 2-Smoke MT
-1967 96 v4 MT
-1983 900 Turbo MT
-1985 900 SPG MT
-1988 9000 Turbo Black MT
-1988 9000 Turbo White AT
-1990 900 SPG Red MT
-1990 900 SPG Black MT 
-1991 9000 Turbo MT
-1991 900 SPG Red MT
-1992 9000 Griffin AT 
-2000 9-5 Aero Sedan MT
-2001 9-5 Aero Wagon MT
-2008 9-3 2.0T Sedan AT
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