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Re: 1989 SPG bucking
Posted by Tom86T (more from Tom86T) on Fri, 5 Oct 2001 12:31:58
In Reply to: 1989 SPG bucking, Kevin, Fri, 5 Oct 2001 11:56:38
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I just went through a similar nightmare with vacume lines and bucking. Of course I can't be sure, but check your turbo overboost switch. Mine was the source of all my trouble and I had a SAAB dealership tell me that my turbo was gone, and my head gasket was blown. NEITHER WAS TRUE!!! I also tried the bypass valve first, and although it was bad, it was not all that was wrong. When you check the overboost switch also check all the vacume lines under your dash. Mine were all dried out and cracked. They lead to the boost guage, switches on your brake and clutch for cruise control,...other goodies under there too. Not sure exactly on your 89' as mine is an 86'. Do a search on this B.B. for "overboost switch", "cruise conrol"....anything else related to vacume. You WILL find volumes of info to track your problem down.....I did. For details on ckeck procedures check out the "Townsend Imports" sight. AWSOME SIGHT WITH GREAT DETAILED INFO!!! Good luck with the SPG.
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