Re: closing in on tcs problem - Saab 9000 Bulletin Board - Saabnet.com
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Re: closing in on tcs problem
Posted by nowers 92-9KT (more from nowers 92-9KT) on Tue, 20 May 2003 12:23:09
In Reply to: closing in on tcs problem, josh h, Mon, 19 May 2003 11:31:04
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Try replacing the check valve (cheap) located next to the TCS dump valve on the firewall. I would also advise a new dump valve ($75) if you haven't already changed it. And put on all new vacuum tubing in the TCS system.
The dump valve is the highest failure item in the system, but your symptoms could be explained by a faulty (or missing or mis-installed) check valve. As long as there is vacuum in the manifold, the system works but when the turbo pressurizes the manifold, the check valve must keep that pressure out of the TCS.
Good Luck!
Dave
posted by 205.188.20...
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