Date: Tue, 11 May 2004 13:58:15 -0400 From: "Fred W." <Fred.Willsnospampam myrealbox.com> Subject: Re: Where to buy BPC-valve / APC -valve?
"Zon" <johnnospamy-to-group.please> wrote in message news:1084288492.334256nospam.vaisala.com... > I have a '99 9-3 FPT with some boost problems. I have spent some time on > diagnosing the system, and I'm quite convinced that boost pressure valve > (BPC-valve / APC-valve) is leaking thus not allowing boost to build up > normally. > > So, where do I find this part? Of course from dealer, but where else? I > checked www.eeuroparts.com and their price is 200USD, which clearly is a rip > off. > > Do you have any other source for this part? I'm located at US. > > Ps. I contacted Saab-dealer back at home on the other side of the pond, and > their price for the part is ~70EUR (~80USD). Damn. I guess I have to ask > someone to buy it there and ship it to me, unless you know any reasonalble > parts suppliers in US? > > BR:Z There are some tests you can do to help determine if this is your problem before you dish out the moolah for a new one. Check out the diagnostic info here. It does not apply directly to your model year car, but the basics are pretty much the same: http://68.18.129.154/turbo_folder/baseboostdia.htm You can also try unplugging the electrical connection to the APC valve. It should run at base boost. Note that level on the gauge. Is that where it runs when the valve is plugged in? Next unplug the hose labeled W. Be very careful when you drive it. It should run like a bat outta' hell and boost up to the max and then the overpressure safety switch will shut down the ignition. If the above two steps check out, your turbo is making good pressure and your wastegate is functional. You would have to have some sort of control problem to the APC valve or a bad APC. -Fred W
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