Attachment 17176
saab 9-5 2003 linear
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Attachment 17176
saab 9-5 2003 linear
I assume you mean the part with the red ring on the inlet pipe?
If it is blocked of it may have been modified out, if not there should be a short hose that goes under the inlet pipe and to something on the firewall. I can't see what on WIS.
If it’s the hose you drew red lines on I believe it goes to a T connection