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Stl-986 · 07-17-2021, 06:27 PM

I caped off the line where it is blue and I put my vac gauge where it is red. No change is reading.

22 is the check valve that goes into the intake. That has been replaced and I tested it and it is working correctly. Old one wasn't and would allow air both ways.

07-17-2021, 06:27 PM	#28
Stl-986 Registered User Join Date: May 2017 Posts: 1,180	I caped off the line where it is blue and I put my vac gauge where it is red. No change is reading. 22 is the check valve that goes into the intake. That has been replaced and I tested it and it is working correctly. Old one wasn't and would allow air both ways. __________________ 2000 Boxster Tiptronic 2003 Boxster 2003 996 C2 Cab 2002 996 (SOLD) 1986 944 (gone but missed)