Chasing down a blend door problem on a 2000 Taurus wagon. I only get
air through the defrost ducts.
Following the pin-point tests for the mechanical side of this system, I
get to the A/C vacuum check valve, and it **
specified 15 hg for one minute. Pin point test says to replace the
However, while at a junk yard the other day I pulled about five of
these valves from other Tauri and saw the same result. None held 15 hg
for one minute.
I'm not convinced this part is the problem, and that buying a new one
would be a waste of $11. The guy at the parts counter says he's never
sold one of these to anyone before.