Feb 26, 2021 · Last question would be is if there's a check valve somewhere in there under the dash too , or if the second check valve on the line in the engine bay is all that's needed? And …

Jun 1, 2025 · Hello All, 2017 Ford Expedition EL VIN Build date 12/16/16. One owner. I have read the forums, which have been very helpful. I am wondering if I am missing the vacuum line that …

Dec 20, 2013 · 9 18A318 Vacuum control motor — air inlet door 10 — Recirculated air inlet 11 18B545 Temperature blend door 12 18A559 Panel door 13 — Panel air flow 14 18A318 …

Jun 1, 2020 · I have been searching for a couple days on the internet to find out the specific locations for all the vacuum connections, routing, check valve locations, etc for the 2007 …

Sep 16, 2016 · 12 18A559 Panel door 13 — Panel air flow 14 18A318 Vacuum control motor — panel door 15 — Floor air flow 16 — Vacuum from the engine intake manifold 17 19A563 A/C …

Jul 29, 2012 · The disconnected line has a yellow stripe on it and is on the bottom of a T-connector check valve which comes vacuum line from the 4WD solenoid on the firewall and …

Feb 17, 2019 · I'm assuming the navi uses the same check valve and vacuum line setup. PN is in the picture. I would only use a motorcraft solenoid. Rockauto has them pretty cheap Having a …

Jul 1, 2020 · I had to do intake manifold gaskets (also the tuning valve o ring had failed) while doing that i also confirmed with a borescope that there is a connection for the T vacuum hose …

Aug 17, 2013 · Did you replace the check valve between the engine and vacuum reservoir? It's there to maintain vacuum in the reservoir / lines for operating hvac and etc during loss of …

Jan 8, 2020 · Hey all, is the check valve for the 2015 Expedition in the same location (and type) as the same year F-150? I'm getting a grinding in the front end during low-speed braking and …