Vacuum line?
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Cross-Country
Joined: Sep 2015
Posts: 90
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Vacuum line?
So, I'm not sure if I have bad lines or what, but, I can hear my vacuum has lock when I put the truck in 4wd. The vents will default to defrost. Truck is a 2006 V10 250. Should I still suspect the hub's, or go after changing lines?
Hotshot
Joined: Jan 2004
Posts: 19,763
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From: St Louis
Then it isn't the vacuum lines to the hubs
Start with checking the vacuum hoses under the hood that lead through the firewall. Check the other lines that are tee'd into that one. Those vacuum lines near the battery seem to degrade due to the battery. Check the solenoid that supplies the vacuum to the hubs when energized, those solenoids have a bad habit of cracking and leaking vacuum all the time. Check the reservoir.
Start with checking the vacuum hoses under the hood that lead through the firewall. Check the other lines that are tee'd into that one. Those vacuum lines near the battery seem to degrade due to the battery. Check the solenoid that supplies the vacuum to the hubs when energized, those solenoids have a bad habit of cracking and leaking vacuum all the time. Check the reservoir.
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