Question about 2006 Ford F-150
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Posted on Jan 02, 2017
Depending on how long the grinding has been going on, the IWE ( integrated wheel ends ) might need to be replaced.
The problem that causes the symptoms is either cracked vac lines from the IWE solenoid, or a faulty IWE solenoid.
Check the vac lines to the IWE, this is the block diagram of the setup
Use a visual inspection and vac tester ( might vac with a gauge on it ) to test the lines.
Posted on Nov 29, 2009
Testimonial: "great! It was cracked vacuum lines. Thanks for the feedback!"
the 242 is the correct transfer case for your car.Its the selec-trac transfer box.The other type is the command-trac.Both types were used in Cherokees.Hope this helps
Posted on Jan 03, 2010
This sounds like the front hubs are trying to engage. This motor/4wd is real susceptable with vacuum problems. I let my oil get real dirty and it caused the low vac.The dealer performs vac test for front IWES (3c247) and found both of them leaking out of tolerance. This also caused damage on the splined contact points so they had to replace both front wheel hubs (1104)
Posted on Feb 12, 2010
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