Strange vibration when cold
#21
Senior Member
Good news!
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PerryB (02-07-2017)
#23
#24
05 5.4l 3v s.crew lariat
Sounds like the4 IWE solenoid was letting at least one side engage 4x4 hubs . Loss of vacuum will cause them to activate , Lots of IWE sol failures due to water getting on solenoid . newer ones come with rain hood . Its hard to under stand this thread , he says he replaced actuator , that could be several parts . I'm guessing it was the solenoid , the cheapest part .