fink123

Ok I'm complete lost and about to loose my mind trying to figure out this humming and vibration in my truck I checked some threads already posted but they don't fit my problem exactly
OK here's what's going on I have vibration I can feel in the wheel and pedals when traveling at about any speed the vibration is seems to stop when wheel is straight and increases I turn to the left to best describe the noise it sound like a bogger with a flat spot
It seemed to me it would have been the wheel bearings so I jacked it up and had a little play in drivers side went ahead and replaced it no play at all in passenger side I also replaced that about a year and a half ago. I also know it's not my tires because I have a brand new set of nittos that are 2 weeks old and this problem is present on them and was also present on my old set any ideas?

techrep

iTrader: (1)

4 wd ?

fink123

Yes sir it is 4wd and it operates properly

fink123

Actually I just checked an the passenger side iwe isn't working the cv axle is staying locked in but would that cause all that vibration and noise?

techrep

iTrader: (1)

thats why i asked if it was 4WD... IWE is most likely half way disengaged.. vacuum holds them out.. unlocked...

fink123

Well I guess the moral of the story here guys is don't buy cheap parts from autozon it was my hun assembly and iwe that I had replaced a year ago

jamie930

Well if you didnt fix the problem that killed the first IWE the same problem would kill the IWE again.
You need to do some reading here to find the root cause

4x4 Issues

• Troubleshooting Guide: https://www.f150forum.com/f4/4x4-trou...g-guide-39789/
• IWE Solenoid: https://www.f150forum.com/f4/iwe-sole...nfo-all-46807/
• Changing the IWE Solenoid: https://www.f150forum.com/f4/my-satur...ge-04-a-18608/

techrep

iTrader: (1)

Jamie is right...if you have water in your vacuum lines this will eat up your IWE.

fink123

Ok thanks guys I have already changed the solonoild on the firewall to the one with the rain cover and blown out the lines

techrep

iTrader: (1)

should be good now...