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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

repaired vacuum lines to IWE, now vibration?

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Old 12-27-2015, 02:46 PM
  #11  
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If I were you man. I wouldn't mess with the other side if it is working properly. No point in fixing something that isn't broke. I would look at the teeth on your cv axle that locks into the bad hub. If they even look worn at all I would replace the cv axle while you have that side taken apart. But if it doesn't look too terrible. Just swap that hub out and you should be good. Glad to hear that it isn't something worse.
Old 12-29-2015, 09:05 AM
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At the very least, replace the failed part. If you can afford two, do both sides.
Old 12-29-2015, 09:21 AM
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yeah.. after driving around with them engaged for that amount of time .. i would do both. the other is not far behind the failed one. if you cant afford it then just do the one and get her back on the road.
Old 12-29-2015, 12:36 PM
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Originally Posted by ReaperHWK
Like I thought.

I'll price them out, depending on how much I'd either do one or both sides.

I guess that hum I was hearing was that one half shaft was locked, and the other was not. I was driving like this for about 2 days, hopefully I didn't screw anything else up if there is a front differential, don't know how that works. Now that I disconnected the vacuum for now though the truck sounds good, no noise.
That hum you hear is the partially engaged IWE. With that bleed down it is just enough to cause it to want to disengage but it can't fully due to low vacuum.

Personally I'd change to bad one and wait on the other. It's not like you have it apart so you do it anyway.

That being said I only changed one and ended up doing to other only a short while later. For me it was worth the minor risk to save the money.

Glad you found the issue. As I keep telling people, borrow the gauge as it narrows you right in on the issue without wasting time or money.

Last edited by Dirttracker18; 12-29-2015 at 12:39 PM.



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