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 Post subject: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Mon May 24, 2010 9:23 pm 
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Male nurse in training
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Location: Fort wayne
Heres the facts...

This has happened 3 times for me a couple weeks ago and just now doing a write up, but its been fixed for awhile Boogers and shit!!.

1) under Heavy or Light acceleration or constant speed
2) hear a whirring noise from the front of the truck
3) slow down to nearly a stop < 10 MPH
4) Hear 2 clunks, 1 on passenger side then immediately following 1 on drivers side
5) problem goes away for a day or two and then happens again

The best way i can describe it is that it sounds like i am trying to engage 4wd and the gears are just spinning until i slow down enough for the teeth to engage.

IWE Located behind the battery on the firewall.
Image
Removal of IWE Solenoid from bracket if your new one didn't come with a new bracket and you need to reuse the old one. Just clips into the bracket, clip shown here.
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difference between old and new (water shielding on the new one)
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Prior to hooking up the Plug and Vac Lines
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All hooked up
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Part Number / Box
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Image
Bottom line, if you hear the noise immediately try to switch to 4HI and try to make it engage, get it fixed before the actuator or hub gear are damaged. So spare your tranny and t-case and replace the Solenoid. I have the PDF's of the manual for several pages regarding the front diff. including the pages for the replacement procedure for the IWE's. PM me and I will send them.

Info from F150online

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2016 JKU with some stuff


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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Mon May 24, 2010 10:13 pm 
BOTTOM LINE, DONT BUY A FORD. LOL


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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Mon May 24, 2010 10:26 pm 
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Male nurse in training
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Location: Fort wayne
Lets not clog up the tech forums with mindless babbling please :)

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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Mon May 24, 2010 10:32 pm 
will do, sorry sir. :eyebrows:


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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Wed May 26, 2010 3:58 pm 
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spackled
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Posts: 1186
.... and IWE stands for ?? :?

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Lo mi. 78 CJ5, no rust, Lots of dents. 96 XJ 2dr.


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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Thu May 27, 2010 9:12 am 
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spackled
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philbert001 wrote:
AMXtogo wrote:
.... and IWE stands for ?? :?

I whine endlessly? I want exema? I watch emus? I weigh elephants? OK, I'm done!


95YJMan wrote:
Lets not clog up the tech forums with mindless babbling please :)

:?

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Lo mi. 78 CJ5, no rust, Lots of dents. 96 XJ 2dr.


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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Thu May 27, 2010 7:33 pm 
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Male nurse in training
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Joined: Sun Feb 06, 2005 12:03 am
Posts: 1006624
Location: Fort wayne
IWE stands for "intermediate wheel end"

When the engine is started and running, vacuum is exerted on the entire system, unlocking the IWE actuators. When the engine is turned off or 4WD is engaged (either by floor shifter of dial selector) vacuum is released by the IWE solenoid to the actuators at the wheels. So vacuum to the actuators at the wheel unlocks the hubs for 2WD and release of vacuum by the solenoid locks them for 4WD.

Image

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 Post subject: Re: How To: IWE Solenoid Replacement with Pictures.
 Post Posted: Thu May 27, 2010 8:41 pm 
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spackled
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Learned something new. Now I can go home!

(That sounds like a potential for alot of problems) :?

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