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Everything You Wanted To Know About The IWE System....And Then Some!

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  #76  
Old 07-11-2016, 11:40 PM
Junior Member
Join Date: Jul 2016
Posts: 1
Had this problem after I had new tires installed on the 2010 F150 Lariat. Rattling sound coming from the drivers side Wheel well, Sounded BAAAADDDD, like $$$$$ bad. To make a long story short, I looked around and turned out the vacuum lines on the passenger side weren't even plugged in!!! Somehow they had gotten unplugged while the tires were changed. I plugged it back in and the sound went away. Thanks for your help guys.
 
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  #77  
Old 07-24-2016, 11:46 AM
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Join Date: Jul 2016
Posts: 2
2010 f150 fx4

I have replaced the solenoid, checked the vaccum lines, and I put on a new actuator. What else could I check? I put a vacuum tester on my the lines going into the actuators It's getting 20" on the passenger side and 15" on the driver side. Idk what else to do. The passenger side is grinding the worse.
 
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  #78  
Old 11-21-2016, 06:09 PM
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Join Date: Jul 2005
Location: Michigan, New York, Massachussetts
Posts: 21
I searched and decided to start a thread since my symptoms weren't easily discovered with the "search" button here:

https://www.f150online.com/forums/20...nt-wheels.html

And I was directed to this thread...

I have a vacuum pump/gauge and am going to try and start troubleshooting my inoperable 4x4 system. I have a few different symptoms, and want to get opinions:

(1) If the actuators are "released" under vacuum, then shouldn't my hubs lock when I remove the vacuum lines from the actuators?

(2) Has anyone had the IWE solenoid/actuators be at fault for not getting INTO 4x4? It appears that the symptoms are all will not come OUT of 4x4, or starts to engage 4x4 without being prompted.
 
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  #79  
Old 11-22-2016, 01:15 PM
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Join Date: Jul 2005
Location: Michigan, New York, Massachussetts
Posts: 21
Originally Posted by Kitt View Post
I searched and decided to start a thread since my symptoms weren't easily discovered with the "search" button here:

https://www.f150online.com/forums/20...nt-wheels.html

And I was directed to this thread...

I have a vacuum pump/gauge and am going to try and start troubleshooting my inoperable 4x4 system. I have a few different symptoms, and want to get opinions:

(1) If the actuators are "released" under vacuum, then shouldn't my hubs lock when I remove the vacuum lines from the actuators?

(2) Has anyone had the IWE solenoid/actuators be at fault for not getting INTO 4x4? It appears that the symptoms are all will not come OUT of 4x4, or starts to engage 4x4 without being prompted.

Update: I didn't pull the wheels/hubs yet, however after a simple test, I saw that the halfshafts were both turning in 4wd, and not turning in 2wd... I infer that transfer case and diff are OK, and since both sides are permanently DISENGAGED, the problem likely started in the solenoid, and now I have 2 failed IWE actuators.

Price quoted for parts at local dealership:
IWE actuator - $170 each
IWE solenoid - $46

They agreed to sell for $140 & $35, respectively. I am doing all 3 and buying locally for $315+ tax. I didn't get a labor estimate, as I believe this to be a job I can do at home.

Best price for parts online: $260 shipped
http://www.ebay.com/itm/321900439287?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
 
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  #80  
Old 11-30-2016, 08:38 PM
Member
Join Date: Jul 2005
Location: Michigan, New York, Massachussetts
Posts: 21
OK, I have an update...

1. I pulled things apart, and one IWE was physically damaged (more the CV seal, and not the bladder), and one looked OK...

2. With the truck on, I had the 4WD activated from inside the cab, with no "release" of the vacuum... so no 4WD actuation (presumably) due to a faulty solenoid.

3. Installed new solenoid, and with CV's removed, - I plugged the vacuum hose onto an uninstalled IWE and re-tested the system... it was now engaging 4WD, but not fully pulling back in for 2WD. I plugged the other vacuum hose into another IWE - and results look good. With IWE's (one new one old) hanging on the truck, and new solenoid installed, I appear to have a working system. (I took video of these working if it helps anyone down the road).

4. Do things ever go that easy? Well... one of the hub gears is severely damaged (on the side with the damaged IWE). So... I get to return an IWE to Ford, and turn around and buy a replacement hub.




 
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  #81  
Old 12-27-2016, 08:13 AM
Junior Member
Join Date: Dec 2016
Posts: 2
Hi everyone I have a 2009 f150 and this is the problem i'm having with my truck. The truck will not shift into 4 hi or 4 low while idling or on the fly. However if I shut the truck off and put the electronic control in 4 high and then start the truck again it will shift into 4 high and work fine. Any ideals what could be causing this issue , both iwe actuators replaced last year along with new vacuum hoses for the truck.Sorry for the font size don't know how to change it back
 

Last edited by codtounge; 12-27-2016 at 08:16 AM. Reason: wrong size font
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  #82  
Old 09-29-2017, 01:03 PM
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Join Date: Sep 2017
Posts: 1
rattling hub

Bought a 2008 two years ago, lots of after market stuff. Everything was good till about 2 months ago, now I've got that grinding, rattling whatever you want to call it in the left side hub. New hub bearing new actuator, new vacuum line, still rattles. Plenty of vacuum on the right, still almost none on the left. The 4 wheel seems to work it just rattles in 2 wheel.
 

Last edited by mtemplet27; 09-29-2017 at 05:43 PM. Reason: correct info
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