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Is there an after market manual replacement for the IWE on a 2005 ford f150

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Does a 2006 ford expedtion need a vaccum on front hubs to make engage and disengage


The vacuum is to keep the 4x4 disengaged, once vac is removed the IWE ( Integrated wheel end ) is engaged, so the front hubs are locked.

Block diagram from the F150, EXPY should be the same routing ( could be slightly different )
sscullys_166.jpg

The f150 had a TSB for the IWE solenoid where water could get into the system, and cause the IWE to not be disengaged in 2WD ( slightly engaged, ratcheting the IWE gear ).
Right Click, Save As
http://my.voyager.net/~sscully/file_tsb06_08_15.pdf

Jun 16, 2011 | 2006 Ford F-150

1 Answer

Hello i have 2005 ford f150 iam having a problem with the 4 wheel drive on the driver side wheel actuateor i have vacuum to both hoses the big one and the small one and on the driver side there is only...


Should only be vacuum on 1 of the 2 hoses to the IWE, the other is a vent line that is just hanging in the engine compartment.

Did someone redo the vacuum lines and accidentally connect the vacuum system to the vent on the IWE ? If so, this would cause some problems with the 4WD system.

Jan 09, 2011 | 2005 Ford F-150

1 Answer

2004 f150, shift into 4 wheel,manual shift in floor, light comes on but dosent go into gear, any suggestions?


Operationally vacuum holds the IWE ( Integrated Wheel Ends ) out, and once vac is removed the spring engages the IWE.

Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc )
Key on, engage 4x4 and try to turn the front drive shaft.
If it turns it is a problem with the transfer case.
If it doesn't it is a front axle engagement problem.

- If the front drive shaft does not turn :
Shut of the truck ( still jacked up, and supported ) remove the vac lines from the IWE. The spring should push the gears in, without the vac line on.
Check the vent line ( tube that is routed into the engine compartment with nothing attached to it ), for blockages.
If the vent line is clear, and with the vac lines off the IWE should be engaged ( both front wheels locked ).
If they lock, the problem is with the IWE solenoid not shutting off vacuum to the IWEs. There is a TSB on the 2004-2006 IWE solenoids, a newer revision has been made, and used from 2007 and newer MYs.

Here is a block diagram of the IWE system
sscullys_54.jpg

Dec 15, 2010 | 2005 Ford F-150

1 Answer

2005 f150 front hubs noisey goes away when put in 4 wheel drive then back in two.


This is either the IWE ( Integrated Wheel Ends ) solenoid or the vacuum lines / check valve / reservoir for the vacuum system

This is a block diagram of the IWE vacuum system
sscullys_37.jpg

There is a TSB on the IWE solenoid for the 04 to early build 06 MY F-150s ( right click save as )
http://my.voyager.net/~sscully/file_tsb06_08_15.pdf

This is for the early build where water can get into the IWE vacuum system, causing weak vacuum at the IWE, and the spring is part engaging.

With the engine running, pull the IWE vacuum line ( not the vent line ) and measure vacuum, to make sure it is being applied. This is done with the Mode selector switch in 2WD and the engine must be running ( in park, take safety precautions, chock wheels, parking brake, etc )

Until you can get it fixed, pull the vacuum lines on the IWE ( make sure it is the vacuum line, not the vent line that runs into the engine compartment, and just hangs up there ).
This is so the IWE gear is not being ground down while driving it. The front axle is engaged when you do this, so MPG will suffer, but the truck is just pushing a dead front axle, the transfer case is not turning the front shaft. This is just to try to minimize further damage to the IWE gear ( which can cause a need to replace the IWEs ).

Dec 12, 2010 | 2004 Ford F150

1 Answer

2004 ford f150 4 wheel high will not engage 4 low will has manual shift


Operationally vacuum holds the IWE ( Integrated Wheel Ends ) out, and once vac is removed the spring engages the IWE.

Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc )
Key on, engage 4x4 and try to turn the front drive shaft.
If it turns it is a problem with the transfer case.
If it doesn't it is a front axle engagement problem.

- If the front drive shaft does not turn :
Shut of the truck ( still jacked up, and supported ) remove the vac lines from the IWE. The spring should push the gears in, without the vac line on.
Check the vent line ( tube that is routed into the engine compartment with nothing attached to it ), for blockages.
If the vent line is clear, and with the vac lines off the IWE should be engaged ( both front wheels locked ).
If they lock, the problem is with the IWE solenoid not shutting off vacuum to the IWEs. There is a TSB on the 2004-2006 IWE solenoids, a newer revision has been made, and used from 2007 and newer MYs.

Here is a block diagram of the IWE system
sscullys_34.jpg

Nov 28, 2010 | 2004 Ford F150

1 Answer

I have a 2005 F150 4x4 XLT. When it rains, my 4 wheel drive system will not engage. It won't even light up on my dash.


Sounds like an issue with the IWE ( Integrated Wheel End ) solenoid. There is a TSB where the IWE solenoid can ingest water, which will cause the front axle to lock into place.

http://my.voyager.net/~sscully/file_tsb06_08_15.pdf

I am going to take an assumption that this is an extension ( even though the opposite problem ) with the 1st revision of the IWE solenoid without the splash plate.

Take a read of the TSB, and check the IWE solenoid both dry and wet to see if it is not operating the vacuum valve ( turning off vacuum to the hubs to allow the spring to close the IWE ).

The only other thing I can see is an issue with the lube in the IWE spring holding up when it is wet. That is a bigger SWAG than the above statements, but not completely unfounded.

Nov 03, 2010 | 2005 Ford F-150

1 Answer

04 f150 driver side hub wont unlock passenger side is unlock no vac leaks new vac switch driver side hub and intergrated wheel hub


When you say no vacuum leaks, is this specific to the driver's side IWE ( Integrated Wheel End ) ?

Did you hook up the vent and vacuum line correctly ( not backwards ) ? - Use the passenger's side as a reference.

If you jack up the truck ( engine off ) and use a might vac ( or similar vacuum pump ) on the IWE directly, will it pull the IWE gear out ? This should do the trick, as long as the new IWE gear was installed correctly.

If not, I would check the driver's side IWE install against the service manual, to make sure it was installed correctly.

Oct 29, 2010 | 2004 Ford F150

1 Answer

Question about a 2005 F150 when shifting into 4 wheel drive it sometimes does not go in then all of a sudden it bangs in. when i take it out of 4 wheel you can hear what sound like gears grinding untill...


I would say the IWE ( Integrated Wheel Ends ) solenoid is causing you a problem.
The 04-06 MY trucks have a TSB on the IWE solenoid, where water can be ingested into the vacuum lines to the IWEs.

http://my.voyager.net/~sscully/file_tsb06_08_15.pdf

Operationally vacuum holds the IWE ( Integrated Wheel Ends ) out, and once vac is removed the spring engages the IWE.

If you are having an issue with the vacuum being released when shifting into 4WD, this could be the lag from switch to lock in, or it could be a plugged vent line from the IWE vacuum shut off by IWE solenoid, but nowhere to vent to ).
The grinding after shifting back into 2H could be the IWE solenoid not pulling the IWE gears back out ( the grinding noise is part of the TSB ).

Could also be a problem with the IWE itself, if the same side is not shifting into locked position, and back out ( getting held up on something ?? )

This is a block diagram of the IWE vacuum system.
9ec59e3.jpg

Feb 06, 2010 | 2005 Ford F-150

1 Answer

2004 ford f150 supercrew will not engage in 4 wheel drive high or low, please help


Could be a problem with the vac lines to the IWE ( Integrated Wheel Ends ), or a problem with the IWE solenoid, or a problem with the vent from the IWE.

Start with checking the vac lines, to make sure they are not cracked.
The vac res & IWE solenoid are behind the battery. Here is a diagram of the parts in the IWE vac system
80605f9.jpg

There was a TSB for the 2004-2006 MYs with a bad design IWE solenoid, but this usually was coupled with noise in 2WD.
Start with checking the VAC lines and the vent, next would be to check the IWE solenoid.

Here is the PDF of the TSB on IWE solenoid
http://my.voyager.net/~sscully/file_tsb06_08_15.pdf

Nov 28, 2009 | 2004 Ford F150

2 Answers

My 2005 f150 4wd wont turn on when the button is turned no lights come on in the dash and it does not engage


Starting with the vac reservoir behind the battery box, working towards the IWE, check for cracks in the vac lines and that the check valves are working.

You can place a vac gauge on the IWE vac input, and check to see if it holds vac as a first step. This is the rough outline of the IWE vac components
0b2b551.jpg

Nov 21, 2009 | 2002 Ford F150 Regular Cab

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