Question about 2005 Ford F-150

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Looking for vacuum diagram for 2005 f150 front hubs

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6ya6ya
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Posted on Jan 02, 2017

germcelchar
  • 389 Answers

SOURCE: 2005 ford f150 4x4

Is your tyre's all the same size. Incorrect tyre's will change the racio from back to front and both driveshaft's are'nt turning at the same speed then it will grind. When trying to take it out of 4WD their will be preasure on the driveshaft's and this will leave if hard to disengage. Put it in 4WD drive it forward try the gearshift if it's hard to move then reverce a bit and try again it should come out easily. For all 4WD systems it is recumended thet the vehicle is reversed a few mitre's tto fully disengage the 4WD

Posted on Oct 07, 2009

  • 74 Answers

SOURCE: how does a 1995 ford f150 auto locking hubs work

they have elecric motors to press in the splines if there is a short or a blown fuse no power to hubs thus no locking check the fuses and make sure power is getting to the hubs

Posted on Mar 15, 2010

sscullys
  • 984 Answers

SOURCE: vacume hubs

IF this is a case that the IWEs will not disengage, it could be the IWE solenoid or the vacuum lines to the IWEs. Could also be a problem with the vent lines from the IWE ( the other vacuum line that runs up into the engine compartment, and just hangs there ).

This is the block diagram of the vacuum lines for the IWE ( not actual routing ). You can use a vacuum pump / gauge to see if the lines will hold vacuum. Don't be surprised if the vacuum lines test OK, there is a TSB on the IWE solenoid where it could ingest water, and allow water in the lines, which will not keep the IWE gears disengaged.

Block diagram of the IWE system
b893440.jpg

TSB on the IWE solenoid ( right click save as )
http://my.voyager.net/~sscully/file_tsb06_08_15.pdf


Posted on May 31, 2010

sscullys
  • 984 Answers

SOURCE: my 2004 f150 does not

The IWE is operated by a common vacuum system. When you say does not work, not sure what you are getting at ( only 1 wheel locks into place, or neither ).

Could be you had the vent and vacuum lines reversed, and this did not keep the IWE gear pulled out and it rounded off on the one you did not replace.

Is the issue the front axle does not lock in, or does the drive shaft not lock in at the transfer case ?

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.

When you get to this point, post back a comment to this problem with the info.

Posted on Nov 13, 2010

sscullys
  • 984 Answers

SOURCE: 2005 f150 front hubs noisey goes away when put in

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 ).

Posted on Dec 13, 2010

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1 Answer

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

2002 ford f150 four wheel drive front hubs not going into fourwheel drive


Is the system ESOF ( Electronic Shift On the Fly ) or MSOF ( Mechanical Shift On the Fly ) ?

If you have already tested to find the front drive shaft locks into place, and the front axle is the cause, looks to the front vacuum disconnect shift motor.
Item #10 in the parts diagram below :
sscullys_1.gif

Close up of it ( this is a picture from another person's bracket that broke ) :
sscullys_51.jpg

Chances are the vacuum lines to the vacuum disconnect motor are cracked, the vacuum solenoids are not working correctly, or the vacuum to the solenoids is having an issue ( the reservoir ) :
Vacuum diagram for the shift motor
sscullys_52.jpg

The pink line is vacuum for 2WD operation ( unlocks the axle ) the light blue vacuum line is for 4WD operation ( locks the axle ).

You can test right at the vacuum disconnect motor with a vacuum gauge with the motor running. Unplug the shift motor, and check for vacuum right at the motor.

Could be the shift motor has a damaged diaphragm and not holding vacuum or has water in it ( saw that 1 time ).

Start with checking for vacuum. Also check the fuses for the vacuum solenoids, the power is always at the solenoid, ground is switched on and off by the GEM ( Generic Electronics Module ) to operate them

Dec 17, 2010 | 2002 Ford F150 Regular Cab

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

2 Answers

2004 stx f150 right front wheel grinding noise,


I agree with duane_wong on this one ( not like he was looking for my approval :) ), it sounds like a problem with the IWE ( Integrated Wheel End ) on that side.
Quick test, when you are in 4H ( or 4L ) does the noise still happen ?
I would say cracked vacuum line to the IWE, or a problem with the vacuum diaphragm in the IWE. You can test by having the motor running in park, and in 2H, and check the vacuum line at the IWE for vacuum. Make sure you test to the vacuum line, not the vent line ( ends in the engine compartment, not hooked to anything )

This is a block diagram of the IWE vacuum system
1d377c5.jpg

Jul 05, 2010 | 2004 Ford F150

2 Answers

Vacume hubs i am looking for the air leak need vacume diagram for a 05 f150 supercrew


IF this is a case that the IWEs will not disengage, it could be the IWE solenoid or the vacuum lines to the IWEs. Could also be a problem with the vent lines from the IWE ( the other vacuum line that runs up into the engine compartment, and just hangs there ).

This is the block diagram of the vacuum lines for the IWE ( not actual routing ). You can use a vacuum pump / gauge to see if the lines will hold vacuum. Don't be surprised if the vacuum lines test OK, there is a TSB on the IWE solenoid where it could ingest water, and allow water in the lines, which will not keep the IWE gears disengaged.

Block diagram of the IWE system
b893440.jpg

TSB on the IWE solenoid ( right click save as )
http://my.voyager.net/~sscully/file_tsb06_08_15.pdf


May 30, 2010 | 2005 Ford F-150

1 Answer

F150, 4x4, 2005, Replace front wheel brgs.


there are no trick to this, they bolt right up, no press needed, the only tool is a snap ring pliers or just use a couple of picks,heres a diagram of the bearing, also if this truck has vacuum operated 4wd,take caution to remove the three bolts holding diapharm on rear of hub, also dissconect abs sensor,new bearing should come with new sensor,here are a couple of pictures to help.if you have 4wd with vacuum operation check the diaphram whil doing hub baering just hook vac pump to connection then apply vacuum and it will move in and should hold, if 4wd works fine then dont worry about that then, hope this helps,ddc32b1.gif8773598.gif5513d51.gif

Mar 26, 2010 | 2005 Ford F-150

1 Answer

My 97 ford f150 4 wheel drive whont lock in to 4high fuses are good but no fire 2 dash swich can any one help?


There are issues with the 4x4 system I.w.e ends ingesting moisture/water into vacuum actuation system causing no 4x4 or ratcheting outboard I.w.e ends. (Even if you don't go 4x4'n ) pull off vacuum hoses @ I.w.e ends and check for moisture/water/rust also the I.w.e is not part of the wheel bearing itself It is the part on the axle side (inboard) of the spindle. (EVEN DEALERS CAT LISTED WRONG)Many shops just replace the wheel bearing side this may fix the symptom but not the true cause of damaged I.w.e. ! Check with a reputable dealer they should have info on this condition and repair procedure.


The integrated wheel end (IWE) system contains the following:

Vacuum reservoir
IWE solenoid
IWEs (spring loaded vacuum hubs)
Vacuum hoses
Check valve
The IWE system uses vacuum hubs that engage the front wheel hubs to the front half shafts or disengage the front wheel hubs from the front half shafts.

The IWE solenoid receives engine vacuum from the vacuum reservoir.

When the 4-wheel drive system is in 2WD mode, the 4x4 module (PCM)supplies a ground path to the IWE solenoid to apply vacuum to the integrated wheel ends (disengaging the front hubs from the front half-shafts). In 4WD mode, the 4x4 module (PCM) does not supply the ground path to the IWE solenoid, vacuum is not applied to the integrated wheel ends and an internal spring keeps the front hubs engaged to the front half-shafts.

Good luck and check the vacuum line, start with the simple. Keep me posted, be glad to get your 4wd working again.

Jan 26, 2010 | 1997 Ford F150 Regular Cab

1 Answer

05 f150 4wd will not always engage


There are issues with the 4x4 system I.w.e ends ingesting moisture/water into vacuum actuation system causing no 4x4 or ratcheting outboard I.w.e ends. (Even if you don't go 4x4'n ) pull off vacuum hoses @ I.w.e ends and check for moisture/water/rust also the I.w.e is not part of the wheel bearing itself It is the part on the axle side (inboard) of the spindle. (EVEN DEALERS CAT LISTED WRONG)Many shops just replace the wheel bearing side this may fix the symptom but not the true cause of damaged I.w.e. ! Check with a reputable dealer they should have info on this condition and repair procedure.


The integrated wheel end (IWE) system contains the following:

Vacuum reservoir
IWE solenoid
IWEs (spring loaded vacuum hubs)
Vacuum hoses
Check valve
The IWE system uses vacuum hubs that engage the front wheel hubs to the front half shafts or disengage the front wheel hubs from the front half shafts.

The IWE solenoid receives engine vacuum from the vacuum reservoir.

When the 4-wheel drive system is in 2WD mode, the 4x4 module (PCM)supplies a ground path to the IWE solenoid to apply vacuum to the integrated wheel ends (disengaging the front hubs from the front half-shafts). In 4WD mode, the 4x4 module (PCM) does not supply the ground path to the IWE solenoid, vacuum is not applied to the integrated wheel ends and an internal spring keeps the front hubs engaged to the front half-shafts.

Jan 24, 2010 | 2005 Ford F-150

1 Answer

I have a 2004 f150 when i put it into 4x4 it has a ratcheting noise is it my hub


There are issues with the 4x4 system I.w.e ends ingesting moisture/water into vacuum actuation system causing no 4x4 or ratcheting outboard I.w.e ends. (Even if you don't go 4x4'n ) pull off vacuum hoses @ I.w.e ends and check for moisture/water/rust also the I.w.e is not part of the wheel bearing itself It is the part on the axle side (inboard) of the spindle. (EVEN DEALERS CAT LISTED WRONG)Many shops just replace the wheel bearing side this may fix the symptom but not the true cause of damaged I.w.e. ! Check with a reputable dealer they should have info on this condition and repair procedure.


The integrated wheel end (IWE) system contains the following:

Vacuum reservoir
IWE solenoid
IWEs (spring loaded vacuum hubs)
Vacuum hoses
Check valve
The IWE system uses vacuum hubs that engage the front wheel hubs to the front half shafts or disengage the front wheel hubs from the front half shafts.

The IWE solenoid receives engine vacuum from the vacuum reservoir.

When the 4-wheel drive system is in 2WD mode, the 4x4 module (PCM)supplies a ground path to the IWE solenoid to apply vacuum to the integrated wheel ends (disengaging the front hubs from the front half-shafts). In 4WD mode, the 4x4 module (PCM) does not supply the ground path to the IWE solenoid, vacuum is not applied to the integrated wheel ends and an internal spring keeps the front hubs engaged to the front half-shafts.

Good luck and check the vacuum line, start with the simple. Keep me posted, be glad to get your 4wd working again and rate please.

Jan 12, 2010 | 2004 Ford F150

1 Answer

So how do u fix the rattaling in front hub


You replace the hub lock that's causing the problem. Also replace the vacuum control valve located next to the battery. What happens is water gets into the vacuum lines through the valve and ends up in the hub locks. They get rusted up and stop working. You might need a wheel bearing also, depending on the amount of water in the hub lock.

Aug 28, 2009 | 2004 Ford F150

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