Question about 1998 Ford Expedition

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I need a diagram of vacuum lines for a 98 ford exspodition 2wd 5.4 lt

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1978 ford vacuum diagram

if you have not recieved the info you need, send me an email address to eric.fleming@deacon.com i will send you a copy of the mitchell manual spec. i would need to know engine size, axle etc. or if you have the calibration number.

Posted on Mar 07, 2009

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michigan man
  • 3533 Answers

SOURCE: 2001 ford taurus . i need the vacuum diagram so i

you can try your local library for a diagram and pictures showing you how you can also try this website: autozone.com

Posted on Mar 08, 2009

canbruce75
  • 1776 Answers

SOURCE: I need a diagram for where the vacuum hoses go to

Check out the autozone.com website and register the truck there. It doesn't cost anything and will give you access to an online repair manual for the truck. The vacuum diagrams should be available there. Hope this helped and best wishes.

Posted on Aug 30, 2009

  • 172 Answers

SOURCE: ford taurus v6 duratec vacuum hose diagram

under the hood is a vacum diagram

Posted on Apr 16, 2010

johnjohn2
  • 5763 Answers

SOURCE: need a vacuum diagram 1998 ford explorer v8 2wd

heres a vacuum diagram for a 1998 ford explorer with the v-8 engine, hope this helps,0bf912a.gif

Posted on May 11, 2010

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2 Answers

I need a vacuum line diagram for a 1987 4.9 f150


I FOUND THIS FOR A 1986 IT SHOULD BE THE SAME THEY ARE IN THE CHILTONS BOOK BUT IF YOU CAN'T GET IT YOU MAY ABLE TO AT THE LIBRARY TO COPY ALL 4.9 DIAGRAMS WILL BE THE SAME VAN / PICK-UP SO ANOTHER MODEL FORD BOOK WILL HELP YOU BUT I ACTUALLY DO HAVE ONE BUT ITS 150 MILES FROM ME IN STORAGE IN ANOTHER STATE GOOD LUCK
need-vacuum-line-diagram-1987-4-9-f150-d4f0h1u4upiiypmoxa2uckd5-4-0.jpg

Feb 19, 2015 | 1987 Ford F 150

2 Answers

1986 FORD RANGER 2.9L 4WD VACUUM LINE DIAGRAM


I had the same need on an 87 firebird what I did was go to the junk yard find the same truck with same engine and trace the lines make my own diagram, and in my case buy the hard plastic formed vacuum lines that were broken. hope that helps

Aug 25, 2014 | 1986 Ford Ranger 2WD

1 Answer

Vacuum line diagram for 98 4 X 4 Ford Expedition


Look on the VECI label (Vehicle Emissions Control Information) under the hood, likely on the radiator support. The vacuum diagram should be shown there.

Aug 05, 2014 | 1998 Ford Expedition

2 Answers

Got. A 2003 f150 4x4 got problems with 4 wheel drive locking in and stay in drive shaft turning front wheels not


Operationally vacuum shifts the front axle between 2WD and 4WD mode. The GEM ( Generic Electronics Module ) applies ground to the solenoid needed for the mode selected on the switch ( for ESOF ) or when the transfer case shift lever is moved ( MSOF ).The contact plates in the transfer case signal the GEM that the transfer case is engaged, and the Vacuum solenoids need to be activated ( either 2WD to 4WD or 4WD to 2WD ).

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 ( this is what you seem to have, the transfer case is engaged and will drive the front shaft mine was a key on engine off test ).

- If the front drive shaft does not turn :
•With the truck running ( with front wheel back on the ground ), switch from 2WD to 4WD and back again, the vacuum shift motor should move the lever on the front axle.
sscullys_185.jpg
-- If the vacuum shift motor does not move:
1.Check for vacuum on the lines while shifting between modes. Pink vacuum line is 2WD mode, Light Blue vacuum line is 4WD.
2.Check the fuses for the 4WD system and the solenoids.
3.Check the vacuum lines from the vacuum shift motor to the solenoids on the firewall.
sscullys_187.jpg
4.Check the vacuum lines from the solenoids to the vacuum reservoir box behind the battery.
5.Check the vacuum reservoir box for cracks.
6.Typical solution is the vacuum lines ( to the solenoids or to the vacuum shift motor ) are cracked or the vacuum shift motor has a cracked diaphragm and has water in it.
7.Could be the shift plate contacts in the transfer case are corroded / not making good contact, and not activating the solenoids.
sscullys_186.jpg

Usually the case is cracked vacuum lines from the solenoids, the next common is a cracked vacuum reservoir box, and 1 time I have seen the mount for the vacuum disconnect motor broken ( motor floating free so it could not push against the axle )
sscullys_188.jpg

Aug 28, 2011 | 2003 Ford F150 Regular Cab

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

1988 ford F150 vacuum hoses


Always refer first to the factory vacuum diagram sticker affixed under the hood...

1988 Ford Truck F150 1/2 ton P/U 2WD 4.9L FI 6cyl

674afb5.jpg

Fig. : Vacuum diagram-1987 F-Series, all engines


Hope this solve it (remember comment and rated this).

Apr 23, 2010 | 1988 Ford F 150

2 Answers

I need a diagram for where the vacuum hoses go to on a 1988 Ford ranger 2wd 2.0 carb. the diagram on the truck is no help. And the hoses are no longer there


Check out the autozone.com website and register the truck there. It doesn't cost anything and will give you access to an online repair manual for the truck. The vacuum diagrams should be available there. Hope this helped and best wishes.

Aug 30, 2009 | 1988 Ford Ranger

1 Answer

1987 Ford Ranger 2.0 Liter Vacuum Line Diagram


can you see the diagram under the hood? if not try searching a junkyard for either the diagram or a complete motor

Mar 23, 2009 | 1986 Ford Ranger 2WD

1 Answer

I NEED A VACUUM INE DIAGRAM FOR A 1986 FORD RANGER 2.9 EFI


Make sure that your truck vaccume line goes into the intake manifold where there is a vacuume spiggot at the base of the carb. You may have iadvertantly hooked it up to the wrong place.

Feb 13, 2009 | 1986 Ford Ranger 2WD

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