F350 4WD not engaging. Please help!

F350 4WD not engaging. Please help!

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United States

#1 Mar 28, 2009
Has anyone had this problem before. Ford F350 Super Duty Dually four wheel drive not engaging. Don't think it's mechanical....I believe it's electrical. Any info would be appreciated.
john hilbert

Greentown, PA

#2 Mar 30, 2009
Auto locking hubs ? If so, go manual from WARN. After a few years all the older fords, bout 2001 and older, from my experiance atleast, just cant pull the hubs in to lock 'em in anymore. It will still lock the transfer case in/out. You will just need to get out and lock/unlock 'em when needed.
mastercraft x-15

United States

#3 Apr 11, 2009
B_Keightley wrote:
Has anyone had this problem before. Ford F350 Super Duty Dually four wheel drive not engaging. Don't think it's mechanical....I believe it's electrical. Any info would be appreciated.
I have an 05 f350 4x4 I had the same problem. If you have the electronic switch check the plug on the back side of the switch. Mine wasn't plugged in all the way. Good luck!

Seattle, WA

#4 Aug 9, 2009
Check your vacuum pump thats located inside engine compartment, passanger side. This pump also operates your temperature control switch and it defaults to defrost mode.

Stanton, CA

#5 Sep 6, 2009
cant get mine out of low range ,any ideas how to get it out
J Guild

United States

#6 Sep 6, 2009
My 2002 F-350 won't go into low range or back into two wheel drive. Kids turned 2wd/4wd/low switch then vehicle was driven on pavement. I checked to see If truck would shift back and forth and it did but slowly. Most driving in 2wd and when used 4wd month later. Was slow to engage and now will not dis-engage. What's broken?
J Guild

United States

#7 Sep 6, 2009
Is this an actuator problem or is there likely real transfer case damage?
95 350 super duty XLT

Fort Bragg, NC

#8 Oct 8, 2009
my truck will go into 4H but not 4L
i cant seem to get it there
i got it there the other day then it wouldnt come out
got it back out and its back to not going to 4L again

what do i do?
and my water in fuel light is constantly on. sometimes it dims down but is steadily on. this has been like this for about 6 fillups
ive run it pretty hard when its near empty and have even gone past E

Omaha, NE

#9 Dec 25, 2009
I have a 97 F350 and I get all of the lights but no four wheel drive. Checked linkage all moves. Manual hubs. Any suggestions?
charlie from RI

Smithfield, RI

#10 Jan 16, 2013
the hubs won`t lock in 4x4 high range the 4x4 light comes on but the high range light don`t.
If I go to low range both 4x4 and low range
lights come on and lock in.It is a 2006 F350 SD,
gas.Need help real bad and fast.
2000 ford

Kitwanga, Canada

#11 Jan 21, 2013
my 2000 ford f-350 super duty crew cab won't engage into 4 high and 4 low light doesn't come on

Bristol, TN

#12 Apr 5, 2013
my four wheel drive will not engage in the truck but will work when engaged at the hubs-whats up-2003 diesel f350 double dullie


#13 Apr 29, 2013
my 2007f350 superduty wont shift out of 4x4 it is electronic any advice would be appreciated

Black River Falls, WI

#14 Aug 12, 2013
im having close to the same problem truck is stuck in 4low i even read the owners manual to get it out but that didnt help either. any tricks i should know about???

Stanwood, WA

#15 Sep 12, 2013
I just purchased a similiar truck and by coincidence I had been in nuetral with my foot on the brake in the past , then one day I was in park and nothing, stuck in 4x4 low. Came to a stop near my house in nuetral and cycled the swithc and everything is working the way it should . Hope it's that simple for you also.
Michael Glynn

Denver, CO

#16 Oct 31, 2013
Just put it in Neutral if its stuck in 4x4. And the light should go off to 2x2.

Denver, CO

#17 Nov 7, 2013
Hi all,

I have 2000 7.3 F-250, in 2005 I had to put manual locking hubs as the electronics failed. Now this year checking the rig for winter I noticed that when I put the Truck in 4wd there is a horrible grinding rubbing noise that intensifies when the truck is turned. I though I had isolated it to the drivers side hub and have since replaced it. However that has not fixed the problem. I have checked the front dif, u joints and drive shaft. Any possible ideas? Axle?

Thanks Tyler

Las Vegas, NV

#18 Nov 22, 2013
I'm having the same problem with the 4 high. I've checked the vacuum lines and everything is fine. It will engage an lock in 4 low but not 4 high. The light on the dash comes on but no power to the front wheels without manually engaging the hubs. Any idea?

United States

#19 Jan 5, 2014
I have a 2000 f 350 with warn hubs that turn in and out just fine. Transfer case is working, light comes on, and the front drive line even turns while driving in gear. But no four wheel drive. What the heck?

Byron Center, MI

#20 Jan 6, 2014
2004 F350 Dash Says 4wd is on, manually locked hubs but still nothing.
Vacuum should be out of play by manually locking hubs so I need to know what to look for next.. Cannot hear transfer case turning in truck but am by myself so hard to know what is turning.

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