4x4 light stuck on
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Junior User
Joined: Nov 2011
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4x4 light stuck on
hey i have an 05 f250 lariat with a 6.0 diesel, 103k miles, anyways i was pulling out a bush stump in 4 wheel drive (by switch and locked hubs), when i went to switch the selector switch to 2wheel, the light stayed on. Now when i need 4wd i just lock the hubs and it engages, the selector switch doesnt do anything ( i can hear something under the truck like its trying to engage) any ideas?
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Junior User
Joined: Nov 2011
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i believe ive tried that method, lol i think i tried every option.. (except the correct one!!!) lol
Postmaster
Joined: Jan 2005
Posts: 4,424
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From: BC Canada
Try unlocking your hubs to auto, switching back and forth from 2 hi to 4 hi and back. With the system unloaded, any tension can cause the shift motor on the t-spaces to jam. The other thing to try is in neutral, go all the way to 4low, then 4 Hi, the 2 hi. You have to play with it a bit, it's like trying to shift the t case, if there is preload on the gears they don't easily release. If this doesn't work I wonder if your shift solenoid so for the case are blown or a fuse on the case shift circuits?
Fleet Owner
Joined: Apr 2012
Posts: 27,307
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From: Spanaway
If the above does not work for you then you may ned to have a look at the shift
motor. Un-bolt it and see if you can get the motor drive tang to change positions.
Then go back to where it was so that you can reinstall it. If the motor won't
move under power then it time for a new one. If it does then you may want to
see if you can move the selector with the motor out of the way. Be gentle and
even try turning the front drive shaft by hand. Most likely it the motor and not
the transfer case. Send me a PM later today and I'll see if I can pull the PDF up
for you. The 2006 should be very close to the 2005.
Sean
motor. Un-bolt it and see if you can get the motor drive tang to change positions.
Then go back to where it was so that you can reinstall it. If the motor won't
move under power then it time for a new one. If it does then you may want to
see if you can move the selector with the motor out of the way. Be gentle and
even try turning the front drive shaft by hand. Most likely it the motor and not
the transfer case. Send me a PM later today and I'll see if I can pull the PDF up
for you. The 2006 should be very close to the 2005.
Sean
Cargo Master
Joined: Oct 2009
Posts: 2,283
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From: missouri
I think the vacuum is for the hubs only. The switch is electronic.
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Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
Bobcat is right vacuum is for the hubs and the heat and cooling controls.
I am sorry I did not get the PDF done for you I had a bad fall last night.
I'll get it done tomorrow evening.
Sean
I am sorry I did not get the PDF done for you I had a bad fall last night.
I'll get it done tomorrow evening.
Sean
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From: Springfield mo
Frankie ill go with the switch in southern Mo we have been hit with a lot of
Snow so been using the 4wd a lot and about every 3-4 times of engaging disengaging
It will stay in 4wd so far it goes out with in 5- 10 min after selecting off
I also have to select the hubs to manual my auto function has quit.
A couple of ford guys said that also could be a bad switch to vacuume on the passenger
Side wheel well ...just in case but knowing my luck....anyway
Merry Christmas all
Lee
Snow so been using the 4wd a lot and about every 3-4 times of engaging disengaging
It will stay in 4wd so far it goes out with in 5- 10 min after selecting off
I also have to select the hubs to manual my auto function has quit.
A couple of ford guys said that also could be a bad switch to vacuume on the passenger
Side wheel well ...just in case but knowing my luck....anyway
Merry Christmas all
Lee
Thread Starter
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Junior User
Joined: Nov 2011
Posts: 78
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Frankie ill go with the switch in southern Mo we have been hit with a lot of
Snow so been using the 4wd a lot and about every 3-4 times of engaging disengaging
It will stay in 4wd so far it goes out with in 5- 10 min after selecting off
I also have to select the hubs to manual my auto function has quit.
A couple of ford guys said that also could be a bad switch to vacuume on the passenger
Side wheel well ...just in case but knowing my luck....anyway
Merry Christmas all
Lee
Snow so been using the 4wd a lot and about every 3-4 times of engaging disengaging
It will stay in 4wd so far it goes out with in 5- 10 min after selecting off
I also have to select the hubs to manual my auto function has quit.
A couple of ford guys said that also could be a bad switch to vacuume on the passenger
Side wheel well ...just in case but knowing my luck....anyway
Merry Christmas all
Lee
Thread Starter
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Junior User
Joined: Nov 2011
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Yes lol was told reverse then slam on brakes- didnt work well when i did it and blew a hole in the brake line!
Posting Guru
Joined: Dec 2011
Posts: 1,247
Likes: 3
From: monroe ct
I don't know that this will be any help to you as I have manual hubs and shifter but I had a sensor in the t case go bad, that for some reason kept the 4x4 light on and wouldn't allow me to shift to 4 hi unless I was stopped of the hubs were locked. Again this is a manual set up. It it may be worth looking in to. I just got under there and started unplugging sensors until I found the one that made the light turn off.
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