why wont my four wheel drive engage, worked great last year and now nothing

dentman
40

Asked by dentman Dec 03, 2010 at 11:04 PM about the 2000 Ford F-250 Super Duty XLT 4WD Crew Cab SB

Question type: Maintenance & Repair

Got my plow on and tried my 4x4 and it doesn't engage.  What's up with it?

10 Answers

papa
Not Active

check the 4x4 fuse,switch to 4x4 could be bad,it also has a small motor on back of transfer case it could have come unpluged or gone bad.

8 out of 8 people think this is helpful.
dentman
40

if the 4x4 light comes on do you think it may still be as simple as a fuse?

2 out of 2 people think this is helpful.
papa
Not Active

yes it could be,the 4x4 fuse is usualy in fuse box under dash,some are under the hood fuse box it will say 4x4 on fuse pannell,also you may want to have the hub assem on front to be checked to see if splines are striped,if just not enguadeing,fuse or the motor mentioned in other post.ford is bad for this motor going bad.

6 out of 6 people think this is helpful.
dentman
40

Thanks a lot, I really appreciate your prompt and knowledgable answers. You are a blessing!

2 out of 2 people think this is helpful.
papa
Not Active

No problem,hope I was of some help,let me know how it turns out.

1 out of 1 people think this is helpful.
jackmanmachine
420

mine was maddening, and was a corroded conductor under the hood. Pull the codes and see if you have a shift relay code. But check your fuses and the shift relays under the hood. Its a pair that fwd/rev the polarity to the shift motor to engage/disengage the 4x4......IF your fuses are good and IF youve replaced both relays under the hood (you can temp swap w any other of the relays under the hood they are the same) then look at the drain hole under the relay housing and look for any whitish green powder around the drain hole. Its a clear indication of copper corroding.....dissassemble the housing and repair.....

7 out of 7 people think this is helpful.
lineman
100

where are the fuses located dont have any lables on fuse panel

10 out of 10 people think this is helpful.
Terri Kuesel
20

good question mine either but i do numer 17 is one of them, it is a large fuse under the hood'

2 out of 2 people think this is helpful.
Terri Kuesel
20

30 amp inch wide

kevinlod
0

my f-250 will not come out of 4x4 and it wont start

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