1999 ford f150 ,4x4 wont engage

Asked by Jan 12, 2012 at 08:47 PM

Question type: Maintenance & Repair

5 Answers

985

stick or push button 4x4

7 of 7 people found this helpful.

bad acuaitor,or motor on back of transfer case.or striped splines on front axle.

5 of 5 people found this helpful.
65

if you have the turn button 4x4 it's highly likely that you should check out the vacuum lines for the 4x4 are still connected and aren't cracked or anything, i've seen that several times.

3 of 3 people found this helpful.
205

what do the 4x4 lites do on the dash? if its esof(electronic shift on the fly, its more than likely the shift motor or the actuator and fork to engage the frt end, you will have to retrieve codes from the 4x4 module to know which one, if its msof( manual shift on the fly) its probably the actuator in the frt.

2 of 2 people found this helpful.
30

i had a problem with 4x4 not working , it was a vaccume line behind battery . got knocked loose when installing new battery,

3 of 3 people found this helpful.

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