4 wheel drive problem ??

[BigDawg99]

my 2004 ford F-150 4x4 Fx4 is not engaging the 4x4...i just put on new vacuum hubs this spring which cost me a 1000 bucks cdn..and now when i turn my 4x4 on..there is this clanking noise during each revolution..seems like my 4x4 is not fully engaging...would someone know what is going on with this truck..

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[doughboysigep]

I have had the smae issue with my '04 and have tried to get it fixed (I think 3 times now) with no avail. I have found out 2 times it wasn't working the hard way (luckily I was around civilization and able to get unstuck - could have been much worse if out in the back woods). After forking out ~$400 each "fix" and still not having it work, I am getting a bit pissed. The truck is worthless w/o 4x4. This appears to be a common problem, yet Ford won't do anything about it.

[skyflyer44]

Had same the problem with my 03' F150 I found Shift fork in front axle bad, I replaced it with Kit # F75Z-3n139-KT. $180.00 just for the Kit
The plactic tangs were gone... Works great now.

Mark