On the other side of the coin...what would be the problem (if any) of using a synthetic moly grease all the way around? Guess I'm ignorant of all this grease stuff.
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Sounds like the front axle vent tube is clogged. Pressure built up and some released. If you want to rebuild it, go ahead as that's hard to argue. I'd do the axle vent mod to prevent pressure build up and see if the purging stops. If so, check fluid/grease levels, top off as needed and carry on until the service interval calls for a repack.
DougM
Check The Steering Arm Studs!
What you describe is typical of the studs comming loose on the bottom of the knuckle, allowing the knuckle to dance around and eventually for the steering arm to fall of and the knuckle to fall off and the tire and.......
What you describe is typical of the studs comming loose on the bottom of the knuckle, allowing the knuckle to dance around and eventually for the steering arm to fall of and the knuckle to fall off and the tire and.......
Pull that side down as you would a regular axle service and go through it.
The inner seal is going to be trashed, as well as the ball wiper and the trunion bearings. It needs to be pulled clear down and re-done.
Guys here who have never done one before do them all the time. Studs are serviced.
Do it yourself and learn that axle. The knowledge will come in handy later.
Wait a minute.
He said his sons 93 blew.
You need to supervise your son being the grease monkey.
I did my 96 and found it very rewarding. (30k miles ago no problems)
Gather the usual threads and print them out.
https://forum.ih8mud.com/showthread.php?t=78276 (notice #22)
and
http://www.safari4x4.com.au/80scool/tech/birfield_repack/repack.html
(notice Tricky little studs)
FSM is great for the torque specs
Plan a weekend with your son and have fun telling him what to do.
He will be very greasy so your clean hands can read ahead and keep him going.