It is at least good news that your ring and pinion **appear** to be ok. An
NOS set runs about $75.00. I believe that you should resign yourself to the
dirty, thankless job of a teardown. Start with the knuckles ('cause I think
you have to anyways) and hopefully thats it. YUes it *could* be the pinion
bearings or similar.
Before you start more tear down... I suppose there is another possibility
here... your transfer case could be faulty. Try putting transfer case in
neutral and try to simulate symptoms as below. Then try popping off the
front drive shaft, see if you exhibit the same symptoms as described below.
In a sad kind of way, I hope you do, cause the transfer is a bigger job. You
arent having any problems with the rear axle are you?
Good luck to you, I am sympathetic to your cause. On the brighter side, the
season is basically over, the vendors arent out doing shows, and if you are
lucky, you have a heater in the garage!
Bob K.
-----Original Message-----
From: John Bowen [mailto:oreuc@hotmail.com]
Sent: Thursday, November 02, 2000 8:47 PM
To: mil-veh@mil-veh.org
Subject: [MV] VISIT TO GREAT PUMPKIN, AKA MB AXLE WOES
With the front axle of my MB securely up on jackstands I cracked open the
front pumpkin fearful of what metallic shrapnel I would find inside. I was
greatly relieved to find nothing obviously out of place but I am still at a
loss to determine what is going on.
With the driver side tire immobile, the passenger side wheel can be rotated
rearward all day long. Conversely, with the passenger immobile the driver
side can be rotated forward with no problem. Either side will jam if
rotation is attempted opposite from what is described above.
Attempted simultaneous rotation forward of both wheels by hand causes the
differential to jam. This jamming on either side can be overcome by rocking
the respective wheel forward and back about a tooth at at time on the pinion
gears relative to the axle shaft gears.
Since there is nothing visibly out of order in the differential (and given
that this axle rolled free until Halloween night) I am back to considering
whether something has gone south in one of the axle knuckle joints. Would
this seem a reasonable assumption or is there anything else to consider in
the diff such as pinion and axle shaft gear thrust washer wear??
J. D.
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This archive was generated by hypermail 2b29 : Sun Dec 03 2000 - 20:29:47 PST