Its a fairly simple job. Probably the hardest thing I found was undoing the
brake calliper bolts, but once this is done its fairly straight forward.
You will need new seals and good quality wheel bearing grease. Be careful
undoing the three Phillips head countersunk screws, they are usually tight
and prone to head damage. I always have spares on hand in case of problems.
Also be careful tightening the eight hex headed bolts - they are prone to
breaking if overtighted. Be careful with the gasket - here in Aust they are
not available as a spare part. Watch the orientation of the large round
spring on the hub mechanism. For some more information see the information
in the Tech Talk pages at www.jackaroo4wdclub.com.au as the details there
also apply to later models.
Webmaster, Jackaroo 4WD Club of Australia.
John, just did it on Christmas eve. Much easier than expected.
There are no detailed instructions, the only manual is the Chilton US one
which is crap
NOTE; clean everything, ensure all parts go back the way they came off
Remove brake calliper and tie up to prevent brake hose damage
Remove bolts on locking hub, and pull off outer casing
Remove circlip and pull away locking assembly (noting position)
Remove 3 tiny countersunk screws from locking washer
Unscrew locking washer screw (with care you can put a couple of bolts in the
holes to get some leverage, should come off easily)
The entire disk rotor bearings and all should now slide off
VERY carefully tap out the old bearings
Grind old bearings outer edges and use as drift to GENTLY tap in new bearing
Pack all with LM grease
Reassemble, noting below.
NOTE lock nut should be tightened gently and slightly backed off. There MUST
be a small amount of play in the bearings to allow for heat related
expansion. Without this the bearings will self destruct in no time at all.
Keep doing this until it is right and insert the 3 countersunk lock screws.
There are endplay shims under the circlip that may need changing. You should
be able to get the circlip on and feel no end play when push / pulling the
drive shaft. If there is play or you can't get the circlip on change the
shims for the correct size
Latex gloves are a good idea you will get covered in grease
Take your time, after you have you'll want to do it all the time!
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