[TR] Diff seals TR4A

David Brister david.brister at wanadoo.fr
Tue Jul 21 04:21:11 MDT 2009


I made a jig with a iron bar, it worked perfectly so all three 100ft/lb nuts 
are
off. I took the cover off the back of the diff and inspected the gears
inside. They are all fine except for one planet wheel where there are signs
that the case hardening on two of the teeth are beginning to break up. I 
don't really want to get
into the complexities of rebuilding the diff, nor do I want to pay some
local mechanic the outrageous price he would undoubtedly demand. It seems to
me that the planet wheels only go round when the diff is active i.e. at
normal driving the planet wheels don't revolve very much. In which case
could I expect the diff to last a long time yet given only the modest miles
and gentle driving that my advanced years now permit?

In Haynes page 170 para 15.6 it says "carefully withdraw the inner axle
shaft assembly ect". I have found the bearing retainer very reluctant to
come out together with the inner axle assembly after removing the 4 nuts.
Does this just need more pulling out force?


 ATB

David B.


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