[urq] Trans lube fill question

[urq]

... yup, that's the way it works ... the center diff will fill via the same 
port as the tranny and front diff, but there's a barrier between the tranny 
and center diff that won't allow the center diff's lube to drain from the 
tranny's port ... so there's a drain on the center diff too.  My modus 
operandi is to warm the tranny fluid up with a short drive after filling ... 
then once everything cools down again I verify that the level is appropriate 
at the trranny fill hole and top up if needed.

Good idea to drain the rear diff too.  The only caveat is the standard one 
... make sure you can break loose the fill plug before draining!  I'm also a 
big believer in draining when the fluid is hot, so my recommendation would 
be to wait until everything's back together and service the rear diff after 
warming it up.  I've got to say, I was a bit surprised to see how warm the 
rear diff can get after not that long a drive.  It has been a while now sing 
I last did it on the urq, but I remember well that the oil was hot enough to 
burn as it dripped on my hand as I removed the drain plug.

Steve B
San Jose, CA (USA)
>
> I just checked and topped off my trans from '87 5ktq - it needed a good 
> fill
> after sitting on end for awhile.  I have it filled to proper level and 
> that is
> straight-forward.  The question pertains to the diff.  I notices that 
> there is
> a separate drain plug at the bottom of the center diff. in the rear of the
> trans but no obvious fill hole.  I don't recall every seeing anything 
> about
> filling the center diff. and assume the fill is when you do the trans.  I
> found no procedure for this or capacity specs.  I just want to make sure 
> I'm
> not overlooking anything, since it would be better to address this now 
> than
> finding I've neglected something once I get the car on the road.
>
> I think I should do the rear diff now too - stock UrQ.  Any caveats?