RE: 5kq rear diff query

["Buchholz, Steven" <Steven.Buchholz@kla-tencor.com>]

The pressure relief valve is usually mounted to the top of the tranny/diff.
It usually extends vertically from the housing and has a black plastic dust
cover.  IMHO it isn't a valve in the classical sense of the word ... I think
I would consider it more of a vent.

I really doubt it is your problem.  The seals do wear out over time ... I've
never done the seals on a diff, but they're probably pretty similar to those
on the tranny.  It is actually pretty easy ... once you pull the half shaft
and the drive flange the seal is quite exposed.  The only one that might be
more difficult is the large seal that some diffs have ...

HTH!
Steve Buchholz
San Jose, CA (USA)

... with so many trannies and diffs lying around the garage [in and out of
cars] I'm afraid to count ... :)

> ----------
> Can someone tell me where the pressure relief
> valve on this is?  I can't find it.  I'm losing
> oil out the left side seal and I want to check
> this first.  If this ain't the culprit can someone
> point me to a good btdt on changing the seals.
> From the look of it this could be a major job.
> Who was that who had a rear diff just sitting on
> the floor?  Geez, I'm going too fast here.
> Appreciate any help.
> 
> Geo
>