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 Post subject: "Third Member"
PostPosted: Thu Aug 12, 2021 2:47 pm 
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Joined: Sun Jan 15, 2006 1:18 pm
Posts: 11575
Location: Brooklyn, NY
I was recently asked:
Forgive my non-technical knowledge, but is the h233b the third member itself (rear diff)?

Let me preface this by stating once again that I am not a mechanic or/and engineer. I take my 2001 Xterra off-road and work on it now and then.

My limited understanding is that the “3rd member” in my truck (also called a “drop out carrier” or “removable carrier”) is the carrier that holds the ring/pinion, side bearings, and differential assembly (in my case the locker). It is removable from the axle housing; as such it is a part or “3rd member” of my h233b (housing and axles being 1st and 2nd, I’m not sure what is what).

My 3rd member:

My h233b with the 3rd member out:

In comparison, this is my D44 where the carrier is part of the axle housing:


Hope this helps someone…


"...burning commentary of bullshit masquerading as insight."

 Post subject: Re: "Third Member"
PostPosted: Wed Sep 15, 2021 2:43 pm 
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Joined: Mon Mar 31, 2008 10:54 am
Posts: 9913
Location: Brockton, MA

Welcome Aboard the Black Pearl!

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