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You're quite welcome for the help.

First of all, are you sure you have a GM 12 bolt, rather than a BOP 12 bolt?

If you have a BOP (Buick-Olds-Pontiac), then the dissassembly procedure is
differnt.

If you have a GM 12 bolt, then remove the rear cover.   You should note that there
is a 1" pin going through the center of the carrier (where the ring gear is
mounted).  There will be a small bolt that keeps this center pin in place.  Remove
the bolt, and slide the pin out.
Now your internal gears will be loose.  Also, the axles should now slide toward the
center of the axle housing about 1/4" or so.  Look inside the carrier at the end of
the axle.   There will be a c-clip in there that holds the axle in place.  It is
literally in the shape of a "C".  The c-clips should come out easily.  Once they
are removed, you can remove your axle.

If there are no c-clips at the ends of the axle, then you have the BOP 12 bolt.
The axles are retained to the axle housing at the outer end of the axle tube.
Remove the 4 bolts that mount the brake backing plate to the axle housing, and pull
out the axle.

Hope that helps!

Michael Ishee wrote:

> Replies to this message are sent to The Chevelle Mailing List
> ------------------------------------------------------------
>
> Alright first of all i just want to say that i appreciate all the help yall
> are giving me on this.  I finally got the drum housing off, with a sledge
> hammer, and the drum brakes.  But i still cant figure out how to get to the
> c-clip.  Maybe i havent dont something yet but my axles dont move in any.
> Once again thanks for the help and barring with me on this project.
> Michael
>
> >From: Michael Pell <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: [EMAIL PROTECTED]
> >Subject: Re: [Chevelle-List] Rear end disassembly
> >Date: Wed, 12 Dec 2001 07:14:28 -0500
> >
> >
> >Replies to this message are sent to The Chevelle Mailing List
> >------------------------------------------------------------
> >
> >Yes, you'll have to remove the brake drums.  The drums will pull right off.
> >  The
> >brake backing plate does not have to come off, but you can take it off by
> >removing the 4 bolts that hold it to the axle housing.
> >
> >And be sure to remove the center pin in the carrier.  There will be a small
> >bolt
> >holding it in place.  The pin also holds the axles in place.  Once it's
> >removed,
> >then you can push the axles in, and you'll be able to see the c-clips on
> >the end
> >of the axles.  Use a magnet to pull them out, then the axles will pull out.
> >  Then
> >remove the main caps, and the carrier will come out.
> >
> >Be sure to note exactly how the main caps came out (which side, which was
> >the
> >top,etc), they must be put back in exactly the way they came out.  Also
> >note
> >which side the shims came out of, and which side the bearing/race came out
> >of.
> >
> >Michael Ishee wrote:
> >
> > > Replies to this message are sent to The Chevelle Mailing List
> > > ------------------------------------------------------------
> > >
> > > Ok do i need to remove the drum assembly before i do this?  How are the
> >drum
> > > housings attached to the lip of the rear end housing?  If i did get this
> > > c-clip out i dont think the axle would move.  I looked earlier and didnt
> >see
> > > the c-clip but i am goin to try again tomorrow when i have more time to
> >look
> > > at it.  Thanks for all the help.
> > > Michael
> > >
> > > >From: "396guy" <[EMAIL PROTECTED]>
> > > >Reply-To: [EMAIL PROTECTED]
> > > >To: <[EMAIL PROTECTED]>
> > > >Subject: RE: [Chevelle-List] Rear end disassembly
> > > >Date: Tue, 11 Dec 2001 23:14:09 -0600
> > > >
> > > >
> > > >Replies to this message are sent to The Chevelle Mailing List
> > > >------------------------------------------------------------
> > > >
> > > >Michael,
> > > >
> > > >I think George already answered the "how" question, but I have one.
> >3.58
> > > >gears?  I don't think Chevrolet ever had 3.58 gear, maybe a 3.55 or
> >some
> > > >aftermarket mfg.?  Check the number of teeth at
> > >
> > >http://www.bull-enterprises.com/dalesplace/team67/groups/group.005/axlecodes
> > > >.htm and it'll tell you the ratio.
> > > >
> > > >Dale McIntosh
> > > >ACES #1709/TC #92 Gold
> > > >67 SS/67 Elky
> > > >http://www.dalesplace.com
> > > >
> > > > > these be removed or is there another way to go about removing them.
> >Any
> > > > > help would be appreciated.  I am also removing 3.58 gears from
> > > > > the housing
> > > >
> > > >
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> >--
> >   Check out my webpage at http://www.ProStreetCar.com
> >   and my For Sale page at http://www.ProStreetCar.com/classifieds.html
> >   Team Chevelle membership #178 (Gold)
> >   Time Flies: "It's funny how you can watch a clock and time seems to
> >   stand still.  But turn away, and you have to measure time with a
> >   calendar rather than a clock."  mjp
> >
> >
> >
> >
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--
  Check out my webpage at http://www.ProStreetCar.com
  and my For Sale page at http://www.ProStreetCar.com/classifieds.html
  Team Chevelle membership #178 (Gold)
  Time Flies: "It's funny how you can watch a clock and time seems to
  stand still.  But turn away, and you have to measure time with a
  calendar rather than a clock."  mjp




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