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8 3/4 Rebuild Questions from Disassembly to Assembly
#1633610
06/14/14 05:34 PM
06/14/14 05:34 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
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OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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My carrier was completed and my axles were set up, I just have to do the final assembly to everything on the housing. Scroll down till you hit the green text again.
So ignore everything else for now as it was for taking the 8 3/4 apart. Now that I've got this all apart, what's the best way to clean the carrier for paint/powdercoating? I'd assume now would be the most opportune time to get it done before it's reassembled. Which would be better, paint or powdercoating?
So, I'm going to get my 8 3/4 built today and I'd like to strip it down as best as possible before I drop it at my buddies house (as these things are heavy) sometime within the next week or two. I've got almost all the brake stuff off besides the parking brake, lines, distribution block, and parking brake. I don't see any way the backing plates can come off unless the axles are removed. Is it fairly easy to remove the axles? I'd assume once my axles are removed, the carrier can come out by simply unbolting it from the front. Thanks for all your help.
Last edited by MuuMuu101; 07/18/14 03:34 AM.
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Re: Stripping Down an 8 3/4
[Re: stumpy]
#1633612
06/14/14 05:43 PM
06/14/14 05:43 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
|
OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
If you look through the big hole in the axle you will see it is used to get to the 5 bolts holding the axle in. Remove those bolts and pull the axles out about 4" and you can drop the pumpkin out the front. After you remove the nuts holding it on the rearend housing of course. What are you having your buddy do to it?
Great. I'll go check it out right now.
He'll be installing new bearings and seals, big bolt pattern axles, and swapping out my gears in the 489 case from an open 2.76 to a 3.55 with a Truetrac diff. I met him on FABO, he's been building differentials and transmissions for about 30 years now.
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Re: Stripping Down an 8 3/4
[Re: stumpy]
#1633615
06/14/14 06:21 PM
06/14/14 06:21 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
|
OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
HUH!. You got a picture? Can you pry it off?
I'll try prying it off...
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Re: Stripping Down an 8 3/4
[Re: feets]
#1633620
06/14/14 06:41 PM
06/14/14 06:41 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
|
OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
Quote:
It has not been apart before.
Bingo!
I just pulled them off the Imperial.
Don't let the guy install "green" bearings. Stick with factory style bearings and be sure the end play is set properly.
I figured it hasn't been taken apart, the guy before me said his friend got it out of a slant six Dart at the pick-a-part. I'm going with tapered Timken bearings.
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Re: Stripping Down an 8 3/4
[Re: Squirrel_Cat]
#1633621
06/14/14 06:49 PM
06/14/14 06:49 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
|
OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
|
Quote:
Quote:
Quote:
HUH!. You got a picture? Can you pry it off?
I'll try prying it off...
Get behind it with a screwdriver on it so you can get some pliers on it. Twist it and break it off.
Did it and it tore right off, axle slid right out. 
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Re: Stripping Down an 8 3/4
[Re: MuuMuu101]
#1633623
06/14/14 07:38 PM
06/14/14 07:38 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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secure the housing in position with the 3rd member point straight up at the sky. Have 2 helpers wedge 2 thick screwdrivers in & opposite each other & tell em to be carefull & not gouge the gasket area. You pull the pig straight up as they carefully pry it up evenly till it's loose. EDIT measure how far in the axle seals are on the housing ends & if the backing plates are off & you're down to a bare housing use an axle to pry the seals out. That thin washer in the pic was installed on the assy line to guarantee the axles stayed in place till the next guy on down the line buzzed on the 5 nuts. Likely it has never been apart as most people toss em when they take it apart for the first time but it could have been reintstalled. MORE EDIT This was an A body 8&3/4 behind a /6 
Last edited by RapidRobert; 06/14/14 07:50 PM.
live every 24 hour block of time like it's your last day on earth
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Re: Stripping Down an 8 3/4
[Re: RapidRobert]
#1633624
06/14/14 07:44 PM
06/14/14 07:44 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
|
OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
|
Quote:
secure the housing in position with the 3rd member point straight up at the sky. Have 2 helpers wedge 2 thick screwdrivers in & opposite each other & tell em to be carefull & not gouge the gasket area. You pull the pig straight up as they carefully pry it up evenly till it's loose. EDIT measure how far in the axle seals are on the housing ends & if the backing plates are off & you're down to a bare housing use an axle to pry the seals out
Darn... I don't have 2 helpers as of now. I'm not sure I am following your EDIT.
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Re: Stripping Down an 8 3/4
[Re: MuuMuu101]
#1633625
06/14/14 07:55 PM
06/14/14 07:55 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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If you use a tape measure to measure how far in the seals are from the flange face that will make it easier when you drive in the new ones to get em to the same depth. Using the splined end of an axle works real good to pry out the old seals. get the splined end JUST past the seal ID enough to get a good grip on the seal & lever it out & it'll come right out. You could pull the pig by yourself with it on its side if need be but just be carefull to burr the threads as little as possible. EDIT the trick is to keep it comeing out evenly, use the 2 large screwdrivers then tire spoons/pry bars after its out aways
Last edited by RapidRobert; 06/14/14 08:07 PM.
live every 24 hour block of time like it's your last day on earth
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Re: Stripping Down an 8 3/4
[Re: RapidRobert]
#1633626
06/14/14 08:14 PM
06/14/14 08:14 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
|
OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
|
I already pulled the axles from the housing.  Another note, how do I dispose of this gear oil? I've got most of it sitting in a pan. And how do I remove the distribution block?
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Re: Stripping Down an 8 3/4
[Re: MuuMuu101]
#1633627
06/14/14 08:29 PM
06/14/14 08:29 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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(1) O'reillys (2) the brake line T ?, look on it & you'll see the hex & unscrew it CCW
live every 24 hour block of time like it's your last day on earth
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