# 1983 GMC 3500 rear axle walked out of housing

**URL:** <https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142>\
**Category:** Maintenance/Repairs\
**Tags:** gmc, 3500\
**Created:** [July 11, 2020, 1:40pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142 "2020-07-11T13:40:49Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\
**Post date:** [July 13, 2020, 3:35am UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/21 "2020-07-13T03:35:39Z")

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You can’t just put a dually rear end on this single-rear wheel step van

it’ll be hard and/or impossible to properly mount tires and rims on the rear . . not without some changes

srw and drw rear ends have completely different brake setups, to name just one difference

And we have lots of 3500 srw . . . single rear wheel . . . vehicles in our fleet with a full floater rear end

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [July 13, 2020, 12:38pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/22 "2020-07-13T12:38:03Z")

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I thought the vehicle subject was a 3500 pickup . I also thought the shop that wanted to put a dual set on knew what they were doing. I guess not .

Now maybe the OP will just find a shop to do a proper repair and not mess with friends and trade items.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 13, 2020, 12:40pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/23 "2020-07-13T12:40:21Z")

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Yes that seems like a good idea. Thanks for everyones help.  
I am learning more everyday.

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**Author:** ![Bugmenot](https://avatars.discourse-cdn.com/v4/letter/b/7c8e57/32.png) [@Bugmenot](https://community.cartalk.com/u/Bugmenot)\
**Post date:** [July 13, 2020, 5:09pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/24 "2020-07-13T17:09:08Z")

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Would you still be willing to post a picture? The suspense is killing me (well…maybe not really, but my curiosity is certainly piqued) as to what exactly happened to this axle/hub.

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**Author:** ![eddo](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/eddo/32/2594_2.png) [@eddo](https://community.cartalk.com/u/eddo)\
**Post date:** [July 13, 2020, 5:47pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/25 "2020-07-13T17:47:33Z")

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@DavidAllen47:  
I’m not sure many here can vouch for the value of your Sinclair pump, or if it is a fair trade for the work you want done. If you and your friend agree that the trade is fair, then have at it. If not- then that is for you and your friend to figure out before the job is started. Your replies in here make it seem like you seem to think your friend isn’t thinking the trade is fair. Is it worth your friendship to push this trade to continue? That’s for you to answer.

perhaps get an estimate on the repairs and get your pump appraised by a collector? then you all can determine if it is a fair trade.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 13, 2020, 6:20pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/26 "2020-07-13T18:20:25Z")

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I look at what pumps are selling for.$2500 is a good figure for this unrestored.  
I think 1500 would be a bargain for the buyer because half the value is in the original globe.  
So I will split the difference and accept $2000 cash .  
Located near Tampa Florida.  
I will post pictures soon of pump and rear axle problem.  
Also Have an old oil rack from an old service station will sell too 500 or 250 if you buy the pump too.  
Will post pictures soon.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 13, 2020, 6:22pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/27 "2020-07-13T18:22:47Z")

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If the pump was not part of my family history maybe I would care less.  
But this is like letting a part of me go.

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [July 13, 2020, 6:24pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/28 "2020-07-13T18:24:15Z")

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David , I don’t think selling items are allowed here . You might want to check with @cdaquila our esteemed Moderator.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 13, 2020, 6:44pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/29 "2020-07-13T18:44:35Z")

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Thank you for your response.

I will quit mentioning prices.

I did not know.

No harm ment.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 13, 2020, 6:45pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/30 "2020-07-13T18:45:30Z")

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Nobody wants this old stuff anyway

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 13, 2020, 6:48pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/31 "2020-07-13T18:48:11Z")

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Just looked up the globe aloneOMG it went for crazy price in Scottsdale AZ Barrett Jackson $1725 just the globe

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**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\
**Post date:** [July 14, 2020, 2:33am UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/32 "2020-07-14T02:33:02Z")

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> [@DavidAllen47](#):
>
> Nobody wants this old stuff anyway

That’s not quite true

There’s definitely a small market of hard-core guys that are into this stuff

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**Author:** ![It\_s-Me](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/it_s-me/32/12660_2.png) [@It\_s-Me](https://community.cartalk.com/u/It_s-Me)\
**Post date:** [July 14, 2020, 4:42am UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/33 "2020-07-14T04:42:42Z")

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> [@Mustangman](#):
>
> I am pretty sure this isn’t a C clip axle. It sound slike it is a semi floating rear that is retained by the axle bearing which is pressed in.

Looks C clip to me

 ![Capture](https://global.discourse-cdn.com/cartalk/original/3X/e/8/e881f0f95f21dce3d45054871e96f6ddc9dad008.jpeg)

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<div class="post-metadata">

**Author:** ![Bugmenot](https://avatars.discourse-cdn.com/v4/letter/b/7c8e57/32.png) [@Bugmenot](https://community.cartalk.com/u/Bugmenot)\
**Post date:** [July 14, 2020, 6:11am UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/34 "2020-07-14T06:11:31Z")

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Richmond shows that axle pictured above listed for the GM 10.5" 14-bolt axle ([see here](https://www.richmondgear.com/auto-parts-product/2914-axle-92-25188/?crt_viaSearch=path%3Apart%253Aaxle-shaft-assembly%3Bposition%3Arear-right%3Bdifferentialcasedesign%3A_ANY_%3Byear%3A1983%3Bmake%3Agmc%3Bmodelandsubmodel%3Ap3500%3Benginesize%3A_ANY_)), which is what the P3500 should have (as far as I can find). However, the 10.5" 14-bolt is a full-floating axle. The 9.5" 14-bolt is semi-floating. I think Richmond’s catalog is incorrect.

The OP already implied that this is a full-floating axle (axle shaft bolted to hub w/ 8 bolts). A picture would clarify.

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<div class="post-metadata">

**Author:** ![Rod-Knox](https://avatars.discourse-cdn.com/v4/letter/r/a183cd/32.png) [@Rod-Knox](https://community.cartalk.com/u/Rod-Knox)\
**Post date:** [July 14, 2020, 11:42am UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/35 "2020-07-14T11:42:48Z")

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If the axle walked out of the rear end and the wheel/tire remained under the fender it seems kinda certain that it’s a full floating rear end.

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [July 14, 2020, 1:06pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/36 "2020-07-14T13:06:21Z")

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I saw that on Rockauto. Yes it is a C-clip. I saw it alongside full-floater axles for the same vehicle. The listing may be wrong or there may have been 3500’s built each way depending on how they were ordered.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 14, 2020, 2:28pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/37 "2020-07-14T14:28:03Z")

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You guys are so good to me.  
Thank you for all of your input.  
It is pouring rain today but I will take pictures soon.

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 14, 2020, 2:29pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/38 "2020-07-14T14:29:21Z")

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It is so weird the way it walked out

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<div class="post-metadata">

**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 14, 2020, 2:33pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/39 "2020-07-14T14:33:57Z")

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Just leaving work and it seemed like i was in neutral.

Looked in mirror and said wtf

Axle wheel and tire out 2 feet.

Heard whirring noise a few days thought it was alternator

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**Author:** ![DavidAllen47](https://avatars.discourse-cdn.com/v4/letter/d/71c47a/32.png) [@DavidAllen47](https://community.cartalk.com/u/DavidAllen47)\
**Post date:** [July 14, 2020, 2:35pm UTC](https://community.cartalk.com/t/1983-gmc-3500-rear-axle-walked-out-of-housing/167142/40 "2020-07-14T14:35:35Z")

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Please keep helping me.  
Thank you everyone

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