# weld locking a differential.

**URL:** <https://forums.speedlife.net/t/weld-locking-a-differential/113465>\
**Category:** SON240sx Automotive\
**Created:** [February 25, 2008, 5:37pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465 "2008-02-25T17:37:50Z")\
**Posts on this page:** 17\
**Page:** 1

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**Author:** ![90sohc](https://avatars.discourse-cdn.com/v4/letter/9/47e85d/32.png) [@90sohc](https://forums.speedlife.net/u/90sohc)\
**Post date:** [February 25, 2008, 5:37pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/1 "2008-02-25T17:37:50Z")

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Hey guys i want to weld my diff up tomorrow and need to know if i have to remove the diff from the car and dissasemle it or can i drop it down and pull the pan off and weld it up right in the car. I want to do this tomorrow but dont really know how long its goona take as ive never done this before. any help would be greatly appriciated. thanks. ive been searching for two nights and cant really find any pics of it. I am a very good welder and mechanically inclide but i have never done this before so i am seeking some advice. thanks guys

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**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\
**Post date:** [February 25, 2008, 5:55pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/2 "2008-02-25T17:55:14Z")

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i dont know but i would say pull it right down im pretty sure you have to drop you subframe though so its a big undertakeing

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**Author:** ![Pants](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pants/32/5590_2.png) [@Pants](https://forums.speedlife.net/u/Pants)\
**Post date:** [February 25, 2008, 6:17pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/3 "2008-02-25T18:17:47Z")

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ok you take out the bolts holding the axels to the diff, there are 12 of them in total.

than remove the 4 nuts that are on the back of the diff.

than remove the 2 bolts underneath the diff.

and ur diff it out …

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**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\
**Post date:** [February 25, 2008, 6:19pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/4 "2008-02-25T18:19:26Z")

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then weld thanx for filling in the blanks

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**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\
**Post date:** [February 25, 2008, 6:21pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/5 "2008-02-25T18:21:03Z")

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I have heard of people doing it while in the car, for the time it takes to pull it i would rather do it that way as there is a fuel tank RIGHT behind it lol.

make sure u spray a shit load of brake cleaner and then spray all the guk out with the compressor.

as far as pics go its really nothign special. weld the 4 walls the gears are against, and the 4 corners where the gears touch, rotate to the other side, do the same.

google search it if your having problems

follow the steps i took according to the pic below, i dont know what diff it is but same dealio.

 ![http://www.stillruns.com/differential.jpg](http://www.stillruns.com/differential.jpg)

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**Author:** ![bing](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bing/32/7211_2.png) [@bing](https://forums.speedlife.net/u/bing)\
**Post date:** [February 25, 2008, 6:22pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/6 "2008-02-25T18:22:52Z")

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welded diffs… soooooo janky.

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**Author:** ![robbbby](https://avatars.discourse-cdn.com/v4/letter/r/b19c9b/32.png) [@robbbby](https://forums.speedlife.net/u/robbbby)\
**Post date:** [February 25, 2008, 6:23pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/7 "2008-02-25T18:23:00Z")

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> [@Calling out DrDos](https://forums.speedlife.net/t/calling-out-drdos/15773/27):
>
> I am a very good welder

if that is true you would know that you’re not going to get a proper weld trying to weld through gear oil with it still on the car.

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**Author:** ![90sohc](https://avatars.discourse-cdn.com/v4/letter/9/47e85d/32.png) [@90sohc](https://forums.speedlife.net/u/90sohc)\
**Post date:** [February 25, 2008, 6:24pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/8 "2008-02-25T18:24:15Z")

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ok guys thanks. i thought it would be just that easy. im goona do it tomorrow and ill take pics along the way thanks alot guys…

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**Author:** ![90sohc](https://avatars.discourse-cdn.com/v4/letter/9/47e85d/32.png) [@90sohc](https://forums.speedlife.net/u/90sohc)\
**Post date:** [February 25, 2008, 6:26pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/9 "2008-02-25T18:26:06Z")

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ok thanks for the asshole remarks. there are chemicals that get rid of the effect of gear oil… A\*\* dont shit on my thread, if you dont have something constructive stay the F\*\*\* out. A **H** \*. fill in the blanks and i know its a butcher job to weld it but i dont have the money to buy a lsd righ now…

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**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\
**Post date:** [February 25, 2008, 6:30pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/10 "2008-02-25T18:30:03Z")

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easy killer know need for everyone to get all pissed off DRAMA SECTION by the way take for pics i wanna see

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**Author:** ![90sohc](https://avatars.discourse-cdn.com/v4/letter/9/47e85d/32.png) [@90sohc](https://forums.speedlife.net/u/90sohc)\
**Post date:** [February 25, 2008, 6:34pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/11 "2008-02-25T18:34:35Z")

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its just annoying that EVERYONE hates people shitting on their thread but everyone has to put their smart ass remarks in, i suggest a temp ban for robby, this is exactly what everyone on here gets pissed off about.

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**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\
**Post date:** [February 25, 2008, 6:36pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/12 "2008-02-25T18:36:40Z")

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oh well sh!t happens anyways back on topic take some pics i wanna see but make sure you do it inside lol

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**Author:** ![bing](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bing/32/7211_2.png) [@bing](https://forums.speedlife.net/u/bing)\
**Post date:** [February 25, 2008, 6:39pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/13 "2008-02-25T18:39:28Z")

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easy now folks…

all is well, calm blue ocean.

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**Author:** ![Ko-San](https://avatars.discourse-cdn.com/v4/letter/k/8e8cbc/32.png) [@Ko-San](https://forums.speedlife.net/u/Ko-San)\
**Post date:** [February 25, 2008, 6:42pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/14 "2008-02-25T18:42:11Z")

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lol welcome to SON  
good luck on your task and post pics up after

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<div class="post-metadata">

**Author:** ![90sohc](https://avatars.discourse-cdn.com/v4/letter/9/47e85d/32.png) [@90sohc](https://forums.speedlife.net/u/90sohc)\
**Post date:** [February 25, 2008, 6:43pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/15 "2008-02-25T18:43:19Z")

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thanks for all that helped, pics should be up as soon as i get them

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<div class="post-metadata">

**Author:** ![kollo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kollo/32/5661_2.png) [@kollo](https://forums.speedlife.net/u/kollo)\
**Post date:** [February 25, 2008, 6:55pm UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/16 "2008-02-25T18:55:23Z")

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hahaha im a white ocean like oceans 13 “s13”

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**Author:** ![robbbby](https://avatars.discourse-cdn.com/v4/letter/r/b19c9b/32.png) [@robbbby](https://forums.speedlife.net/u/robbbby)\
**Post date:** [February 26, 2008, 3:39am UTC](https://forums.speedlife.net/t/weld-locking-a-differential/113465/17 "2008-02-26T03:39:34Z")

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> [@i hosted the howard stern 9/11 broadcast](https://forums.speedlife.net/t/i-hosted-the-howard-stern-9-11-broadcast/16045/13):
>
> its just annoying that EVERYONE hates people shitting on their thread but everyone has to put their smart ass remarks in, i suggest a temp ban for robby, this is exactly what everyone on here gets pissed off about.

> [@90sohc](#):
>
> ok thanks for the asshole remarks. there are chemicals that get rid of the effect of gear oil… A\*\* dont shit on my thread, if you dont have something constructive stay the F\*\*\* out. A **H** \*. fill in the blanks and i know its a butcher job to weld it but i dont have the money to buy a lsd righ now…

lol
