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Cleaning out rear axle housing

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Old 06-11-2008, 09:39 AM
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Cleaning out rear axle housing

Since my bearings were bad in my third and i took it to a shop to get it rebuilt and i am waiting for it back, i have been cleaning out the inside of the housing.

My question is, is there a secret to getting almost of the tiny metal particles out of there? I have used a whole roll of shop rags, two cans of brake cleaner, and a magnet. i think i got most of everything, but would it be okay to put everything back together and then change the diff fluid in a few 100 miles, and cleaning the drain plug magnet then?

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Old 06-11-2008, 09:43 AM
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Originally Posted by 904_runner
Since my bearings were bad in my third and i took it to a shop to get it rebuilt and i am waiting for it back, i have been cleaning out the inside of the housing.

My question is, is there a secret to getting almost of the tiny metal particles out of there? I have used a whole roll of shop rags, two cans of brake cleaner, and a magnet. i think i got most of everything, but would it be okay to put everything back together and then change the diff fluid in a few 100 miles, and cleaning the drain plug magnet then?
Yes, you did it right......I would just give it a shot of compressed air and then call it good.....the magnet on the drain plug should pick up any leftovers
Old 06-11-2008, 09:47 AM
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Alright, i spent, what felt like a couple hours cleaning in there. Sometimes i can get a little more particles on the rags, and was just wondering if it sounded good enough.

I was told i could put another flat magnet in the housing and leave it there to collect more, would you guys recommend that? I think i won't even bother unless it is a trick of the trade i am not familiar with.
Old 06-11-2008, 09:55 AM
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i think you'd be good just changing the diff fluid after a couple hundred miles just to be safe... i don't think i'd be comfortable leaving something in the diff housing...
Old 06-11-2008, 10:17 AM
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Thats what i was thinking, because my luck would be that ring gear would pick up that magnet and then, well you know...

Okay, when i put it back in i am just using a 80w90 valvoline synthetic blen, so when i reflush it should i use the same weight oil and the same stuff or should i try that redline shockproof? Now this will be with the stock gears but new bearings and a lockright. So in that case should i use a thicker oil? Basically what are your thoughts on the subject?
Old 06-11-2008, 10:21 AM
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i have a Detroit, 5.29s and cryo bearings from Zuk and i still use 80w90. Only thing i would reccomend is to use a full synthetic oil.

Im assuming you know how to properly break-in your new gears?
Old 06-11-2008, 10:22 AM
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Im not getting new gears, just a rebuild of new bearings
Old 06-11-2008, 10:25 AM
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Originally Posted by grovedogg
i think you'd be good just changing the diff fluid after a couple hundred miles just to be safe... i don't think i'd be comfortable leaving something in the diff housing...

NO, hes talking about the magnet on the drain plug....

I have heard of people putting magnets in their diffs (drag racers and stuff do it) and them staying put.... but I sure as hell wouldnt try it...gears aint cheap by any means!
Old 06-11-2008, 10:25 AM
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ok good. just make sure you use full syntec. Its better for the gears and keeping everything cool.
Old 06-11-2008, 10:27 AM
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Is that shockproof stuff full synthetic? OR what would be best, mobil 1?
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