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Destroyed my rear end

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Old 04-22-2009, 04:19 PM
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Default Destroyed my rear end

So I knew my rear end was going to go and I had an appointment at a shop to bring it to which said that they can rebuild it. Rear end ended up exploding right as I pulled in, luckiest situation I could have hoped for I guess.

I'm not car savvy at all unfortuantly and everything they've told me doesn't make too much sense, other than I'm going to need to shell out some serious cash. It was a 10 bolt that I was just going to have rebuilt, but they're suggesting finding a 12 bolt would be cheaper.

He said he can order me a new rear from Jasper that will cost 2k, or I can search junk yards and see if somebody crashed their car recently. The problem is that this is my Daily driver and I'm so fucked without it for getting to classes and work.

From what I understand, he said it needs to be 3.23 ratio to 1 and the replacement has to have traction control or abs wont work.

I'm completely clueless here, anybody have some suggestions on what I should do?

Thanks
Old 04-22-2009, 04:23 PM
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If you are going to have to shell out 2 grand for a 10 bolt, you might as well get a new 12 bolt from Moser or a 9". I wouldn't bother putting another 10 bolt in there. And it doesn't have to be 3.23's, you can go higher to 3.42s or 3.73s if you want. It depends on your goals for the car.
Old 04-22-2009, 04:24 PM
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I only have light mods (SLP lid, exhaust, Y-pipe) and wasn't planning on doing anything else since its a DD. I should also mention that its an A4
Old 04-22-2009, 04:28 PM
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If it were me, I would not bother trying to find a 10 bolt from a junk yard. You never know what condition its in and the stock 10 bolt is junk anyways. Look into getting a 12 bolt or a 9" and never look back, its a blessing in disguise. If you are primarily looking to drive it on the street as a DD, I would go with 3.42s.
Old 04-22-2009, 04:28 PM
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Probably stick with the 3.23 since it is your DD but definitely upgrade to a 12 bolt or 9". If you are going to check the yards try and bring someone who can tell the difference between the rears by eye so you dont get the wrong thing. Or you could just let the shop get one for you. There are some on the for sale threads here and ebay as well if you wanted to check those.
Old 04-22-2009, 04:46 PM
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X4 on getting a 12 bolt. You should never have to worry about the rear end ever again with this, throw as power at it as you want.
http://www.texas-speed.com/shop/item...mid=60&catid=6
Old 04-22-2009, 05:10 PM
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you need to find out exactly what got damaged....you can find a replacement posi, axles or gears pretty cheap, especially used. thats the major components to the ten bolt. replace whats broke. i have a set of 3.23s that just came out of my car that are in perfect shape if you stripped gear teeth in yours.
Old 04-22-2009, 05:15 PM
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I have a feeling just about everything will be replaced.

My buddy works at the shop thats going to be fixing it. Keep in mind I know next to nothing about this stuff, but he texted me: "carrier bearing got loose, stripped the drive ring, doesn't move under it's own power."

I'm not sure what that means, but I'm expecting to have to replace just about everything.

01ssreda4 I'll definatly keep that in mind thank you!
Old 04-22-2009, 06:04 PM
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u can get good used rears for $250 off here + shipping. if ur car has Trac control, you will need a 4 channel rear.
Old 04-22-2009, 06:11 PM
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I have bought three 10 bolts in 3 years. 1st one had low mileage, but a chipped ring gear for $80, 2nd had 60k miles for $125, 3rd had 10k miles for $200. Prices depended on mileage and gears.
Old 04-22-2009, 06:46 PM
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Thanks for all of the responses in here. I'm on a very tight budget and as much as I'd like to shell out 2,500 for a beefy 12 bolt, I'm going to find a used 10-bolt and hope to not be in a bad financial situation.

I baby my car always, so I'm not worried about not being able to come sideways out of every road. (as much as I'd love to)
Old 04-22-2009, 07:27 PM
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defiantly just buy a used ten bolt. if you baby your car then a 10 bolt will not ever break but in your case it sounds like it broke just out of bad luck.

i feel you man i fucked up some **** in my rear because i was being stupid and slid the car into a curb so i bought a used axle for 35 dollars because mine was bent. i was without a car to school and work for two weeks because shipping took a while for some reason(my luck).

go to the parts wanted section and make a thread asking for a ten bolt just get one with the gears your car already has.

thats just my .02 cents
Old 04-22-2009, 07:33 PM
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Where are you located?
Old 04-22-2009, 07:46 PM
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Now normally i would recommend a built 12 bolt or bigger (Overkill is a good thing), but in your situation, I agree with alot of the suggestions, see if you can pick up a good condition local 10 bolt. I dont know why it would cost 2k just to completely rebuild yours though. I had the stock 10 bolt rebuilt at a reputable shop here, for less than 1k. That included an Aubrun HP Posi, GM 3.73s, all new bearings and seals, and labor.

Last edited by NVR_SPDS; 04-22-2009 at 11:15 PM.
Old 04-22-2009, 08:24 PM
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Originally Posted by Slvr00Bird
Where are you located?

I'm in Danbury, Connecticut
Old 04-22-2009, 08:26 PM
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i bought a used posi unit for $250 and 3.73s with install kit for $225 and had it installed for about 2-$300. this was yrs ago but its been fine ever since though i havent raced it in yrs.

Last edited by ULTIMATEORANGESS; 04-23-2009 at 08:23 PM.
Old 04-23-2009, 10:52 AM
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I would try a different mechanic. He is already trying to get you to spend more money than you need to. Just get the parts and rebuild the old one.
Old 04-23-2009, 04:06 PM
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Stick with your 10 bolt, just have everything that got messed up replaced.

Sounds like you need a set of bearings, seals, a new set of gears, a rear end cover gasket and fluid.

You dont race the car so you do not need a 12 bolt or 9".
Old 04-23-2009, 04:21 PM
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you can find used ones for 100-300 bux and you can get any ratio that you want, id look for one with 3.42's or 3.73's

there are two types of ABS set ups for fbodies 3 channel or 4 channel

you have a 4 channel rear seieng as it has traction control, you can get a 3 channel and just reuse your ABS hardware from the old rear so it doesnt matter which type you find.

Im in Nj and I have 3, 10 bolts sale pending on one, ones in teh car and th eother has 4.10's
Old 04-23-2009, 04:23 PM
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Stock, 4 chan 10-bolt from here. Take it to your shop.


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