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Joined the broken 10 bolt club today (Pics)

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Old 04-25-2007, 03:04 PM
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Default Joined the broken 10 bolt club today *Updated, with more carnage!*

just driving arround today when all of a sudden, bam rear axle locks up. Breaks free again after a second and I immediatly drive home to check it out. Pull the diff cover and find:


whats that large piece next to the magnet you ask?

Its what's left of the bolt that used to be here:


and apparently bounced arround quite a bit:



Now the thing is 2 bolts fell out but I only found the one. This is also a stock 10 bolt that has never been touched other than regular fluid changes, so I dont know what caused the bolts to back out.

Last edited by Mikerace15; 04-26-2007 at 08:06 PM.
Old 04-25-2007, 04:23 PM
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sux...

well you know what they say... everything happens for a reason...

time to get yourself a 9"
Old 04-25-2007, 04:27 PM
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mmm carnage
Old 04-25-2007, 06:50 PM
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Got the carrier out tonight, the bolts didnt back out, they just snapped.
Old 04-25-2007, 07:14 PM
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whatcha planning on putting in there? sticking w/ the 10 bolt still?
Old 04-25-2007, 08:17 PM
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2 bolts just snapped off the carrier:


Scared up the housing pretty bad too:


At this point Im not sure what I should do. The car sees the strip MAYBE once a year, for the most part its my DD and ocasinal autocross car. My funds right now really wont allow for a 12 bolt or 9". But at this point I need a new diff and gearset so that ~900 or so. Either way im gonna trade up to some 4.10's
Old 04-26-2007, 08:08 PM
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more 10 bolt carnage!

went to pull the ring gear tonight and noticed a crack below where the carrier bearing mounts:


so I wiggle it a litte and bam! breaks right off!



It amazes me that all this damage was done WITHOUT shearing any teeth on the pinion or ring gear.
Old 04-26-2007, 08:45 PM
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i ve seen this several times its very common on the zexel carrier i would keep your 10 bolt and just buy the eaton posi unit and a t/a cover since your on a budget.
thats what i always recommend to my customers that cant afford to go the 12 bolt or 9 inch way.
Old 04-27-2007, 01:15 AM
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I had the exact same thing happen to my 10 bolt, except i did it on a 10mph WOT. I came out of a subdivision went WOT, went to 2nd gear backed off and started hearing a gravely noise coming from the rear. I pulled over and my car is leaking diff liquid everywhere. As soon as i went WOT is when mine blew because i had a nice 1/8 mile trail to where i stopped to check. I got a pic exactly like the 2nd one you posted, lol. I just got done putting a DLS 9inch with 3.89 true trac in mine after 6 months of scratching up enough money to do it.
Old 04-27-2007, 06:08 AM
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looks like your ready to move right onto a new 9in now since you realize that the 10bolt sukcs *** and is a waste of money to keep fixing!!!
Old 04-27-2007, 08:39 AM
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I Dont Think Its A Waist Of Money To Keep Fixing Considering This Is Only The First Time It Happened
Old 04-27-2007, 02:18 PM
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If you've broken one, bite the bullet and go with a 12 bolt or 9 inch. Putting money into another 10 bolt will have you cussing soon wondering why you didn't learn your lesson the first time. I know, I went through two 10 bolts before wising up. By the way, neither of them broke at the track so lack of track time is no reason to stick with a weak rearend.
Old 04-27-2007, 03:13 PM
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Too start off with, I know the 12bolt, 9inch & S60 are the way to go. But pics and stories like this blow my mind simply because the cars have few if any mod's. I have run 4.10's, 4.30's & currently 3.90's both the 4.30's and 3.90's were and are being sprayed. I have made 100's of 1/4mile passes with this 10bolt and only had breakage 2 times. Once with server wheel-hop broke 2 teeth off the ring gear (my fault) at the track. The other time the torsen posi gave up at the track.
Old 04-27-2007, 03:46 PM
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welcome to the club..i joined last week..i sheared teeth off though...9" on the way!
Old 04-27-2007, 04:18 PM
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If sticking with the 10 bolt you should consider the detroit trutrac for $350. PM me and I can get you the part number and where I got it from......Don't want to **** of the mods with a non sponsor quote.

I absolutely love mine.
Old 04-27-2007, 04:51 PM
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I Have Never Seen A Broke Eaton Posi Unit Only The Zexels. Other Than Its Breaking Teeth Off Of A Ring Gear
Old 04-27-2007, 07:25 PM
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i had that happen in my stock trans am. makes you wonder what kind of tests that gm ran with these before they sent them out.
Old 04-29-2007, 03:01 AM
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Well Looks like Im with the club also, I just ripped a cupple teeth of my drive pinion a few days back. My 12 bolt is on the way.
Old 04-30-2007, 10:26 PM
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Mikerace:

Why did you wiggle it? Now you really broke it bad. If you hadn't messed with it, you could have put some liquid nails or epoxy, a coat of paint, and put it on ebay, and run like hell. Just joking. I couldn't resist. BTW, that mushroom of metal on the left looks like you took a 45 to it. If you did, I couldn't blame you.
Old 05-01-2007, 02:58 AM
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I busted the pinion gear in my 3.73 geared TA girdled 10 bolt.
The install of my Rossler TH400 did mine in.
Didn't even consider building another 10 bolt.
I threw a 2.73 gear 10 bolt I had laying in the backyard (guy gave it to me for free if I would haul it off) in the car just to get it mobile and started looking for a built rear.
Got a Strange 12 bolt with 4.10s and a spool ready to go in now.


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