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#1
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Catastrophic failure of Rear diff and repair DIY
I could tell it was coming from the rear but from what I can see through the inspection hole the gears look OK so I'm not sure what's going on. Last edited by wsmeyer; 12-23-2017 at 08:46 PM. |
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#2
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That looks like something broke and shot out the housing. Were it my car i would be removing the dif for a rebuild.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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That isnt an inspection hole.
It is, unfortunately, a hole. Bad news. Very bad as you cannot get it rebuilt. You need a new diff case. Look for a used diff. No idea what caused that.... Last edited by ard; 12-23-2017 at 09:33 PM. |
#4
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Hope the OP was joking about the inspection hole.
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#5
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Find a used one at car-part.com. Differentials usually outlive the vehicle.
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2007 E70 4.8i |
#6
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Lol. Got me,
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#7
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That's not an inspection hole!?!?
Yes, I was joking. Sorry, I needed a laugh after the week I had. As soon as I opened the door and was hit with that rancid smell of used diff oil I knew what the problem was. I did get a used diff and swapped it out. I'll update the thread with repair Last edited by wsmeyer; 12-24-2017 at 09:21 PM. |
#8
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1. You could have asked a mod to alter the title.
2. You can still ask them to 'combine' the threads. The 'inspection hole' was funny, would be good to see that live on. |
#9
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I realized after I posted that that in advanced mode I can edit the title so I will continue this thread.
First pic is after removing the diff cover. After I picked all the pieces out of the housing The carrier put back together so you can see how where it broke apart. There is some damage to the ring and pinion but my hunch is that is from the failure, not the cause of the failure. I would think that if the damage had happened previously there would be tell tale wear on the gears from the metal bits. To me the wear looks pretty good for 96k miles. |
#10
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The fluid looks pretty clean, not like it has been grinding away for 20k miles then triggering this failure.....
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