Hi guys
So I got the car down the garage to diagnose an occasional clonk that seemed to come from the rear of the car when selecting D or R. The garage removed the driveshaft, rotated the diff and the noise is coming from the diff. On the plus side better the diff than gear box.
Has anyone heard of the rear diff being an issue? Are there any modifications to strengthen the diff?
I’m assuming the issue has been caused by my 2/3 gap having the rear drive axels removed when refining this area or perhaps the worn drive shaft support bracket which I’ve now had replaced.
Rear differential rebuild
Re: Rear differential rebuild
Never heard of another case. You just got lucky.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: Rear differential rebuild
Yes, just my kind of luck. 
Re: Rear differential rebuild
I don't think there's anything special about the diff. You should be able to get it rebuilt easily enough, I would have thought. No LSD or anything.
You probably want to make sure that it's not the centre propshaft bearing that is actually clonking. That's a fairly common failure.
You probably want to make sure that it's not the centre propshaft bearing that is actually clonking. That's a fairly common failure.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: Rear differential rebuild
Thanks Ben. They said they removed the prop shaft and rotated the diff, this would isolate the prop bearing? Hopefully they’re able to tell from that if it’s a fault within the diff. Sadly I’ve got to put my trust in them as I’ve not got the time, tools or skills to do the work myself. 
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