Discovery 2 Propshaft Failures

Forced to replace mine at 112,000kms after failure to the front shaft while travelling to the Canning @ Olympic Dam. A two day layover waiting for a greaseable shaft from Adelaide.

TD5 Auto. Done a lot of towing (2t boat) and just over 200k. Managed to catch it (heard the chirping) before it went bang.

I went for a brand new shaft from Karcraft (Bearmach) rather than a rebuilt grease-able one - I just dont think the grease-able uni joints are as strong (I could be wrong, but 200k out of a stock DC joint is pretty good I think). I will re-route the aircon outlet as well, that did pump a lot of water out when we lived in the NT.

Cheers,

Adam

TD5, Auto

Happened just after a drive up to Darwin and back. I suspect not a coincidence and had something to do with the red dust getting into the grease.

170,000kms, standard vehicle, Auto, TD5, still no problem.
I am going to re route the air con drain soon.
Is it possible to get a needle on the end of a grease gun and poke it through the rubber boot and keep it topped up with gease that way?

Both mine have been done in the last 10 months, car's only done 114k's...

I find it interesting that it seems to be happening more to the td5 autos. Could this be that the gear change from the auto creates more of a shock load than manuals ? I would also be interested to see if the auto's replace the rear donut more often.
Or it could be the auto's use the air con more often because there drivers are just soft.:D





Or they get out in the mud more.:o

I think you will find the manuals are not as common as autos.I would have thought an auto would actually be a bit kinder on the driveline.
Andrew

V8 Auto, treated well except for a bit of towing. 160,000 km or thereabouts. Felt the vibration starting and caught it before it failed catastrophically.

the manual puts less torque down into the shafts (well untill you chip them anyway)

the snappage method of failure starts out with an internal component getting sloppy or siezing up which then throws the alignment out, once the alignments out it just fatigues parts untill something gives... the more torque you put in the faster it lets go.

Id have expected speed to be more of a factor but Ive had it theorized at me that they might "balance" themselves up above certain speeds in much the same way that occasionally if you get a wheel out of balance driving faster can make the vibration it causes go away...

I'd like to believe it but I just cant see myself telling some one "yep if your front propshaft starts to chirp at you just drive faster.."

My V8 auto has had a refurbished front prop and had greasable U/J's fitted to the DC joint. Excellent!
Dont know why, as was done by the previous owner. Was it a prevention, or a failure?
"Gotta ask yourself..did I fire 5 shots or 6 shots...? Well punk,.. do you feel lucky..? ...............(sorry off topic now, damn red..):angel: