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UPDATE: it went into the shop on Thursday and by Friday morning it was determined that something in the transfer case (high range side) is failing. The “clunk” does not happen in low range. There is only 5 degrees of driveline “take-up” in low range (normal) and nearly 45 degrees of FRONT shaft rotation until take-up in high range. I suspect I’ll be getting a new t-case. Again, only 5100 miles (with about 500 miles of Colorado off-road use).
New tcase for sure. cheaper to replace than tear apart. Keep us posted… These transfer cases appear to be relatively bomb proof/gear driven. Curious to the failure point.
Is the excessive rotation with the CDL unlocked in high and low range?
No, just high range. There is no failure indication in low at all.
so you've had 2 x CV boot failures, transfer case, rear shaft and front differential replaced
A current breakdown with the failure mode overlaid looks like this:
' report in this sample.
and 
:
It’s fun data to see but the very nature of this (or any ) forum creates a self reporting bias that makes it impossible to draw any meaningful conclusions. At this point Ineos knows if this is a problem or not but they certainly will not say. Hell, the service writer at a busy dealership has enough data to know if it’s a real problem or an outlier.A current breakdown with the failure mode overlaid looks like this:
Reports: 14
Failures: 17 (including repeat offenders Siddo, Breza and Dokatd)
Stock suspension.
C-clip failure: 2
Boot failure: 2
Other: 1 (leaking)
Subtotal: 5 (29%)
Lifted suspension.
C-clip failure: 0
Boot failure: 10
Other. 1 (leaking)
Not stated: 1 @RobP?
Subtotal: 12 (71%)
I believe there is around 10,000 members on the forum. Not all are owners but at a lowball guess of 30% ownership or ~3000 vehicles, 14 reports with 17 failures is not statistically meaningful. We would need to develop a proper survey where there was an option to report no-failure so we can get a decent representative sample size. I haven't counted @Krabby's 'all good in NJ
Just for
1. Driveshafts fitted to vehicles with standard suspension are winning at not failing. That's a relief.
2. If you're a boot fitted on the rear CV of the front driveshaft of a lifted vehicle you're probably not going to die from old age.
3. C-clip failures only on standard suspension might be pointing to something but it's too early to make a call that's anything other than a SWAG* (but I'm still looking at you slipjoint).
*Scientific Wild-Ass Guess.
Agreed. The only things I'm interested in from this exercise is the failure modes and the split between lift or no-lift. The persistent reports of driveshaft failures of any type on standard suspension should be a ray of sunshine for those with lifts. That makes it quite difficult for IA to categorically say that a lift is the root cause of failure on lifted vehicles. Evidently that's not the case. Public reporting on here, as unreliable as it may be, is still a look down at the broader problem that an owner won't get standing at the service counter of their dealer or agent.
There is some real truth in your observation.
Correct. The Transfer case has also done a seal whilst touring around NSW towing a caravan.
It's the caravan's fault! Lawyer up against the caravan mfr!
