maine07jk

Here is what I just finished on my D30 if your interested.

https://www.jk-forum.com/forums/jk-w...thread-259387/

Powderburn

What usually breaks first on the D30? I have gussets but don't want to buy new shaft until the stock ones break. Or is that a backwards view on it?

maine07jk

I have done a couple of polls on a couple different sites and the majority of the failures to the D30 seem to be the shafts at the u-joints! I will also say that the polls also show the D30 fails far less than people out there make you think. Not that it doesn't break for some unknown reason, but the application of the skinny pedal (down to the floor) seems to be it's biggest enemy!

Powderburn

So is it wise to wait for them to break? Or replace before it breaks (if) and not let it damage other components! My driver side u-joint is already having a lot of play to it.

Ryan0260

I would save money while you wait for it to break...

maine07jk

I agree. I have an extra set of shafts with the spare axle. Gives me even more time to save the $$$$

Smashboogie 4x4

I would wait for it to break and repair it with a stock axle. There is a reason that the majority of the failures are due to the u-joints. That is because it is built that way. It is built to have the weakest link be the easiest to change. If you beef up your u-joints and axles then all you have that can break is the pinion shaft.

I'd rather break a u-joint than a pinion shaft.