Sorry this is unrelated but am I just an idiot for routing the brake lines around the knuckle? Seemed right to me but it’s rubbing like hell. Z1 ss brake lines

 

Back on topic here, looks like the pilot bushing went bad. Is the transmission still good with the input tip being damaged?

 

I usually end up padding aftermarket brake lines with rubber splicing tape and zip tie them down to something solid. They're actually pretty fragile, don't let that stainless braided outer layer fool you, if it's rubbing against something you will QUICKLY wear through the braiding.

No sharp bends either.

As for the input shaft, spray it down with brake cleaner and wipe it off good then take another picture. I would be shocked it if actually damaged the input shaft since it's steel and the pilot bushing is a brass alloy. It should basically be impossible for the pilot bushing to damage the input shaft.

However you might have melted part of the brass onto the input shaft and that would need to be cleaned off.

Test fit the new pilot bushing onto the input shaft once it's been cleaned.

Be sure to use a fairly generous amount of moly grease on the inside of the pilot bushing as well as the mating surface of the input shaft (and the light amount on splines, clutch fork pivot, clutch fork where it touches the TO bearing, face of the TO bearing where it touches the pressure plate fingers, etc, basically anything that moves that's not the clutch friction disc).

 

You’re right the brass didn’t do too much but there are some groves in it. I’ve got a couple mm of shaft play in the input which I’m assuming is what caused the premature failure. Sure would be nice to have some fresh synchros….

 

It costs like $1200 for a rebuild kit or like $2100 for a new CD00A at your local Nissan. The problem is the CD009 isn't exactly an easy rebuild you have to use a press for basically everything so it's a big time consumer.

And to get to the input shaft bearing you're basically taking the whole thing apart.

It might be worth checking your local FB marketplace and Craigslist to see if there's any lower mile CD009 available at a good price.

 

I just threw it all back together with a healthy amount of grease on the pilot busing. I’ve got a couple hundred miles on it now and everything seems good. Not sure if my old clutch was more worn than I thought, or if it’s just the break in, but the new pressure plate is noticeably stiffer with feels like a lower/stronger bite. Hopefully I can get another couple years before I need to replace the transmission. @cleric670 thanks for the tips