U-joint issue

EthansTj · Wednesday at 4:14 PM

View: https://youtube.com/shorts/xF3AG0fLIz8?is=L5c3lWrVHR2Fh0-p

View: https://youtube.com/shorts/aHnPhEq9RCw?is=EYI3DWAq0VUVtGC2

1997 Jeep TJ 4.0 AX-15 assuming this noise is from the rear U-Joint, lot of play in it as well. What would be my next steps?

Chris · Wednesday at 4:23 PM

If it were me I’d have the driveshaft rebuilt. Or do it yourself.

macleanflood · Wednesday at 4:26 PM

I have a SYE so it's a double carden. The double carden went out. It egged out the yoke on the transfer case and took out the outer pinion bearing and stretched the Dana 35 yoke.

Took a lot of parts and time to replace.

-Mac

Gilaguy23 · Thursday at 7:12 AM

Short of losing the shaft, I think that's the worst U joint I've ever seen. I cant even imagine who driving with that is.

Wingback73 · Thursday at 9:15 AM

Replace the ujoint. If it doesn't seat properly under the clamp then you need a new driveshaft

Zorba · Thursday at 11:42 AM

Chris said:
If it were me I’d have the driveshaft rebuilt. Or do it yourself.

Yep. Its pretty obvious, even with the vertical video!

tr21triton · Friday at 7:36 PM

Gilaguy23 said:
Short of losing the shaft, I think that's the worst U joint I've ever seen. I cant even imagine who driving with that is.

Naw, that thing is like new, just needs a little grease !

EthansTj · Saturday at 3:23 PM

So I’ve replaced the worn U-joint with the spicer 5-1310X and the bang is still there. Anyone have any ideas on what it could be? Sounds/feels like it’s coming from the rear transmission/transfer case area so kind thinking something with the transfer case.

tr21triton · Saturday at 3:32 PM

Have you pulled the cover off your rear diff ? Could be a broke spider gear fairly common issue.

EthansTj · Saturday at 4:21 PM

tr21triton said:
Have you pulled the cover off your rear diff ? Could be a broke spider gear fairly common issue.

Actually that’s what I’m about to do. Just grabbed new fluid and gasket

EthansTj · Saturday at 4:44 PM

EthansTj said:
Actually that’s what I’m about to do. Just grabbed new fluid and gasket

View: https://youtube.com/shorts/tks2iD1-ds8?is=YHCVr3diNqCnEwXy

macleanflood · Sunday at 6:28 AM

Now prop the phone up so it's not Blare Witch project and spin the wheels and driveshaft.

Overall looking good.

Any chunks?

I can't stress the importance of shaking and pulling on everything.

This was one of my four problems. Double carden centering ball went out. That egged out my transfer case yoke, took out the outer pinion bearing on my diff.

View: https://youtu.be/BG8gIw4eHhI?is=h-d_4nIfp-bTleUG

-Mac

Tronner · Sunday at 8:13 AM

macleanflood said:
Now prop the phone up so it's not Blare Witch project and spin the wheels and driveshaft.

Overall looking good.

Any chunks?

I can't stress the importance of shaking and pulling on everything.

This was one of my four problems. Double carden centering ball went out. That egged out my transfer case yoke, took out the outer pinion bearing on my diff.

View: %5BURL%5Dhttps://youtu.be/BG8gIw4eHhI?is=h-d_4nIfp-bTleUG[/URL]

-Mac

Mac to my eye his spider gears look like they are missing chunks, ring gear has similar missing chunks.

Tronner · Sunday at 8:15 AM

Looks to me like your entire gear set chewed on some metal. Better pics will help.

tr21triton · Sunday at 8:42 AM

Yea that ring gear has issues for sure

EthansTj · Sunday at 9:02 AM

so there was definitely little chunks of metal when I open the diff. Here are some better pics.

NashvilleTJ · Sunday at 9:05 AM

Toast.

Tronner · Sunday at 9:07 AM

Agree with @NashvilleTJ. It’s done for. You can get new gears but if you’re on a budget, I’d recommend finding another axle with the same ratios and swapping it in. Sell the busted one (for parts and repair) and recoup some cash.

Judging by the marks on the carrier, looks to me like a pinion bearing went bad causing the pinion to hit the carrier and chip some teeth on the spider gears which then caused the ring and pinion to chew the resulting chunks.

Zorba · Sunday at 9:45 AM

macleanflood said:
Now prop the phone up so it's not Blare Witch project, TURN IT SIDEWAYS, and spin the wheels and driveshaft.

FIFY!

U-joint issue

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