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Drivetrain noise after trying to pull tree stump


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New member with a 90' MJ 2 wheel drive 2.5 that is making what I thought was a

driveline noise (checked the u-joints, their OK). Anybody have any ideas?

Its speed related and doesn't matter if the clutch is in or out, kind of a click, click.....

 

Thanks

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How did you check the u joints?

 

Could also be internal to the axle.

 

I wish it was a rock in the tire.

I pulled the driveline out and balanced it (I build them for a living)

The thing was wildly out of balance but u-joints OK.

I was suprised these things use tiny 1310 joints.

Anyway still make the noise, its also load related

going uphill its light but downhill it really knocks

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Anyway still make the noise, its also load related

going uphill its light but downhill it really knocks

 

Happened to me on an XJ - it was the spider gears in the diff. Much worse coasting down a hill than with a load on the diff. Pull the diff cover and take a peek- it will probably be obvious - hopefully. :cheers:

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I was figuring chipped pinion/ring gear teeth, sounds like you got lucky there. Maybe you warped/bent a tooth slightly? Not even sure that's possible with how hard they are, figure they'll probably break instead.

 

Where does the sound seem to come from?

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