The Mud Pit > Wrenching

Vibration when I hit the gas pedal...

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Coqui:
Still chasing the vibration gremlin that happens at around 25MPH and higher…. 

Transmission Mount looked good after removal and inspection.

Installed new Spicer ujoint rear DS.

What’s wired about the vibration is that it only happens while pressing the gas pedal.

kirksjeep:
I would look at the pinion angle if it is only when on the skinny pedal.  When accelerating the pinion wants to tip up.  If you have adjustable control arms you might want to tilt the pinion down a degree and see if it helps.

skibum:
If the vibration was not there before you went wheelin then something is warn or loose. There is nothing better than a good visual inspection. If you did not see anything the first time then go back again because your missing something.

Coqui:
Right on, Looking into a bent TC output shaft.

Coqui:
Removed rear DS, took the jeep for a spin on 4hi......no vibrations.

Returned home got under the jeep noticed output shaft is bent and whobbly.

Anyone have a spare TC output shaft for NP231J that I can buy?

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