Front Diff Pinion Bearing Failure

[Acob720]

20k miles. Front differential bearing failure…

Truck has had a 1.5inch motofab leveling kit on it for 3 months and 2K miles. And slightly larger tires than stock (tremor size, 275/70 R18). All installed at a Ford dealer.

Repaired after 10 days at a different dealer.

With all of the level kits that have been installed on trucks on this forum, is this a common issue?

I have a hard time believing it is, but according to the service advisor, that is likely the cause.

Interestingly, it was repaired under warranty with a ?.

Seriously questioning if I should restore back to stock to avoid future issues. I know… CRAZY TALK. ?

 

[Bluesman]

Could just be a material failure that was waiting to happen or the factory setup of the gear set was incorrect. Always a good idea to change the axle fluids after the break in period too...

 

[Gros Ventre]

Ahy leveling or raising kit installed may change the angle of the shaft from the transfer case to the differential. That runs a risk of loading the pinion bearing in a way it was not designed for. That may be the cause. Go look at this angle and see if it changed after the install.

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