A customer has a 1999 ford explorer 4.0 sohc.he has bought a master pro wheel bearing and it has failed twice.? what could be causing this to fail.would there be something else wrong with the truck?

A customer has a 1999 ford explorer 4.0 sohc.he has bought a master pro wheel bearing and it has failed twice.? what could be causing this to fail.would there be something else wrong with the truck?

Incorrect spindle nut torque could cause repeated failures of a front hub assembly. This could be a result of under/overtightening of the spindle nut, damage or excessive wear on the CV joint spindle threads, or damage/wear/loss of torque from reusing the original spindle nut instead of replacing it with a new one.
 
Tom Dayton
JS Auto Supply
Jamestown, N.Y.

 

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