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Q: Pinion bearing making noise

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The rear end is making a noise around the differential. I've had a few people tell me it is my pinion bearing.

The pinion bearing is a common issue with Ford rear ends. Most of the time, this failure is due to a differential leak that was not addressed and the bearing run dry. I recommend having a trained technician, such as one from YourMechanic, diagnose the noise and make necessary repairs.

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