Grease is leaking from the bearings.
Wheel bearing grease leak.
It s a good idea to do this regularly to prevent any damage or trai.
Just a quick video on what i do to maintain and keep grease in the bearings on a trailer.
High performance vehicles that drive through water regularly will need water resistant grease to protect the wheel bearings from oxidization.
The bearings that support the wheel ends are heavy duty and able to handle most any load you can put in or tow with your ford super duty.
Inside the wheel bearing is a tremendous amount of grease that keeps the bearings running smooth cool and free.
So always pick a wheel bearing grease that is designed for the temperatures of your application to avoid grease leaking out of the bearings.
Be sure to follow the manufacturers directions for properly filling your hubs with the bearing protectors.
When using the bearing protectors over filling the hub with grease will cause grease to be pushed past the seal at the back of the hub.