Trailer Wheel Hub H545-2A Idler 5 Bolts

The trailer hub is the primary fixture that provides the mounting point on which the wheel spins. There are idler hubs and brake hubs. Idler hubs have no braking capabilities and simply spin freely. Brake hubs contain trailer brakes, whether electric or hydraulic.

Two Types of Trailer Brake Hubs

Idler Hub

Brake Hub

How to Replace Trailer Hub Assembly?

Before replacing the wheel hub, we need to prepare these tools：Floor jack, jack stand, Impact driver or ratchet, Socket kit, Slotted screwdriver, Pliers, Clean cloth, Torque wrench

The following steps are required to replace the trailer hub assembly:

1. Turn off the engine and disconnect the power supply.
2. Dismantle the connection device of the trailer, including the bridge connecting the trailer and the vehicle, as well as the rope connecting the trailer and the vehicle.
3. Removing the vehicle from the trailer may require the use of a jack or other tools.
4. Disassemble the old wheel hub assembly, including dismantling the tire and wheel hub, and clean the site.
5. Install the new wheel hub assembly in the order specified in the manual.
6. Install the tire and wheel hub onto the new wheel hub assembly, taking care to ensure that the connection between the tire and wheel hub is secure.
7. Reconnect the bridge and ropes between the trailer and the vehicle to ensure a secure connection.
8. Restart the engine and test the vehicle to ensure everything is normal.
9. Please note that replacing the trailer hub assembly requires professional skills and tools. If you are unsure how to proceed with the replacement, it is best to seek professional assistance.