Here's a general overview of the process. Remember, this is not a complete guide and specifics may vary depending on your truck's configuration:
Tools You'll Need:
* Jack and jack stands: Absolutely essential for safety. Never work under a vehicle supported only by a jack.
* Lug wrench: To remove the wheel.
* Wheel chocks: To secure the other wheels.
* Socket set and ratchet: Various sizes will be needed.
* Torque wrench: Crucial for tightening bolts to the correct specification (consult your repair manual).
* Hammer and punch: Possibly needed to help dislodge parts.
* Ball joint separator: To separate the ball joint from the control arm. A pickle fork can damage the ball joint.
* Tie rod separator: To separate the tie rod from the steering knuckle.
* Press or large C-clamp: May be needed to press the old bearing out and the new one in.
* Penetrating oil (PB Blaster, etc.): To loosen rusted or seized bolts.
* New wheel hub and bearing assembly: Make sure you get the correct part for your specific truck.
* Grease: For the new bearing.
* Safety glasses and gloves: Protect yourself.
General Steps (Consult your repair manual for detailed instructions and torque specs):
1. Safety First: Park on a level surface, engage the parking brake, and use wheel chocks on the wheels that remain on the ground. Raise the vehicle using a jack and secure it with jack stands.
2. Remove the Wheel: Remove the lug nuts and carefully remove the wheel.
3. Disconnect Brake Caliper: Remove the brake caliper and hang it securely out of the way using a bungee cord or wire. Do not let the brake line hang freely.
4. Disconnect ABS Sensor (if applicable): Unplug the ABS sensor wire from the hub.
5. Disconnect Tie Rod: Use a tie rod separator to separate the tie rod from the steering knuckle.
6. Disconnect Ball Joint: Use a ball joint separator to separate the ball joint from the lower control arm.
7. Remove the Axle Nut: Remove the large axle nut securing the hub to the spindle. This will often require a breaker bar or impact wrench.
8. Remove the Rotor (if necessary): Depending on your specific model, you may need to remove the brake rotor before removing the hub assembly.
9. Remove the Hub and Bearing Assembly: Once all components are disconnected, the hub and bearing assembly should slide off the spindle. Some force may be required.
10. Install the New Hub and Bearing Assembly: Carefully install the new hub and bearing assembly onto the spindle. Ensure it's seated correctly.
11. Reassemble Everything: Reassemble all components in reverse order, ensuring everything is properly connected and tightened to the correct torque specifications (consult your repair manual).
12. Lower the Vehicle: Carefully lower the vehicle and remove the jack stands.
13. Torque Specifications: Double-check all bolts to ensure they are tightened to the correct specifications as outlined in your repair manual.
Important Considerations:
* Pressing the Bearing: Often, a press is needed to remove and install the bearing. Improperly installing the bearing can damage it and lead to premature failure.
* ABS Sensor: Be careful with the ABS sensor wire; damage can lead to ABS system problems.
* Torque Specifications: Incorrect torque can damage components and cause safety hazards. Use a torque wrench and consult your repair manual.
* Professional Help: If you're uncomfortable with any part of this process, it's best to take your vehicle to a qualified mechanic. The cost of professional repair is much less than the cost of damaging your vehicle.
This is a simplified overview. Refer to a repair manual specific to your 2002 Dodge Ram 1500 for complete and accurate instructions. Failing to do so could lead to damage to your vehicle or personal injury.