Tools and Materials Needed:
- Jack and jack stands
- Lug wrench
- Socket set
- Torque wrench
- Grease gun
- High-temperature bearing grease
Procedure:
1. Prepare the Vehicle:
- Park the vehicle on a flat surface and engage the parking brake.
- Loosen the lug nuts on the front wheels, but do not remove them completely.
2. Raise the Vehicle:
- Use a jack to safely lift the front of the vehicle until the wheels are off the ground.
- Secure the vehicle using jack stands to ensure stability.
3. Remove the Wheel:
- Remove the lug nuts and take off the front wheel.
4. Locate the Bearing Cap:
- On the wheel hub, find the bearing cap. It's usually located behind the brake rotor.
5. Remove the Bearing Cap:
- Use a socket wrench to loosen and remove the bearing cap.
6. Inspect the Bearings:
- Visually inspect the bearings and the bearing races for any signs of damage or wear.
- If the bearings or races are damaged, they need to be replaced.
7. Apply Grease:
- Using the grease gun, inject high-temperature bearing grease into the bearing cap.
- Fill the cap about halfway with grease.
8. Replace the Bearing Cap:
- Reinstall the bearing cap onto the wheel hub.
- Tighten the cap until there's a slight resistance, but do not over-tighten.
9. Reinstall the Wheel:
- Place the wheel back onto the hub and secure it with the lug nuts.
- Tighten the lug nuts in a star pattern to ensure even tightening.
10. Lower the Vehicle:
- Carefully lower the vehicle using the jack.
11. Torque the Lug Nuts:
- Tighten the lug nuts to the manufacturer's specified torque using a torque wrench.
12. Road Test:
- Take the vehicle for a short drive and test the wheel rotation and handling.
Note:
- The process of adjusting the front wheel bearings may vary slightly depending on the specific vehicle model. Always refer to your vehicle's owner's manual for accurate instructions pertaining to your vehicle.
- If you're not comfortable performing this procedure, it's recommended to seek the assistance of a professional mechanic.