Here's a general outline of the process. This is NOT a complete, step-by-step guide, and specifics may vary slightly depending on your exact Suburban model (1500, 2500 etc.). Always consult a repair manual specific to your vehicle's year and model. A Haynes or Chilton manual will be invaluable.
Tools You'll Likely Need:
* Jack and jack stands: Safety first! Never work under a vehicle supported only by a jack.
* Wheel chocks: Essential for safety.
* Lug wrench: To remove the wheel.
* Torque wrench: Crucial for tightening bolts to the correct specification.
* Socket set and wrenches: Various sizes will be needed.
* Ball joint separator: To separate the ball joint from the steering knuckle.
* Hammer and punch: May be needed for stubborn components.
* Penetrating oil (PB Blaster, etc.): To loosen rusted or seized bolts.
* Press or large C-clamp: To press the old bearing out and the new one in (this is often the most difficult part). A shop press is ideal.
* New wheel hub assembly: Make sure you get the correct part number for your vehicle.
* Replacement cotter pin: For the castle nut.
* Grease: For the new bearing.
General Steps (Consult your repair manual for specific details):
1. Safety First: Park on a level surface, engage the parking brake, and use wheel chocks.
2. Remove the Wheel: Loosen the lug nuts before jacking up the vehicle. Remove the wheel.
3. Disconnect Brake Caliper: Remove the caliper bolts and carefully hang the caliper out of the way, using a wire or bungee cord to prevent damage to the brake line.
4. Disconnect ABS Sensor (if applicable): Carefully disconnect the ABS sensor wire.
5. Disconnect Ball Joint: Separate the ball joint from the steering knuckle using a ball joint separator. This can be tricky; penetrating oil is your friend here.
6. Remove Tie Rod End (some models): You may need to disconnect the tie rod end from the steering knuckle. Again, penetrating oil is helpful.
7. Remove the Axle Nut: This is often very tight; use a breaker bar if necessary.
8. Remove the Hub Assembly: Once the axle nut is off, the hub assembly should come off the spindle. This may require some persuasion.
9. Press Out the Old Bearing: This is where a press is essential. Using a hammer and punch can damage the new bearing.
10. Press In the New Bearing: Use the press to carefully install the new bearing. Ensure it's seated correctly.
11. Reassembly: Reassemble everything in reverse order, ensuring all bolts and nuts are tightened to the correct torque specifications (as per your repair manual). Use new cotter pins.
12. Torque Specifications: This is CRITICAL. Incorrect torque can lead to failure and danger.
13. Test Drive: After reassembly, carefully test drive the vehicle to ensure the problem is solved.
Important Considerations:
* ABS Sensor: Be careful with the ABS sensor; it's easy to damage.
* Torque Specifications: Use a torque wrench and follow the specifications in your repair manual precisely.
* Pressing the Bearing: If you don't have access to a press, you might need to take the hub assembly to a shop to have the bearing pressed in and out.
This is a simplified overview. Always consult a repair manual specific to your 1999 Chevy Suburban before attempting this repair. If you're unsure about any step, seek professional help. Improper repair can lead to serious consequences.
