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How do you replace Rear wheel bearings Chevy Sububan?

Replacing rear wheel bearings on a Chevy Suburban is a moderately advanced repair requiring mechanical aptitude and the right tools. It's not a job for beginners. Improper installation can lead to serious safety hazards. If you're not comfortable with this level of repair, take it to a qualified mechanic.

This is a general overview and specific steps may vary slightly depending on the year and model of your Suburban. Always consult a repair manual specific to your vehicle's year and model for detailed instructions and torque specifications. These specifications are crucial for safety and longevity.

Tools You'll Likely Need:

* Jack and jack stands: Essential for safety. Never work under a vehicle supported only by a jack.

* Wheel chocks: To secure the vehicle.

* Lug wrench: To remove the wheel.

* Torque wrench: Absolutely crucial for proper tightening of various components.

* Sockets and wrenches: Various sizes, likely metric.

* Hammer and punch: Possibly needed for removing components.

* Bearing packing grease: The correct type for your bearings.

* New wheel bearings: Get the correct part number for your specific Suburban.

* Brake caliper compression tool: To compress the brake caliper piston.

* Penetrating oil: To help loosen rusted bolts.

* Clean rags: To keep everything clean.

* Pry bar (possibly): May be helpful for separating components.

General Steps (Consult your repair manual for specifics):

1. Safety First: Park on a level surface, engage the parking brake, and chock the front wheels. Raise the vehicle using the jack and securely support it on jack stands.

2. Remove the Wheel: Remove the lug nuts and take off the wheel.

3. Remove the Brake Caliper: Use the brake caliper compression tool to compress the brake caliper piston. Then remove the caliper and hang it safely out of the way using a bungee cord or wire. Be careful not to damage the brake lines.

4. Remove the Rotor (if applicable): Depending on your Suburban's design, you may need to remove the brake rotor.

5. Remove the Axle Nut: This is often very tight. Use a breaker bar if necessary. Note the position of the axle nut in case you need to reinstall it in the same orientation.

6. Remove the Axle Flange: This may involve removing other components depending on your Suburban's design.

7. Remove the Wheel Bearing: This is often pressed in. You might need a bearing puller or a press to remove it.

8. Inspect the Axle: Check for any damage to the axle.

9. Install the New Wheel Bearing: Pack the new bearing with the correct grease. Install the new bearing, ensuring it's seated properly. You might need a press for this step.

10. Reassembly: Reassemble everything in the reverse order of disassembly, carefully tightening all bolts to the correct torque specifications as per your repair manual. This includes the axle nut. Do not overtighten.

11. Lower the Vehicle: Carefully lower the vehicle and remove the jack stands.

12. Test Drive: Test drive the vehicle and listen carefully for any unusual noises from the wheel bearing.

Important Considerations:

* Torque Specifications: Using the wrong torque can damage components or cause premature failure. Always use a torque wrench and refer to your repair manual.

* Correct Parts: Ensure you purchase the correct wheel bearings for your specific Suburban year and model.

* Press: You will almost certainly need a press for removing and installing the wheel bearing. This is specialized equipment.

* Cleanliness: Keep everything clean during the process to avoid contaminating the new bearings.

Again, this is a simplified overview. Refer to a repair manual specific to your vehicle for detailed instructions and torque specifications. If you're unsure about any step, seek professional help. Working on a vehicle's suspension and braking system is dangerous if not done correctly.