Key points
- Locate the two bolts on the rear of the brake disc and remove them using a 21mm socket.
- If the hub is stuck, use a penetrating oil and let it sit for a while before trying to remove it.
- Replacing a rear wheel bearing on a Corsa C is a manageable task that can be completed with the right tools and a bit of patience.
Maintaining a vehicle requires regular inspection and maintenance, including replacing worn components like wheel bearings. If you’re facing a faulty rear wheel bearing on your Corsa C, this comprehensive guide will provide step-by-step instructions to help you tackle the task confidently.
What You’ll Need
Before getting started, gather the following tools and materials:
- New rear wheel bearing
- 17mm socket and wrench
- 19mm socket and wrench
- 21mm socket and wrench
- Torque wrench
- Hammer
- Punch
- Pry bar
- Grease
- Safety glasses
- Gloves
Safety Precautions
- Park the vehicle on a flat and stable surface.
- Engage the parking brake to prevent the car from rolling.
- Wear safety glasses to protect your eyes from flying debris.
- Use gloves to keep your hands clean and protected.
Step-by-Step Instructions
1. Remove the Wheel
- Use a 17mm socket to loosen the lug nuts on the affected wheel.
- Lift the vehicle using a jack and secure it with jack stands.
- Remove the lug nuts and detach the wheel.
2. Remove the Brake Caliper
- Unbolt the two bolts holding the brake caliper using a 19mm socket.
- Carefully lift the brake caliper and secure it to the suspension with a bungee cord or wire.
- Do not disconnect the brake line.
3. Remove the Brake Disc
- Locate the two bolts on the rear of the brake disc and remove them using a 21mm socket.
- Slide the brake disc off the wheel hub.
4. Remove the Hub Nut
- Use a 32mm socket to loosen and remove the hub nut.
5. Remove the Hub and Bearing
- Gently tap the hub with a hammer to loosen it.
- Use a pry bar to carefully pry the hub assembly off the axle.
- The old bearing will be located on the backside of the hub.
6. Install the New Bearing
- Apply a generous amount of grease to the new bearing.
- Place the new bearing onto the hub and tap it into place with a hammer and punch.
- Ensure the bearing is fully seated.
7. Reassemble the Hub
- Slide the hub assembly back onto the axle.
- Tighten the hub nut to the specified torque using a torque wrench.
8. Reinstall the Brake Disc
- Place the brake disc back onto the wheel hub.
- Tighten the two bolts on the rear of the brake disc to the specified torque.
9. Reinstall the Brake Caliper
- Lift the brake caliper and secure it to the suspension bolts.
- Tighten the bolts to the specified torque.
10. Reinstall the Wheel
- Place the wheel back onto the hub and tighten the lug nuts by hand.
- Lower the vehicle and fully tighten the lug nuts using a 17mm socket.
11. Final Torque Check
- Use a torque wrench to ensure all bolts and nuts are tightened to the specified torque values.
Troubleshooting
If you encounter any difficulties during the process, consider the following:
- Ensure you have the correct tools and materials.
- Follow the instructions carefully and do not skip any steps.
- If the hub is stuck, use a penetrating oil and let it sit for a while before trying to remove it.
- If you are unsure about any step, consult a professional mechanic.
Wrapping Up
Replacing a rear wheel bearing on a Corsa C is a manageable task that can be completed with the right tools and a bit of patience. By following these instructions, you can restore your vehicle’s performance and ensure a safe and smooth ride.
Answers to Your Questions
Q: How often should I replace my rear wheel bearings?
A: The replacement interval for rear wheel bearings varies depending on driving conditions and vehicle usage. However, it is generally recommended to inspect them every 50,000-75,000 miles.
Q: What are the signs of a faulty rear wheel bearing?
A: Common signs include humming or grinding noises, increased play in the wheel, and uneven tire wear.
Q: Can I drive with a faulty rear wheel bearing?
A: Driving with a faulty rear wheel bearing is not recommended as it can lead to further damage and safety hazards. Replace the bearing as soon as possible.