why does my Toyota Corolla E140 (2006-2013) make a clunking noise over bumps?

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a level surface and secured with wheel chocks.
• Wear safety goggles and gloves.

2. Raise the Vehicle

• Sub-steps:
  1. Use a jack to lift the vehicle and secure it on jack stands.
  2. Remove the front wheels for better access to the suspension components.
• Tools Required: Jack, jack stands, wheel chocks.
• Safety Warnings: Ensure the vehicle is securely supported before working underneath.

3. Inspect and Replace Components

• Sub-steps:
  1. Check the struts/shocks for leaks or damage. If damaged, replace them with new units.
     • Torque specifications: Follow manufacturer guidelines for strut mounting bolts.
  2. Inspect the sway bar links for any signs of wear or looseness. Replace if necessary.
  3. Examine the sway bar bushings for cracks or deterioration. Replace if needed.
  4. Tighten all relevant fasteners to manufacturer specifications.
• Tools Required: Socket set, torque wrench.

4. Reassemble and Lower Vehicle

• Sub-steps:
  1. Reinstall the front wheels and hand-tighten the lug nuts.
  2. Lower the vehicle back to the ground and fully tighten the lug nuts to manufacturer specifications.
• Tools Required: Socket set, torque wrench.