why does my Toyota Corolla E140 (2006-2013) make a knocking noise when I turn

Toyota Corolla E140 (2006-2013)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

510 words

Problem Statement

Learn how to diagnose and fix knocking noise when turning in Toyota Corolla E140. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Always wear safety glasses when working with suspension components.

Symptoms

•Knocking noise when turning the steering wheel
•Increased vibration felt through the steering wheel
•Noise occurs during left or right turns
•Uneven tire wear
•Steering feels loose or unresponsive

Diagnostic Steps

1
Inspect the front suspension components visually for signs of wear or damage.
2
Check the power steering fluid level and condition.
3
Perform a test drive to replicate the knocking noise while turning.
4
Inspect the outer and inner CV joints for damage or excessive play.
5
Examine the sway bar links and bushings for signs of wear.
6
Check the wheel bearings for any play or roughness when spun.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Socket set
•Torque wrench
•Jack and jack stands
•Wrench set

Parts Required

•CV joint (if damaged)
•Sway bar links and bushings (if worn)

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Diagnostic Steps

1
Inspect the front suspension components visually for signs of wear or damage.
2
Check the power steering fluid level and condition.
3
Perform a test drive to replicate the knocking noise while turning.
4
Inspect the outer and inner CV joints for damage or excessive play.
5
Examine the sway bar links and bushings for signs of wear.
6
Check the wheel bearings for any play or roughness when spun.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.

2. Raise the Vehicle

Use a jack to lift the front of the vehicle and support it with jack stands.
Remove the front wheels using a socket set.

3. Inspect and Replace CV Joints (if necessary)

Inspect CV Joints:
- Check for torn boots or play in the joints.
Replace CV Joint:
- If damage is found, remove the axle nut and disconnect the CV joint from the hub.
- Remove the axle from the transmission.
- Install the new CV joint by reversing the removal process.
- Torque the axle nut to the manufacturer’s specifications (typically around 150-185 ft-lbs).

4. Replace Sway Bar Links and Bushings (if necessary)

Remove Old Sway Bar Links:
- Use a wrench to hold the sway bar link while loosening the nut.
- Remove the sway bar link from both the sway bar and control arm.
Install New Sway Bar Links:
- Attach the new sway bar links to the sway bar and control arm.
- Torque the nuts to manufacturer specifications (generally 30-40 ft-lbs).

5. Reassemble and Lower the Vehicle

Reinstall the front wheels and hand-tighten the lug nuts.
Lower the vehicle and torque the lug nuts to the manufacturer's specifications (usually 76-83 ft-lbs).