why does my Toyota Corolla E170 (2013-2019) make a loud noise when hitting bumps

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

483 words

Problem Statement

Learn how to diagnose and fix loud noise when hitting bumps in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Ensure the vehicle is securely lifted and stable before performing any work.

Symptoms

•Loud clunking or banging noise when driving over bumps
•Diminished ride comfort or harshness felt in the cabin
•Possible uneven tire wear
•Excessive body roll during turns
•Visible signs of wear or damage on suspension components

Diagnostic Steps

1
Inspect the suspension components for any visible damage or wear, including struts, shocks, control arms, and bushings.
2
Check for loose or damaged hardware securing suspension parts.
3
Perform a bounce test on each corner of the vehicle to assess shock absorber effectiveness.
4
Examine the wheel wells for any debris or foreign objects impacting the suspension.
5
Test drive the vehicle over bumps to replicate the noise and determine its origin.

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

•Jack
•Jack stands
•Lug wrench
•Socket set
•Torque wrench
•Impact wrench (if available)

Parts Required

•Replacement struts or shocks (if applicable)
•Suspension bushings (if applicable)
•Mounting hardware (if needed)

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Diagnostic Steps

1
Inspect the suspension components for any visible damage or wear, including struts, shocks, control arms, and bushings.
2
Check for loose or damaged hardware securing suspension parts.
3
Perform a bounce test on each corner of the vehicle to assess shock absorber effectiveness.
4
Examine the wheel wells for any debris or foreign objects impacting the suspension.
5
Test drive the vehicle over bumps to replicate the noise and determine its origin.

Solution

1. Preparation

Gather necessary tools and parts.
Lift the vehicle using a jack and secure it with jack stands.
Ensure the vehicle is on a flat surface for safety.

2. Inspect Suspension Components

Sub-steps:
- Remove the wheel to gain access to the suspension.
- Visually inspect the struts and shocks for leaking fluid or physical damage.
- Check control arms and bushings for cracks or excessive play.
Tools Required: Jack, jack stands, lug wrench.

3. Replace Damaged Components

Sub-steps:
- If any struts or shocks are found to be damaged, remove them by loosening the mounting bolts and detach the strut from the knuckle.
- Replace with new components, ensuring proper alignment and torque specifications (typically around 40-60 lb-ft, check manufacturer specs).
- Reattach the wheel and lower the vehicle.
Tools Required: Socket set, torque wrench, impact wrench (if available).

4. Tighten or Replace Loose Hardware

Sub-steps:
- Inspect all mounting hardware for tightness; retighten as necessary.
- Replace any worn or stripped bolts with new ones to ensure secure attachment.
Tools Required: Socket set, torque wrench.