how to tell if my Toyota Corolla E170 (2013-2019) struts are worn out

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

544 words

Problem Statement

Learn how to diagnose worn struts on your 2013-2019 Toyota Corolla E170. Step-by-step guide with symptoms, diagnostic steps, 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.
•Allow the vehicle to cool before working on components near the engine.

Symptoms

•Excessive bouncing after hitting bumps
•Uneven tire wear
•Vehicle swaying or leaning during turns
•Difficulty in maintaining control over rough roads
•Noticeable noise when driving over bumps (clunking or rattling sounds)
•A decrease in ride comfort and stability

Diagnostic Steps

1
Visually inspect the struts for signs of leakage or physical damage.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing the rebound.
3
Check for uneven tire wear patterns, specifically cupping or scalloping.
4
Listen for unusual noises from the struts while driving over bumps or during turns.
5
Inspect the vehicle’s ride height to see if it appears lower than normal.
6
Test drive the vehicle on a rough surface to assess handling and comfort.

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 and jack stands
•Socket set
•Torque wrench
•Screwdrivers
•Pliers

Parts Required

•New struts (front or rear depending on the inspection)
•Strut mounts (if needed)

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Diagnostic Steps

1
Visually inspect the struts for signs of leakage or physical damage.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing the rebound.
3
Check for uneven tire wear patterns, specifically cupping or scalloping.
4
Listen for unusual noises from the struts while driving over bumps or during turns.
5
Inspect the vehicle’s ride height to see if it appears lower than normal.
6
Test drive the vehicle on a rough surface to assess handling and comfort.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and ensure the engine is off.
Wear safety goggles and gloves.

2. Raise the Vehicle

Use a jack to lift the front or rear of the vehicle (depending on which struts are being inspected).
Secure the vehicle with jack stands for safety.

3. Remove the Wheel

Using a socket set, remove the lug nuts and take off the wheel to gain access to the strut assembly.

4. Inspect and Remove Strut

Check for any leaks or damage on the strut assembly.
To remove the strut:
1. Disconnect any brake line clips attached to the strut.
2. Remove the bolts connecting the strut to the steering knuckle.
3. Remove the upper strut mount bolts located under the hood.

5. Install New Strut

Position the new strut into place.
Reattach the upper strut mount bolts and tighten to the manufacturer's specifications (typically around 50 ft-lbs).
Reconnect the strut to the steering knuckle and tighten the bolts (usually around 75 ft-lbs).
Reattach brake lines and clips.

6. Reassemble Vehicle

Place the wheel back onto the hub and hand-tighten the lug nuts.
Lower the vehicle back to the ground and torque the lug nuts to the manufacturer's specifications (usually around 76 ft-lbs).

7. Final Check

Inspect the installation for any loose connections.
Ensure that the vehicle's ride height is normal.