my Toyota Corolla E170 (2013-2019) has a loud noise when I turn, what should I check?

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

595 words

Problem Statement

Learn how to diagnose and fix loud noise when turning in Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening any fluid reservoirs.

Symptoms

•Loud grinding or popping noise when turning the steering wheel
•Noise occurs during both left and right turns
•Possible vibration felt through the steering wheel
•Decreased steering responsiveness
•Fluid leaks observed under the vehicle

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the CV joints and boots.
3
Examine the steering rack and pinion assembly for leaks or damage.
4
Inspect the suspension components, including control arms and bushings, for wear or looseness.
5
Test the wheel bearings for play or noise.
6
Listen for any unusual sounds while turning the steering wheel while stationary.

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

•Funnel
•Jack
•Jack stands
•Socket set
•Wrench set
•Torque wrench
•Wheel bearing puller (if needed)

Parts Required

•Power steering fluid (specific to Toyota specifications)
•CV joint or axle assembly (if damaged)
•Steering rack (if leaking)
•Suspension components (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Check for any visible damage or wear on the CV joints and boots.
3
Examine the steering rack and pinion assembly for leaks or damage.
4
Inspect the suspension components, including control arms and bushings, for wear or looseness.
5
Test the wheel bearings for play or noise.
6
Listen for any unusual sounds while turning the steering wheel while stationary.

Solution

1. Preparation

Gather tools and parts for the repair.
Ensure the vehicle is parked on a level surface and the engine is off.
Engage the parking brake for safety.

2. Inspect and Replace Power Steering Fluid

Tools Required: Funnel, power steering fluid (specific to Toyota specifications)
Sub-steps:
1. Open the hood and locate the power steering fluid reservoir.
2. Remove the cap and check the fluid level; add fluid if low.
3. If the fluid is dark or contaminated, drain the old fluid and replace it with new fluid.

3. Inspect CV Joints and Boots

Tools Required: Jack, jack stands, and socket set
Sub-steps:
1. Lift the front of the vehicle and secure it with jack stands.
2. Inspect the CV joints for any cracks or tears in the rubber boots.
3. If damaged, replace the affected CV joint or axle assembly.

4. Check Steering Rack and Pinion

Tools Required: Wrench set
Sub-steps:
1. Inspect the steering rack for any signs of leaks or damage.
2. Tighten any loose connections on the steering rack.
3. If leaking, replace the steering rack.

5. Inspect Suspension Components

Tools Required: Socket set, torque wrench
Sub-steps:
1. Check the control arms, bushings, and mounts for wear.
2. Tighten any loose bolts and replace worn components as necessary.
3. Ensure all nuts and bolts are torqued to manufacturer specifications.

6. Check Wheel Bearings

Tools Required: Wheel bearing puller (if needed), socket set
Sub-steps:
1. Raise the vehicle and remove the front wheels.
2. Spin the hub to check for any roughness or noise.
3. If the bearings are faulty, replace them as necessary.