why is my Toyota Corolla E170 (2013-2019) rear brakes making noise?

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 words

Problem Statement

Learn how to diagnose and fix noisy rear brakes on your 2013-2019 Toyota Corolla E170. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components.
•Allow the brakes to cool before handling to avoid burns.

Symptoms

•Squeaking or squealing noise when braking
•Grinding noise when brakes are applied
•Vibration in the brake pedal
•Reduced braking performance
•Brake warning light illuminated on the dashboard

Diagnostic Steps

1
Inspect the brake pads for wear; measure thickness to determine if they need replacement.
2
Check the brake rotors for scoring, warping, or uneven surfaces.
3
Examine the brake calipers for proper operation and look for any signs of sticking or leaks.
4
Inspect the brake hardware (shims, clips, and springs) for damage or corrosion.
5
Use an OBD-II scanner to check for any related error codes that might indicate brake-related issues.

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
•Brake cleaner
•Bungee cord

Parts Required

•Brake pads
•Brake rotors (if necessary)
•Brake hardware kit (if necessary)

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Diagnostic Steps

1
Inspect the brake pads for wear; measure thickness to determine if they need replacement.
2
Check the brake rotors for scoring, warping, or uneven surfaces.
3
Examine the brake calipers for proper operation and look for any signs of sticking or leaks.
4
Inspect the brake hardware (shims, clips, and springs) for damage or corrosion.
5
Use an OBD-II scanner to check for any related error codes that might indicate brake-related issues.

Solution

1. Preparation

Gather necessary tools and parts.
Lift the rear of the vehicle using a jack and secure it with jack stands.
Remove the rear wheels to access the brake assembly.

2. Remove Brake Components

Sub-steps:
1. Remove the caliper bolts using a socket wrench.
2. Carefully slide the caliper off the brake rotor and support it with a bungee cord to avoid straining the brake line.
3. Take out the brake pads from the caliper bracket.
4. Remove the caliper bracket by unscrewing the bolts.

3. Inspect and Replace Parts

Sub-steps:
1. Check the brake pads; replace if they are worn down to the minimum thickness (usually around 3mm).
2. Inspect the brake rotors; replace if there are deep grooves or if they are below the minimum thickness specification.
3. Clean the caliper and bracket with brake cleaner to remove dust and debris.
4. Replace any damaged hardware (shims, clips, or springs).

4. Reassemble

Sub-steps:
1. Install the new brake pads into the caliper bracket.
2. Reattach the caliper bracket and tighten bolts to the manufacturer’s torque specification (usually around 79 ft-lbs).
3. Slide the caliper back over the brake pads and secure it with the caliper bolts, tightening them to the specified torque (usually around 25 ft-lbs).
4. Reinstall the rear wheels and lower the vehicle.

5. Final Checks

Sub-steps:
1. Pump the brake pedal a few times to ensure the brake pads seat properly against the rotor.
2. Check brake fluid level in the reservoir and top off if necessary.