how to solve the problem of my Toyota Corolla E170 (2013-2019) grinding brakes

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

563 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix grinding 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 ensure the vehicle is securely supported on jack stands before working underneath.
•Allow brake components to cool before touching them to prevent burns.

Symptoms

•Grinding noise when braking
•Vibration or pulsation in the brake pedal
•Reduced braking efficiency
•Warning light on the dashboard (if applicable)
•Increased stopping distance

Diagnostic Steps

1
Inspect brake pads for wear; measure thickness with a caliper.
2
Check brake rotors for scoring or damage; look for uneven surfaces.
3
Examine brake calipers for proper operation and signs of sticking.
4
Inspect brake fluid level and condition; look for contamination.
5
Verify that all mounting hardware and components are secure and not worn.

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
•Lug wrench
•Socket set
•Torque wrench
•Brake pad gauge
•Cleaning supplies

Parts Required

•Brake pads
•Brake rotors (if needed)
•Brake fluid

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Diagnostic Steps

1
Inspect brake pads for wear; measure thickness with a caliper.
2
Check brake rotors for scoring or damage; look for uneven surfaces.
3
Examine brake calipers for proper operation and signs of sticking.
4
Inspect brake fluid level and condition; look for contamination.
5
Verify that all mounting hardware and components are secure and not worn.

Solution

1. Preparation

Tools Required: Jack and jack stands, lug wrench, socket set, torque wrench, brake pad gauge, and cleaning supplies.
Safely lift the vehicle using a jack and secure it with jack stands.
Remove the wheel to access the brake components.

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the caliper bolts using a socket wrench and carefully slide the caliper off the rotor.
2. Remove the old brake pads from the caliper bracket.
3. Compare the thickness of the old pads with new pads; if below 3mm, replace.
4. Clean the caliper bracket and apply brake grease to the back of the new pads.
5. Install the new brake pads into the caliper bracket and reattach the caliper.

3. Inspect and Replace Brake Rotors (if necessary)

Sub-steps:
1. Measure the rotor thickness with a caliper; if below minimum specifications, replace.
2. If rotors are scored, remove them by undoing the retaining screws and sliding them off the hub.
3. Install new rotors, ensuring they are clean and free of contaminants.
4. Secure the rotors with the retaining screws and torque to manufacturer specifications.

4. Brake Fluid Check and Replacement

Sub-steps:
1. Inspect the brake fluid reservoir; if low or contaminated, replace fluid.
2. Use a brake bleeder kit to flush the brake system.
3. Fill the reservoir with the manufacturer's recommended brake fluid type.

5. Reassemble and Torque

Sub-steps:
1. Reattach the wheel and hand-tighten the lug nuts.
2. Lower the vehicle and torque the lug nuts to the manufacturer's specification.
3. Pump the brake pedal a few times to seat the pads before driving.