why do my brakes make a grinding noise on my Honda Accord

Honda Accord 9th Generation (2013-2017)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

459 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 noise in brakes on Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely supported on jack stands before working underneath.
•Allow the brakes to cool before inspection or repair to avoid burns.

Symptoms

•Grinding noise when brakes are applied
•Vibration in the brake pedal
•Decreased braking performance
•Warning light illuminated on the dashboard
•Visible wear on brake pads or rotors

Diagnostic Steps

1
Inspect the brake pads for wear; measure their thickness.
2
Check the rotors for scoring, warping, or excessive wear.
3
Examine the brake calipers for proper operation and any signs of sticking.
4
Inspect brake hardware (shims, clips) for damage or corrosion.
5
Scan for any brake-related error codes using an OBD-II scanner.

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 or rope

Parts Required

•New brake pads
•New rotors
•Brake lubrication grease

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Diagnostic Steps

1
Inspect the brake pads for wear; measure their thickness.
2
Check the rotors for scoring, warping, or excessive wear.
3
Examine the brake calipers for proper operation and any signs of sticking.
4
Inspect brake hardware (shims, clips) for damage or corrosion.
5
Scan for any brake-related error codes using an OBD-II scanner.

Solution

1. Preparation

Gather all necessary tools and parts.
Lift the vehicle using a jack and secure it on jack stands.
Remove the wheel covering the affected brake assembly.

2. Inspect and Remove Brake Pads

Sub-steps:
1. Remove the caliper bolts using a socket set.
2. Carefully slide the caliper off the rotor and support it with a bungee cord or rope (do not let it hang on the brake line).
3. Remove the old brake pads from the caliper bracket.
4. Inspect the brake pads for thickness; replace if worn below manufacturer's specifications (usually 3 mm or less).

3. Inspect and Replace Rotors (if necessary)

Sub-steps:
1. Remove the caliper bracket by loosening the bolts.
2. Slide off the rotor; if it's stuck, tap gently with a hammer.
3. Measure rotor thickness and check for warping with a dial indicator.
4. If warped or below minimum thickness, replace the rotor with a new one.
5. Clean the new rotor with brake cleaner before installation.

4. Reassemble Braking Components

Sub-steps:
1. Reinstall the caliper bracket and torque bolts to manufacturer specifications (typically around 25-35 ft-lbs).
2. Install new brake pads into the caliper bracket.
3. Reattach the caliper over the brake pads and torque caliper bolts (usually 20-25 ft-lbs).
4. Reinstall the wheel and lower the vehicle from jack stands.

5. Final Checks

Sub-steps:
1. Pump the brake pedal several times to seat the pads against the rotor.
2. Check the brake fluid level in the reservoir and add fluid if necessary.

Tools Required:

Jack and jack stands
Socket set
Torque wrench
Brake cleaner
Bungee cord or rope

Parts Required:

New brake pads
New rotors (if needed)
Brake lubrication grease (for caliper slides)

Estimated Repair Time: 1-3 hours

Safety Warnings:

Always ensure the vehicle is securely supported on jack stands before working underneath.
Allow the brakes to cool before inspection or repair to avoid burns.