why does my Honda Accord shake when I brake

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

506 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 shaking during braking in Honda Accord. Step-by-step guide with diagnostic procedures 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 brake components to cool before handling.

Symptoms

•Vibration felt in the steering wheel or brake pedal when braking
•Pulsation in the brake pedal
•Uneven wear on brake pads or rotors
•Noise such as grinding or squeaking during braking
•Vehicle drifts to one side when braking

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a micrometer.
2
Check brake pads for thickness and signs of uneven wear.
3
Examine suspension components (e.g., control arms, bushings) for damage or wear.
4
Verify wheel alignment and balance using an alignment machine.
5
Test for a malfunctioning brake caliper by checking for proper operation and fluid leaks.
6
Scan for any ABS-related error codes with 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

•Socket set
•Torque wrench
•Micrometer
•Jack and jack stands
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors (if warped or damaged)

Related Faults

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Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a micrometer.
2
Check brake pads for thickness and signs of uneven wear.
3
Examine suspension components (e.g., control arms, bushings) for damage or wear.
4
Verify wheel alignment and balance using an alignment machine.
5
Test for a malfunctioning brake caliper by checking for proper operation and fluid leaks.
6
Scan for any ABS-related error codes with an OBD-II scanner.

Solution

1. Preparation

Gather tools and materials required for the repair.
Park the vehicle on a level surface and engage the parking brake.
Gather safety equipment (gloves, goggles).

2. Remove Wheel

Use a socket set to loosen lug nuts while the vehicle is still on the ground.
Lift the vehicle with a jack and secure it with jack stands.
Remove the lug nuts and take off the wheel.

3. Inspect and Replace Brake Components

A. Inspect Rotors

Check the brake rotors for warping using a micrometer; replace if warped beyond specifications (typically 0.002 inches).
If rotors are within specs, consider resurfacing if they are uneven.

B. Replace Brake Pads

Remove the caliper by unscrewing the caliper bolts; support it to avoid stress on the brake line.
Remove old brake pads from the caliper bracket.
Install new brake pads, ensuring they are properly seated.

4. Reassemble Components

Reattach the caliper over the new brake pads and tighten the caliper bolts to manufacturer's specifications (usually 20-25 ft-lbs).
Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle from the jack stands and torque the lug nuts to the specified value (usually 80-100 ft-lbs).

5. Final Inspection

Before test driving, check all connections and ensure no tools are left in the engine bay or wheel wells.