why does my Honda Accord Eleventh Generation (2023-present) brake pedal feel spongy

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a flat surface and engage the parking brake.
• Use wheel chocks to prevent movement.

2. Check and Replace Brake Fluid

• Sub-steps:
  • Open the hood and locate the brake fluid reservoir.
  • Remove the reservoir cap and check fluid level; add manufacturer-recommended brake fluid if low.
  • If fluid is contaminated (dark or milky), perform a brake fluid flush.
• Tools Required: Brake fluid, funnel, clean rags.

3. Inspect and Replace Brake Components

• Sub-steps:
  • Remove the wheel to access brake components.
  • Inspect brake pads for thickness; replace if less than 3mm.
  • Check rotors for scoring or warping; resurface or replace if necessary.
  • Replace any damaged brake lines or calipers.
• Tools Required: Socket set, brake pad spreader, torque wrench.
• Safety Warnings: Always wear gloves and safety goggles; handle brake components carefully.

4. Test Brake Booster

• Sub-steps:
  • Ensure the engine is off and pump the brake pedal until it feels firm.
  • Start the engine; the pedal should drop slightly. If it doesn’t, the brake booster may be faulty and require replacement.
• Tools Required: None.

5. Bleed Brake System

• Sub-steps:
  • Connect a brake bleeder kit to the brake bleeder valve on the farthest brake caliper from the master cylinder.
  • Open the valve and pump the brake pedal until air bubbles are no longer visible in the fluid.
  • Repeat for each caliper in the appropriate order (furthest to nearest).
• Tools Required: Brake bleeder kit, wrench.