Brakes
Medium
90 Minutes

How to replace brake pads 2018 Honda Accord

How to Replace Brake Pads 2018 Honda Accord

Quick Answer

Replacing brake pads on a 2018 Honda Accord is a DIY-friendly job for those with basic mechanical skills and tools. The core process involves lifting the car, accessing the brake caliper, swapping old pads for new ones, and securing components to manufacturer specs. Key notes: Rear pad replacement requires retracting the electronic parking brake (EPB) piston via the vehicle’s service mode or a scan tool, and all torque specs must be verified using the 2018 Honda Accord service manual. Bedding new pads post-installation is critical for optimal performance and longevity.

Before You Start

  • Rotor Inspection: Check rotors for scoring, warping, or thickness below the minimum stamped on the rotor edge. Replace or resurface rotors if needed to avoid premature pad wear.
  • Front vs. Rear Differences: Rear pads require handling the EPB system, which adds a specific retraction step (detailed below). Front pads follow a simpler piston compression process.
  • Fluid Level Prep: Siphon excess brake fluid from the master cylinder reservoir before compressing caliper pistons to prevent overflow.
  • Parking Brake Setup: Engage the manual parking brake for front pad replacement. For rear pads, activate EPB service mode first (see steps below).
  • Lifting Safety: Always use jack stands to support the car—never rely solely on a hydraulic jack.

Tools and Parts

Required Tools

  • Hydraulic jack + 4 jack stands (2-ton minimum rating)
  • Lug wrench (19mm for 2018 Accord lug nuts)
  • Socket set (14mm/17mm for caliper slide bolts; confirm exact sizes via service manual)
  • C-clamp (front piston compression) or caliper piston screw-in tool (rear EPB pistons)
  • Brake cleaner spray
  • Anti-seize compound (for caliper slide bolts)
  • Brake lubricant (for pad backs and caliper bracket shims)
  • Torque wrench (critical for precise bolt tightening)
  • Wire/bungee cord (to hang calipers without straining brake hoses)
  • Scan tool (optional, for EPB service mode if dashboard procedure fails)

Recommended Parts

  • 2018 Honda Accord-specific brake pads:
    • Front: OEM part #45022-TVA-A01; aftermarket options (Akebono ProACT, Wagner ThermoQuiet) are compatible.
    • Rear: OEM part #43022-TVA-A01; match to your trim’s EPB system.
  • DOT 3 brake fluid (for topping off reservoir)
  • Optional: Rotor resurfacing kit, caliper slide pin boots (if damaged)

Step-by-Step Replacement

Front Brake Pad Replacement

  1. Prep the Car: Park on flat ground. Loosen (don’t remove) front lug nuts with a lug wrench. Engage the parking brake.
  2. Lift and Secure: Position the jack under the front frame rails (marked in the owner’s manual), lift the car, and place jack stands under the frame. Remove front wheels.
  3. Access the Caliper: Use a socket wrench to remove the two caliper slide bolts. Hang the caliper from the suspension with a wire—never let it hang by the brake hose.
  4. Remove Old Pads: Pull out old pads and shims from the caliper bracket. Clean the bracket with brake cleaner.
  5. Compress Piston: Place a C-clamp over the caliper (fixed end on caliper housing, movable end on the outer piston). Tighten slowly to push the piston fully into the caliper bore. Check the master cylinder fluid level periodically to avoid overflow.
  6. Install New Pads: Apply brake lubricant to the back of new pads and bracket shims. Insert pads and shims into the bracket.
  7. Reassemble: Lower the caliper over the pads. Reinstall slide bolts, apply anti-seize to threads, and torque to service manual specs (typically 34 ft-lbs for front, verify first).
  8. Finalize: Reinstall wheels, hand-tighten lug nuts, lower the car, and torque lug nuts to 108 ft-lbs in a star pattern. Repeat on the other front wheel.

Rear Brake Pad Replacement (With Electronic Parking Brake)

  1. Activate EPB Service Mode: Turn ignition to ON (engine off). Press and hold the brake pedal, then press and hold the EPB switch for 5 seconds until you hear a beep. The parking brake indicator will flash to confirm service mode.
  2. Prep and Lift: Loosen rear lug nuts, lift the car, secure with jack stands, and remove rear wheels.
  3. Access Caliper: Remove slide bolts, hang caliper with a wire, and remove old pads/shims. Clean the bracket.
  4. Retract Rear Piston: Use a caliper piston screw-in tool to turn the piston clockwise while pushing it into the bore (do not use a C-clamp—this can damage the EPB mechanism).
  5. Install New Pads: Apply lubricant to pad backs and shims, then insert into the bracket.
  6. Reassemble: Lower the caliper, reinstall slide bolts, torque to service manual specs (typically 28 ft-lbs for rear, verify first).
  7. Deactivate Service Mode: Press and hold the brake pedal, then press and hold the EPB switch until you hear two beeps. This extends pistons to contact new pads.
  8. Finalize: Reinstall wheels, torque lug nuts to 108 ft-lbs in a star pattern. Repeat on the other rear wheel.

Bedding New Pads

After installation, bed pads to ensure proper seating:

  • Drive to 30 mph, apply firm (non-emergency) brakes to slow to 5 mph. Repeat 5–7 times, allowing 1 minute of cooling between stops. Avoid full stops during bedding.
  • Let brakes cool completely before normal driving.

Common Mistakes to Avoid

  • Skipping Rotor Checks: Worn rotors cause uneven pad wear, noise, or vibration.
  • Incorrect Piston Retraction: Using a C-clamp on rear EPB pistons damages the electronic mechanism—always use a screw-in tool.
  • Over-Tightening Bolts: Stripped threads or warped calipers can result. Always use a torque wrench.
  • Forgetting Lubrication: Skipping brake lubricant on pad backs or shims leads to squealing brakes.
  • Ignoring Fluid Overflow: Compressing pistons pushes fluid back into the reservoir—siphon excess first to prevent leaks.

Fitment or Diagnostic Notes

  • Pad Compatibility: Ensure pads are labeled for 2018 Honda Accord (front vs. rear, trim-specific if needed). Aftermarket pads may vary in noise or wear rate—research reviews before purchasing.
  • Rotor Minimum Thickness: Stamped on the rotor edge; typically 22mm (front) and 18mm (rear) for 2018 Accord (verify via service manual). Replace rotors if below this threshold.
  • Spongy Pedal: Indicates air in the hydraulic system—bleed brakes to remove air.
  • EPB Troubleshooting: If the dashboard service mode procedure fails, use a scan tool to retract pistons.

Safety Precautions

  • Never Work Under an Unsupported Car: Jack stands are non-negotiable—hydraulic jacks can fail unexpectedly.
  • Brake Fluid Safety: Brake fluid is corrosive and flammable. Wear gloves and safety glasses, avoid contact with skin, paint, or hot components.
  • Lug Nut Torque: Improperly torqued nuts can cause wheel failure. Always use a torque wrench.

When to Stop and Call a Professional

  • You notice brake fluid leaking from calipers or lines.
  • The caliper is seized or won’t move freely.
  • EPB service mode can’t be activated (even with a scan tool).
  • Brakes squeal, pulse, or have reduced stopping power post-installation.
  • Rotors are severely warped or scored beyond resurfacing.
  • You’re uncomfortable bleeding the brake system or working with hydraulic components.

Required Parts

No specific parts linked to this guide.