The largest online repair guide library for every car

About us
Contact support
FAQ
Sign up
Sign in

Articles

2017 Honda Accord Sport Humming/Grinding Noise When Accelerating

By ClearTheCode · Published 2026-05-26 · ~6 min read

Diagnose humming or grinding noises in your 2017 Honda Accord Sport during acceleration. Learn common causes like wheel bearings, CV joints, and transmission issues, plus step-by-step troubleshooting.

At a glance

Difficulty
6/10 — Moderate
Est. repair cost
$100 – $900 (parts + typical shop labor)
OEM tooling
Standard OBD-II scanner and hand tools
Common symptoms
  • Noise changes with speed: The pitch or intensity of the humming/grinding may increase or decrease with vehicle speed.
  • Noise changes during turns: A failing wheel bearing might become louder when turning in one direction
  • while a CV joint
  • Vibrations: You might feel vibrations through the steering wheel
  • floorboard
  • or even the seat

At a glance: difficulty, repair cost, and diagnostic workflow

  • Difficulty Rating: 6/10 — Moderate
  • Common Symptoms: Noise changes with speed: The pitch or intensity of the humming/grinding may increase or decrease with vehicle speed.; Noise changes during turns: A failing wheel bearing might become louder when turning in one direction, while a CV joint ; Vibrations: You might feel vibrations through the steering wheel, floorboard, or even the seat, which can indicate an im; Loose steering or wandering: Worn wheel bearings can sometimes lead to a less precise steering feel.
  • Estimated Repair Cost: $100–$900 (parts + typical shop labor)
  • OEM Tooling Required: Standard OBD-II scanner and hand tools

Diagnostic workflow:

  1. Confirm the symptom on your vehicle.
  2. Scan for stored or pending codes with an OBD-II tool.
  3. Inspect the most common causes in this guide (visual checks first).
  4. Run verification tests before replacing parts.
  5. Repair, clear codes, and verify on a test drive.

Quick answer

A humming or grinding noise in your 2017 Honda Accord Sport during acceleration often points to issues with rotating components. The most common culprits are worn wheel bearings, failing CV (constant velocity) joints, or internal transmission problems. Given a recent transmission fluid change, it's crucial to verify the fluid type and level, as incorrect fluid or an improper fill can also induce new noises.

Symptoms you may notice

Beyond the primary humming or grinding noise during acceleration, several other symptoms might accompany the problem. These can help narrow down the potential cause and severity of the issue.

  • Noise changes with speed: The pitch or intensity of the humming/grinding may increase or decrease with vehicle speed.
  • Noise changes during turns: A failing wheel bearing might become louder when turning in one direction, while a CV joint often clicks or grinds more noticeably during turns, especially under acceleration.
  • Vibrations: You might feel vibrations through the steering wheel, floorboard, or even the seat, which can indicate an imbalance or worn component.
  • Loose steering or wandering: Worn wheel bearings can sometimes lead to a less precise steering feel.
  • Clunking or popping sounds: These are more indicative of severely worn CV joints or suspension components.
  • Burning smell: In rare cases, severe transmission issues or seized components could generate a burning odor.

How to verify and confirm

Verifying the source of a noise requires careful observation and systematic checks. A road test is often the first step, followed by a thorough inspection of the vehicle's underside.

  1. Road Test: Drive the vehicle at varying speeds and loads. Note when the noise occurs (e.g., only on acceleration, coasting, turning left/right). Try to replicate the conditions where the noise is most prominent.
  2. Listen for changes: Does the noise change when you let off the accelerator? Does it change when you gently apply the brakes? Does it change when you turn the steering wheel sharply left or right?
  3. Check fluid levels and condition: Since the transmission fluid was recently changed, verify the fluid level is correct according to the owner's manual. Also, ensure the correct Honda-specific fluid (e.g., Honda DW-1) was used. Incorrect fluid can cause significant issues.
  4. Inspect CV boots: Visually check the rubber boots on both inner and outer CV joints for tears, cracks, or signs of grease leakage. Damaged boots allow dirt and moisture in, leading to joint failure.
  5. Lift and inspect: Safely lift the vehicle on a hoist or jack stands. Check for wheel bearing play by grabbing the wheel at 12 and 6 o'clock, then 3 and 9 o'clock, and trying to rock it. Any significant play indicates a worn bearing.
  6. Spin wheels by hand: With the vehicle safely lifted, spin each wheel by hand and listen for any grinding or roughness from the wheel bearing.

Common causes (most likely first)

Identifying the most probable cause helps streamline the diagnostic process. For a 2017 Honda Accord Sport experiencing humming or grinding during acceleration, these are the most frequent culprits.

  • Worn Wheel Bearings: These are a very common source of humming or grinding noises that change with vehicle speed. A failing bearing can produce a low-pitched hum that often gets louder as speed increases and may change when turning. The noise typically originates from one corner of the vehicle.
  • Failing CV Joints (Axle Shafts): The constant velocity joints, particularly the inner joints, can cause grinding or humming noises during acceleration, especially if they are worn or damaged. If the outer CV joint is failing, you might hear a clicking or popping sound when turning sharply.
  • Transmission Issues: Even after a fluid change, transmission problems can manifest as humming or grinding. This could be due to:
    • Incorrect Fluid Type: Using non-Honda specific transmission fluid can lead to improper lubrication and premature wear.
    • Incorrect Fluid Level: Both overfilling and underfilling can cause issues, leading to cavitation, overheating, or insufficient lubrication.
    • Pre-existing Internal Wear: The fluid change might have dislodged debris or simply coincided with the natural failure of internal components like bearings, planetary gears, or the torque converter.
  • Differential Problems (part of transaxle): In front-wheel-drive vehicles like the Accord, the differential is integrated into the transaxle. Worn differential gears or bearings can produce a whine or grind that changes with acceleration and deceleration.
  • Power Steering Pump/System: While less common for a

ClearTheCode is a research and catalog tool, not professional automotive advice. Verify procedures and torque specs in OEM service information before working on your vehicle.

This guide is not a substitute for OEM service procedures; use a qualified technician for safety-critical repairs.

Frequently asked questions

How urgent is this problem?

If symptoms are worsening or safety systems are affected, diagnose soon; minor issues can often wait for a scheduled service visit.

Can I drive with this issue?

Short trips may be acceptable for some faults, but stop driving if you notice overheating, loss of braking, steering problems, or strong fuel smells.

Do I need a dealer scan tool?

A basic OBD-II scanner helps confirm codes; some steps still need visual checks and meter tests described above.

Helpful links

On ClearTheCode

Have a different issue? Calculate your repair cost

Menu

Help & account