why is my Honda Accord 9th Generation (2013-2017) making a loud noise when accelerating

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

591 words

Problem Statement

Discover how to diagnose and fix loud noise when accelerating in Honda Accord 9th Generation (2013-2017). Step-by-step guide with tools and solutions.

Affected Component

Exhaust System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is on a flat surface and securely raised before working underneath.
•Allow the engine to cool before inspecting the exhaust system.

Symptoms

•Loud noise that increases with acceleration
•Possible vibration felt through the vehicle
•Decreased engine performance or power
•Unusual smells from the exhaust
•Check engine light illuminated

Diagnostic Steps

1
Inspect the exhaust system for any visible damage or loose components.
2
Check for any exhaust leaks around the headers, catalytic converter, and muffler.
3
Scan for error codes using an OBD-II scanner to identify any related issues.
4
Examine the drive belts for wear or damage that may cause noise.
5
Inspect engine mounts for signs of wear or failure.
6
Test drive the vehicle to replicate the noise and determine its source.

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
•OBD-II scanner
•Safety glasses
•Gloves

Parts Required

•Exhaust pipe or muffler (if damaged)
•Drive belt (if worn)
•Engine mounts (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the exhaust system for any visible damage or loose components.
2
Check for any exhaust leaks around the headers, catalytic converter, and muffler.
3
Scan for error codes using an OBD-II scanner to identify any related issues.
4
Examine the drive belts for wear or damage that may cause noise.
5
Inspect engine mounts for signs of wear or failure.
6
Test drive the vehicle to replicate the noise and determine its source.

Solution

1. Preparation

Tools Required:
- Jack and jack stands
- Socket set
- Torque wrench
- OBD-II scanner
- Safety glasses and gloves
Safety Warnings:
- Ensure the vehicle is on a flat surface and securely raised before working underneath.
- Allow the engine to cool before inspecting the exhaust system.

2. Inspect Exhaust System

Sub-steps:
1. Raise the vehicle using a jack and secure with jack stands.
2. Visually inspect the entire exhaust system from the engine to the tailpipe for any signs of damage, rust, or loose hangers.
3. Listen for hissing or popping sounds that may indicate exhaust leaks.

3. Repair or Replace Damaged Components

Sub-steps:
1. If any cracks or holes are found in the exhaust system, mark the affected areas.
2. For minor leaks, apply high-temperature exhaust tape as a temporary fix.
3. If there are significant damages, remove the damaged section using a socket set and replace it with a new exhaust component.
4. Tighten all connections to the manufacturer’s torque specifications.

4. Check and Replace Drive Belts (if applicable)

Sub-steps:
1. Inspect the drive belts for fraying or cracking.
2. If damaged, loosen the tensioner using a wrench and remove the old belt.
3. Install the new belt, ensuring it is routed correctly according to the belt diagram.
4. Reapply tension to the belt and verify it is secure.

5. Inspect and Replace Engine Mounts (if necessary)

Sub-steps:
1. Visually inspect engine mounts for cracks or separation.
2. If damaged, support the engine with a jack and remove the old mount using a socket set.
3. Install the new mount and torque to the specified value.
4. Remove the jack and check for proper engine alignment.