why is my Honda Pilot Third Generation (2016-present) making a loud noise when accelerating?

Honda Pilot Third Generation (2016-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

502 words

Problem Statement

Learn how to diagnose and fix loud noise when accelerating in Honda Pilot. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Exhaust System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the exhaust system to cool before inspection or repair.

Symptoms

•Loud noise from the engine compartment during acceleration
•Vibration felt through the steering wheel or chassis
•Decreased acceleration performance
•Possible rattling or clunking sounds when shifting gears
•Check engine light may be illuminated

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage, particularly around the manifold and catalytic converter.
2
Check engine mounts for wear or damage.
3
Use an OBD-II scanner to identify any stored error codes that may indicate engine or transmission issues.
4
Inspect the air intake system for obstructions or loose connections.
5
Perform a visual inspection of the drive belts for wear and proper tension.
6
Test the transmission fluid level and condition.

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

•OBD-II scanner
•Jack and jack stands
•Socket set
•Torque wrench
•Belt tensioner tool

Parts Required

•Engine mounts
•Drive belts
•Exhaust gaskets or sections of exhaust pipe (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage, particularly around the manifold and catalytic converter.
2
Check engine mounts for wear or damage.
3
Use an OBD-II scanner to identify any stored error codes that may indicate engine or transmission issues.
4
Inspect the air intake system for obstructions or loose connections.
5
Perform a visual inspection of the drive belts for wear and proper tension.
6
Test the transmission fluid level and condition.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety.

2. Inspect and Repair Exhaust System

Sub-steps:
1. Lift the vehicle using a jack and secure it on jack stands.
2. Visually inspect the exhaust system for any cracks, holes, or loose connections.
3. If a leak is found, replace the damaged section of the exhaust pipe or tighten any loose clamps.
4. Replace any damaged gaskets between the exhaust manifold and the engine.
Tools Required: Jack and jack stands, socket set, wrenches, exhaust sealant (if needed).

3. Replace Worn Engine Mounts

Sub-steps:
1. Locate the engine mounts (usually found on the front and rear of the engine).
2. Remove the bolts securing the mount to the engine and frame.
3. Replace with new engine mounts, ensuring proper alignment.
4. Torque the bolts to the manufacturer's specifications (consult repair manual).
Tools Required: Socket set, torque wrench.

4. Check and Replace Drive Belts

Sub-steps:
1. Inspect the drive belts for cracks, fraying, or excessive wear.
2. If damaged, remove the old belts by loosening the tensioner.
3. Install new belts, ensuring correct routing and tension.
Tools Required: Socket set, belt tensioner tool.