my Honda Pilot has a knocking noise while driving what's the cause

Honda Pilot Third Generation (2016-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

501 words

Problem Statement

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

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening any components.

Symptoms

•Knocking noise that increases with acceleration
•Vibration felt through the steering wheel or floor
•Loss of power or sluggish acceleration
•Unusual noises when turning or going over bumps
•Potential check engine light illuminated

Diagnostic Steps

1
Conduct a visual inspection of the engine and drivetrain components for loose parts.
2
Check the engine oil level and condition; look for signs of metal shavings.
3
Use an OBD-II scanner to check for any error codes related to engine performance.
4
Inspect suspension components, including struts, shocks, and mounting points for wear or damage.
5
Test drive the vehicle to replicate the knocking noise under various conditions (acceleration, braking, turning).
6
Examine the transmission fluid level and condition; look for burnt smell or discoloration.

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
•Socket set
•Torque wrench
•Jack stands
•Oil filter wrench
•Drain pan

Parts Required

•Engine oil
•Oil filter
•Transmission fluid
•Potential replacement mounts or suspension components

Related Faults

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Diagnostic Steps

1
Conduct a visual inspection of the engine and drivetrain components for loose parts.
2
Check the engine oil level and condition; look for signs of metal shavings.
3
Use an OBD-II scanner to check for any error codes related to engine performance.
4
Inspect suspension components, including struts, shocks, and mounting points for wear or damage.
5
Test drive the vehicle to replicate the knocking noise under various conditions (acceleration, braking, turning).
6
Examine the transmission fluid level and condition; look for burnt smell or discoloration.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is on a flat surface and secured with wheel chocks.
Disconnect the battery to prevent electrical shorts.

2. Inspect and Tighten Components

Tools Required: Socket set, torque wrench, jack stands.
Inspect all visible bolts and nuts in the engine and suspension areas.
Use a torque wrench to tighten any loose bolts to the manufacturer's specifications.

3. Replace Damaged Components

Tools Required: Socket set, pliers, replacement parts (e.g., engine mounts, suspension parts).
If any damaged parts are found during inspection (like engine or transmission mounts), remove the faulty parts.
Install new components, ensuring they are secured and torqued to specifications.

4. Fluid Change (if necessary)

Tools Required: Oil filter wrench, drain pan, new engine oil, new transmission fluid.
Drain old engine oil and replace the oil filter.
Refill with manufacturer-recommended oil type and quantity.
If transmission fluid is burnt or contaminated, drain and replace it with the correct fluid.

5. Final Inspection

Recheck all tightened bolts and components.
Reconnect the battery and start the engine.
Listen for any knocking noises while idling and during a test drive.