my Honda Accord 10th Generation (2018-2022) engine is making a knocking noise

Honda Accord 8th Generation (2008-2012)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

654 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix engine knocking noise in Honda Accord 10th Generation (2018-2022). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

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 or tapping noise from the engine compartment
•Loss of engine power or performance
•Engine misfires or rough idling
•Check engine light illuminated
•Increased oil consumption
•Unusual vibrations while the engine is running

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any potential fault codes related to engine performance.
2
Inspect engine oil level and condition; low or dirty oil can contribute to engine noise.
3
Check for loose components such as heat shields, engine mounts, or other accessories that may be causing noise.
4
Perform a visual inspection of the engine for signs of wear, damage, or leaks that could indicate a more serious issue.
5
Listen for noise changes while revving the engine to determine if the noise is consistent or varies with engine speed.
6
Conduct a compression test on the cylinders to assess the internal condition of the engine.

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
•Oil filter wrench
•Oil catch pan
•Multimeter

Parts Required

•Engine oil (0W-20)
•Oil filter

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any potential fault codes related to engine performance.
2
Inspect engine oil level and condition; low or dirty oil can contribute to engine noise.
3
Check for loose components such as heat shields, engine mounts, or other accessories that may be causing noise.
4
Perform a visual inspection of the engine for signs of wear, damage, or leaks that could indicate a more serious issue.
5
Listen for noise changes while revving the engine to determine if the noise is consistent or varies with engine speed.
6
Conduct a compression test on the cylinders to assess the internal condition of the engine.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety.
Allow the engine to cool completely before starting work.

2. Inspect and Change Engine Oil

Step 1: Remove the oil drain plug using a socket set and drain the old oil into a suitable container.
Step 2: Replace the oil filter with a new one; use an oil filter wrench to remove the old filter and lubricate the rubber gasket of the new filter before installation.
Step 3: Reinstall the oil drain plug and torque it to the manufacturer's specification (typically around 20-30 ft-lbs).
Step 4: Fill the engine with the correct type and amount of new oil (consult the owner’s manual for specifications, usually 0W-20 for Honda Accord).

3. Tighten or Replace Loose Components

Step 1: Inspect all accessible bolts and nuts in the engine compartment for tightness; use a torque wrench to tighten any loose fasteners to the specified torque.
Step 2: If any components, such as heat shields or brackets, are damaged or excessively worn, replace them as necessary.

4. Inspect Internal Engine Components

Step 1: If knocking persists, further disassemble the engine by removing the valve cover to check for any visible signs of damage or wear on the valvetrain components.
Step 2: Inspect the timing chain/belt and look for excessive slack or wear.
Step 3: If required, remove the oil pan to check the crankshaft and connecting rods for damage or wear.

5. Reassemble and Test

Step 1: Reinstall all components removed during the inspection, ensuring all bolts are torqued to specifications.
Step 2: Reconnect the negative battery terminal.
Step 3: Start the engine and listen for any remaining noises while monitoring for leaks.