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Home/Cars/Honda/Civic/9th Generation (2012-2015)/my Honda Civic 9th Generation (2012-2015) engine makes a knocking noise what should I do

my Honda Civic 9th Generation (2012-2015) engine makes a knocking noise what should I do

Honda Civic 9th Generation (2012-2015)

Severity: highDifficulty: medium2-4 hours
3 min read
511 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 Civic 9th Generation (2012-2015). Step-by-step guide with diagnostic procedures and repair instructions.

Component
Engine
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect 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
  • •Increased oil consumption
  • •Check engine light illuminated

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to identify any logged issues.
  2. 2Check engine oil level and condition; look for signs of contamination or low levels.
  3. 3Inspect the engine’s physical components for visible damage or wear, including belts and pulleys.
  4. 4Perform a compression test on each cylinder to assess engine health.
  5. 5Check the valve adjustment to ensure they are within specifications.
  6. 6Inspect the timing chain/belt for wear or misalignment.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is on a level surface and the engine is cool.
  • Disconnect the battery to prevent any electrical issues during repair.

2. Engine Oil Change

  • Sub-steps:
    1. Place an oil drain pan under the oil pan.
    2. Remove the oil drain plug using a socket wrench and allow old oil to drain completely.
    3. Replace the oil drain plug with a new washer and torque it to manufacturer specifications.
    4. Remove the old oil filter using an oil filter wrench and install a new oil filter, applying a thin layer of oil to the rubber O-ring.
    5. Refill the engine with the recommended oil type and quantity.

3. Inspect and Replace Components

  • Sub-steps:
    1. If compression test results indicate low pressure, remove the cylinder head.
    2. Inspect piston rings and cylinder walls for wear or damage; replace as necessary.
    3. Check for any damaged timing chain/belt components and replace them if required.
    4. Reassemble the engine components, ensuring all bolts are torqued to specifications.

4. Valve Adjustment

  • Sub-steps:
    1. Remove the valve cover.
    2. Use a feeler gauge to check the clearance of each valve and adjust as necessary according to specifications.
    3. Reinstall the valve cover with a new gasket to prevent leaks.

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
  • Oil filter wrench
  • Torque wrench
  • Compression tester
  • Feeler gauge

Parts Required

  • Engine oil (recommended type)
  • Oil filter
  • Valve cover gasket
  • Piston rings (if necessary)
  • Timing chain/belt components (if necessary)

Additional Information

Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

5 items

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