why is my Honda CR-V's engine making a loud knocking sound

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface, and the engine is cool.
• Disconnect the battery to prevent any electrical shorts.

2. Engine Oil Change

• Sub-steps:
  1. Remove the oil drain plug using a socket wrench and drain the old oil into a suitable container.
  2. Replace the oil filter using an oil filter wrench, ensuring to lubricate the new filter gasket with fresh oil.
  3. Reinstall the drain plug and torque to the manufacturer’s specifications.
  4. Fill the engine with new oil of the correct viscosity as specified in the owner’s manual.

3. Inspect and Replace Components

• Sub-steps:
  1. Inspect the timing belt/chain for tension and wear; replace if necessary.
  2. Check the condition of engine mounts; replace any that are cracked or damaged.
  3. Examine the spark plugs and ignition coils; replace any faulty components.

4. Address Internal Issues

• Sub-steps:
  1. If knocking persists, remove the oil pan to inspect connecting rod bearings for wear.
  2. Replace any worn bearings or damaged components.
  3. Reassemble the oil pan with a new gasket, torque to specifications.