why does my Honda Accord's engine make a knocking noise

Solution

1. Preparation

• Tools Required: OBD-II scanner, mechanic's stethoscope, socket set, oil catch pan, torque wrench.
• Safety Warnings: Disconnect the battery before working on the engine. Allow the engine to cool before inspection.

2. Change Engine Oil and Filter

• Sub-steps:
  1. Raise the vehicle using a jack and secure it with jack stands.
  2. Place an oil catch pan under the oil pan and remove the drain plug to drain the old oil.
  3. Replace the oil filter with a new one using an oil filter wrench.
  4. Reinstall the drain plug and tighten it to the manufacturer's specified torque.
  5. Fill the engine with new oil, using the recommended type and capacity.

3. Inspect and Replace Worn Components

• Sub-steps:
  1. If rod knock is suspected, remove the oil pan and inspect the connecting rods and bearings.
  2. Replace any worn bearings or connecting rods as necessary, ensuring proper torque specifications are followed during reassembly.
  3. If timing components are worn, replace the timing belt or chain according to the manufacturer's service schedule.

4. Repair or Replace Engine Mounts

• Sub-steps:
  1. Inspect engine mounts for cracks or excessive wear.
  2. If necessary, remove the bolts securing the engine mounts and lift the engine slightly to replace them.
  3. Install the new mounts and torque the bolts to the specified values.