my Skoda Octavia NFL (2020-Present) is making a rumbling noise when idling

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to prevent electrical short circuits.

2. Inspect and Replace Engine Mounts

• Tools Required: Socket set, torque wrench
• Sub-steps:
  1. Locate the engine mounts (usually found at the front, rear, and sides of the engine).
  2. Use a socket set to remove the bolts securing the engine mounts.
  3. Lift the engine slightly using a jack with a wooden block to relieve pressure on the mounts.
  4. Remove the old mounts and inspect for cracks or signs of wear.
  5. Install new engine mounts ensuring proper alignment.
  6. Torque the bolts to the manufacturer’s specifications (typically between 50-70 Nm, check service manual for exact values).

3. Inspect and Repair Exhaust System

• Tools Required: Wrench set, exhaust hanger removal tool
• Sub-steps:
  1. Visually inspect the entire exhaust system for signs of rust, damage, or loose connections.
  2. Tighten any loose bolts or clamps found during inspection.
  3. If any part of the exhaust is damaged, remove the defective section using a wrench set, and replace it with new components.
  4. Reinstall exhaust hangers securely to minimize movement.

4. Check and Clean Intake System

• Tools Required: Screwdriver set, cleaning solution
• Sub-steps:
  1. Inspect the air intake system for debris or loose connections.
  2. Remove the air intake duct and clean it using an appropriate cleaning solution.
  3. Check the air filter and replace it if it is dirty or clogged.
  4. Reassemble the intake components ensuring all connections are tight.