my Skoda Octavia NFL (2020-Present) has a loud clunking noise when shifting, what’s wrong?

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and engage the parking brake.
• Disconnect the battery to ensure electrical safety.

2. Inspect and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, funnel, socket set, torque wrench.
• Remove the transmission drain plug and allow fluid to drain into a pan.
• Inspect the drained fluid for metal shavings or discoloration.
• Replace with manufacturer-recommended transmission fluid (check owner's manual for specifications).
• Reinstall the drain plug and torque to manufacturer specifications (typically around 30 Nm).

3. Inspect and Replace Transmission Mounts

• Tools Required: Socket set, jack, jack stands.
• Raise the vehicle securely using jack stands.
• Locate the transmission mounts and inspect for cracks or deterioration.
• Remove the bolts securing the mounts to the transmission and the chassis.
• Replace with new mounts and torque bolts to specifications.

4. Inspect Drivetrain Components

• Tools Required: Socket set, pry bar.
• Check all U-joints and CV joints for play or damage.
• If any component is worn, remove the affected joint and replace it with a new one, ensuring it is properly greased.

5. Test the Clutch Operation (if applicable)

• Tools Required: Clutch alignment tool, socket set.
• If the clutch is suspected to be the cause, remove the transmission to access the clutch assembly.
• Inspect the clutch disc and pressure plate for wear.
• Replace if necessary and reassemble the transmission ensuring proper alignment.