how to diagnose a torque converter problem in Volkswagen Golf MK7.5 (2020-Present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the battery.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  • Remove the transmission fluid pan using a socket set.
  • Allow old fluid to drain completely into a suitable container.
  • Replace the transmission filter if equipped.
  • Reinstall the pan with a new gasket, torquing the bolts to the manufacturer’s specifications.
  • Fill the transmission with new fluid, ensuring it is the correct type (usually VW G052162A2 for VW models).

3. Replace Torque Converter

• Sub-steps:
  • Remove the drive axles if necessary for clearance.
  • Unbolt the torque converter from the flex plate (usually requires rotating the engine).
  • Remove the transmission from the engine by unbolting it from the bellhousing.
  • Carefully extract the torque converter from the transmission.
  • Install the new torque converter by aligning it with the transmission input shaft and securing it to the flex plate.
  • Reinstall the transmission and torque to the specified bolts.

4. Reconnect and Test

• Sub-steps:
  • Reconnect the battery and check all electrical connections.
  • Start the vehicle and check for leaks.
  • Test drive the vehicle to ensure proper operation of the torque converter and transmission.