how to diagnose transmission slipping in my Tesla Outback 5th Generation (2015-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface.
• Disconnect the battery to avoid any electrical shorts.
• Safety warning: Allow the engine to cool before working on the transmission.

2. Inspect and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, socket set, torque wrench
• Check the transmission fluid level using the dipstick.
• If low, add the recommended fluid type per the owner's manual.
• If the fluid is dark or smells burnt, proceed to drain and replace it:
  1. Remove the transmission pan bolts using a socket wrench.
  2. Carefully lower the pan and drain the old fluid into a suitable container.
  3. Clean the transmission pan and replace the filter if applicable.
  4. Reinstall the pan with a new gasket and torque bolts to manufacturer specifications.
  5. Refill the transmission with new fluid through the dipstick tube.

3. Repair or Replace Transmission Components

• Tools Required: Socket set, torque wrench, multimeter
• If the transmission is still slipping after fluid replacement:
  1. Inspect the transmission solenoids for proper function using a multimeter.
  2. Replace any faulty solenoids as needed.
  3. If issues persist, consider consulting a professional for further internal inspection or potential rebuild.