what causes the torque converter to shudder in my Ford Explorer?

Solution

1. Preparation

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

2. Change Transmission Fluid

1. Drain the Fluid
   • Remove the transmission pan bolts using a socket set.
   • Allow the old fluid to drain completely into a suitable container.
2. Replace the Filter
   • Remove the old transmission filter and replace it with a new filter, ensuring it is seated correctly.
3. Install the Pan
   • Clean the pan and apply a new gasket.
   • Reinstall the pan and torque bolts to the manufacturer's specifications (typically around 10-15 ft-lbs).

3. Inspect and Replace Torque Converter (if necessary)

1. Remove Torque Converter
   • Disconnect the transmission from the engine, ensuring to support the transmission with a jack.
   • Unbolt the torque converter from the flexplate using a socket set.
2. Inspect the Converter
   • Check for signs of wear or damage; replace if necessary.
3. Install New Torque Converter
   • Align the new torque converter with the transmission and flexplate.
   • Bolt it in place and ensure it is securely fastened.

4. Refill Transmission Fluid

• Refill the transmission with new fluid through the dipstick tube, using the recommended type for the Ford Explorer (typically Mercon LV or equivalent).

5. Final Checks

• Reconnect the battery.
• Start the engine and allow it to reach operating temperature.
• Check for leaks and ensure proper fluid levels are maintained.