what are the signs of a failing torque converter in Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

550 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix signs of a failing torque converter in Ford Explorer (2020-present). Step-by-step guide with symptoms and repair instructions.

Affected Component

Transmission

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the transmission.

Symptoms

•Slipping transmission during acceleration
•Unusual noises such as whining or grinding from the transmission
•Overheating transmission
•Engine stalling or rough idling when in gear
•Poor fuel economy
•Delayed or harsh shifting when changing gears

Diagnostic Steps

1
Scan the vehicle's computer with an OBD-II scanner for any error codes related to the transmission or torque converter.
2
Check the transmission fluid level and condition; look for signs of discoloration or burnt smell.
3
Inspect the torque converter and transmission fluid lines for leaks or damage.
4
Test the engine RPMs while driving to see if they increase disproportionately compared to vehicle speed, indicating slippage.
5
Perform a stall test to assess the torque converter's lock-up function and performance.
6
Check the electrical connections to the torque converter clutch solenoid for corrosion or damage.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Torque wrench
•Transmission fluid drain pan
•Jack and jack stands

Parts Required

•New torque converter
•Transmission fluid
•Transmission filter (if applicable)

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Diagnostic Steps

1
Scan the vehicle's computer with an OBD-II scanner for any error codes related to the transmission or torque converter.
2
Check the transmission fluid level and condition; look for signs of discoloration or burnt smell.
3
Inspect the torque converter and transmission fluid lines for leaks or damage.
4
Test the engine RPMs while driving to see if they increase disproportionately compared to vehicle speed, indicating slippage.
5
Perform a stall test to assess the torque converter's lock-up function and performance.
6
Check the electrical connections to the torque converter clutch solenoid for corrosion or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety during the repair.
Raise the vehicle using a jack and secure it with jack stands.

2. Drain Transmission Fluid

Place a drain pan under the transmission pan.
Remove the transmission pan bolts using a socket wrench.
Allow the old transmission fluid to drain completely.

3. Remove Torque Converter

Remove the transmission from the engine by unbolting it from the engine block.
Disconnect any electrical connectors and fluid lines attached to the transmission.
Carefully slide the transmission back to access the torque converter.
Unbolt the torque converter from the flexplate.

4. Install New Torque Converter

Align the new torque converter with the input shaft and slide it into place.
Secure it to the flexplate with the specified torque (usually around 30-35 ft-lbs, check manufacturer specifications).
Reinstall the transmission by sliding it forward until it fully engages with the engine.

5. Refill Transmission Fluid

Replace the transmission pan and secure it with bolts.
Refill the transmission with the appropriate type and amount of fluid (usually Mercon LV for Ford).
Start the engine and allow it to run while checking for leaks and proper fluid levels.

6. Final Checks

Reconnect the battery.
Take the vehicle for a test drive to ensure proper operation of the transmission and torque converter.