how to fix Ford Explorer Sixth Generation (2020-present) rough shifting issues

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

541 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 rough shifting issues in the Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Rough or harsh shifts during acceleration or deceleration
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises during shifting (e.g., clunking or grinding)
•Engine RPMs rising without corresponding vehicle speed increase
•Dashboard warning lights illuminated (e.g., Check Engine light)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify possible transmission-related issues.
2
Inspect transmission fluid level and condition; check for burnt smell or contamination.
3
Check for any visible leaks around the transmission and associated components.
4
Conduct a test drive to replicate the rough shifting and observe any patterns.
5
Inspect the throttle position sensor and mass airflow sensor for proper operation.
6
Verify the condition of the transmission control module (TCM) and connections.

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
•Fluid pump
•Transmission fluid dipstick
•Torque wrench
•Multimeter

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan

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Symptoms

•Rough or harsh shifts during acceleration or deceleration

•Delayed engagement when shifting from park to drive or reverse

•Unusual noises during shifting (e.g., clunking or grinding)

•Engine RPMs rising without corresponding vehicle speed increase

•Dashboard warning lights illuminated (e.g., Check Engine light)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify possible transmission-related issues.
2
Inspect transmission fluid level and condition; check for burnt smell or contamination.
3
Check for any visible leaks around the transmission and associated components.
4
Conduct a test drive to replicate the rough shifting and observe any patterns.
5
Inspect the throttle position sensor and mass airflow sensor for proper operation.
6
Verify the condition of the transmission control module (TCM) and connections.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, fluid pump, transmission fluid dipstick, torque wrench, multimeter.
Ensure the vehicle is parked on a level surface and the engine is off. Allow the engine to cool if it has been running.
Disconnect the negative battery terminal for safety.

2. Change Transmission Fluid

Drain Old Fluid
- Place a drain pan under the transmission pan.
- Remove the transmission pan bolts with a socket set and carefully lower the pan to drain the fluid.
Replace Transmission Filter
- Remove the old transmission filter from the valve body.
- Install the new filter, ensuring it is seated properly.
Clean the Pan
- Clean the transmission pan thoroughly to remove any debris or old gasket material.
- Inspect the magnet for metal shavings and clean it.
Reinstall the Pan
- Place a new gasket on the transmission pan and torque the bolts to manufacturer specifications (usually around 10-12 ft-lbs).
Refill New Transmission Fluid
- Use a funnel to add the recommended type and amount of transmission fluid (consult the owner's manual for specifics).
- Start the engine and cycle through all gear ranges to allow the new fluid to circulate.

3. Reprogram Transmission Control Module (if necessary)

Connect OBD-II scanner
- Reconnect the battery and use the OBD-II scanner to access the TCM settings.
Reprogram TCM
- Follow the on-screen instructions to reprogram or reset the TCM, ensuring the latest software is installed.