why does my Ford Explorer Sixth Generation (2020-present) transmission jerk when shifting

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

538 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 transmission jerking in 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 battery before working on electrical systems.
•Allow engine to cool before opening the transmission system.

Symptoms

•Transmission jerks or slams during gear changes
•Delayed shifting or difficulty engaging gears
•Unusual noises during shifting (clunking or grinding sounds)
•Fluctuations in RPM during acceleration
•Check engine light may be illuminated
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle’s onboard computer using an OBD-II scanner for any stored error codes.
2
Check the transmission fluid level and condition; look for signs of contamination or burnt odor.
3
Inspect transmission mounts for wear or damage.
4
Examine the throttle position sensor (TPS) and mass airflow sensor (MAF) for proper operation.
5
Test the transmission control module (TCM) for software updates or errors.
6
Perform a road test to replicate the shifting issue and observe under different driving conditions.

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
•Fluid pump (for refilling transmission fluid)
•Jack and jack stands

Parts Required

•Transmission fluid (Ford Motorcraft MERCON LV)
•Transmission filter (if applicable)
•Transmission mounts (if damaged)

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Diagnostic Steps

1
Scan the vehicle’s onboard computer using an OBD-II scanner for any stored error codes.
2
Check the transmission fluid level and condition; look for signs of contamination or burnt odor.
3
Inspect transmission mounts for wear or damage.
4
Examine the throttle position sensor (TPS) and mass airflow sensor (MAF) for proper operation.
5
Test the transmission control module (TCM) for software updates or errors.
6
Perform a road test to replicate the shifting issue and observe under different driving conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery cable to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check fluid level.
2. If low, add the manufacturer-recommended transmission fluid (Ford Motorcraft MERCON LV).
3. If the fluid is dirty or burnt, drain the transmission fluid.
4. Replace the transmission filter if applicable.
5. Refill with new transmission fluid to the correct level.

3. Inspect and Replace Transmission Mounts

Sub-steps:
1. Raise the vehicle on jack stands and remove any underbody covers if necessary.
2. Inspect the transmission mounts for cracks or deterioration.
3. If damaged, remove the old mounts using a socket set.
4. Install new mounts and torque to manufacturer specifications.

4. Update or Reprogram the TCM

Sub-steps:
1. Using a compatible scan tool, access the TCM settings.
2. Check for available updates or reprogram the module as necessary.
3. Follow the manufacturer’s instructions for updating the software.

5. Reconnect Battery and Test

Reconnect the negative battery cable.
Start the engine and perform a test drive to ensure the transmission shifts smoothly.