why is my Ford Explorer Sixth Generation (2020-present) transmission slipping when accelerating

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

547 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 slipping in Ford Explorer Sixth Generation. 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 the vehicle to cool before working on the transmission to avoid burns.

Symptoms

•Transmission slips or hesitates during acceleration
•Unusual engine revving without corresponding vehicle speed increase
•Delayed or harsh shifting between gears
•Check engine light may be illuminated
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; look for discoloration or a burnt smell.
3
Inspect for any visible leaks around the transmission pan and seals.
4
Test the transmission fluid pressure using a pressure gauge.
5
Check the condition of the transmission filter for clogs or damage.
6
Inspect the transmission control module (TCM) for any faults or updates.

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
•Pressure gauge
•Funnel
•Fluid pump

Parts Required

•Transmission fluid (as per specifications)
•Transmission filter
•Transmission pan gasket
•Transmission control module (if necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; look for discoloration or a burnt smell.
3
Inspect for any visible leaks around the transmission pan and seals.
4
Test the transmission fluid pressure using a pressure gauge.
5
Check the condition of the transmission filter for clogs or damage.
6
Inspect the transmission control module (TCM) for any faults or updates.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface with the parking brake engaged.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Tools Required: Funnel, fluid pump, transmission fluid (as specified in the owner’s manual)
Remove the transmission dipstick or fill plug and check fluid level.
If low, add the correct type of transmission fluid until it reaches the proper level.
If fluid is dirty or burnt, drain the transmission fluid and replace it with new fluid.

3. Inspect and Replace Transmission Filter

Tools Required: Socket set, new transmission filter and gasket
Remove the transmission pan by unbolting it and carefully prying it off.
Remove the old filter and replace it with a new one, ensuring it seats properly.
Clean the pan and install a new gasket before reattaching.

4. Reprogram or Replace Transmission Control Module (if necessary)

Tools Required: OBD-II scanner, access to TCM software updates
If codes indicate TCM issues, attempt to reprogram the module using the OBD-II scanner.
If problems persist, replace the TCM with a new unit following manufacturer instructions.

5. Reassemble and Test

Reinstall the transmission pan and ensure all bolts are torqued to manufacturer specifications.
Reconnect the negative battery terminal.
Test drive the vehicle to ensure the transmission operates smoothly without slipping.