my Ford Explorer Sixth Generation (2020-present) transmission feels like it’s slipping

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

566 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 issues in 2020-present Ford Explorer. Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the engine to cool before working on the transmission.
•Always use caution when handling hot fluids and components.

Symptoms

•Transmission hesitation during acceleration
•Unusual engine revving without corresponding vehicle acceleration
•Delayed or harsh shifting between gears
•Check engine light illuminated
•Fluid leaks under the vehicle
•Burning smell from the transmission area

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the transmission.
2
Check the transmission fluid level and condition using the dipstick.
3
Inspect the transmission fluid for contamination or burnt smell.
4
Look for any visible leaks around the transmission seals and pan.
5
Perform a road test to assess shifting behavior and slipping under load.
6
Verify that the transmission control module (TCM) and associated wiring are functioning correctly.

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
•Transmission fluid dipstick
•Clean rags
•Torque wrench

Parts Required

•Transmission fluid (as specified by manufacturer)
•Transmission filter (if applicable)
•Seals for the transmission (if replacement needed)

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the transmission.
2
Check the transmission fluid level and condition using the dipstick.
3
Inspect the transmission fluid for contamination or burnt smell.
4
Look for any visible leaks around the transmission seals and pan.
5
Perform a road test to assess shifting behavior and slipping under load.
6
Verify that the transmission control module (TCM) and associated wiring are functioning correctly.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, transmission fluid dipstick, clean rags, torque wrench.
Instructions:
- Park the vehicle on a level surface and engage the parking brake.
- Gather all necessary tools and parts for the repair.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Start the engine and allow it to reach normal operating temperature.
2. Use the transmission dipstick to check the fluid level; add the specified fluid if low.
3. If the fluid is dark or smells burnt, prepare to replace it.
4. Place a drain pan under the transmission and remove the drain plug (if equipped) to drain the old fluid.
5. Replace the transmission filter (if applicable) by removing the transmission pan.
6. Reinstall the transmission pan and tighten the bolts to the manufacturer's torque specifications.
7. Refill the transmission with new fluid as per the manufacturer's specifications through the dipstick tube.

3. Inspect and Replace Seals

Sub-steps:
1. Inspect the transmission seals for wear or leaks.
2. If seals are damaged, drain the transmission fluid again.
3. Remove the transmission pan and replace the seals.
4. Reassemble the pan and refill with new fluid as described in the previous step.

4. TCM and Wiring Check

Sub-steps:
1. Inspect the wiring harness for any frayed or damaged wires leading to the TCM.
2. Use the OBD-II scanner to check for TCM-related error codes.
3. If necessary, replace the TCM or repair any damaged wiring as required.