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

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

519 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 the 2020 Ford Explorer. 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 the vehicle to cool before working on the transmission and fluids.

Symptoms

•Transmission slips when accelerating or changing gears
•Delayed engagement when shifting from park to drive/reverse
•Unusual engine revving without corresponding acceleration
•Warning light illuminated on the dashboard (e.g., transmission or check engine light)
•Unpleasant noises (grinding or whining) during shifting

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 (color, smell, and presence of debris).
3
Inspect the transmission fluid cooler lines for leaks or damage.
4
Examine the transmission control module (TCM) for any signs of malfunction or faulty connections.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Perform a visual inspection of the transmission for any external leaks or physical 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
•Multimeter
•Jack stands

Parts Required

•Transmission fluid (specific to Ford specifications)
•Transmission filter (if applicable)
•Transmission solenoids (if tested faulty)

Related Faults

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Symptoms

•Transmission slips when accelerating or changing gears

•Delayed engagement when shifting from park to drive/reverse

•Unusual engine revving without corresponding acceleration

•Warning light illuminated on the dashboard (e.g., transmission or check engine light)

•Unpleasant noises (grinding or whining) during shifting

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 (color, smell, and presence of debris).
3
Inspect the transmission fluid cooler lines for leaks or damage.
4
Examine the transmission control module (TCM) for any signs of malfunction or faulty connections.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Perform a visual inspection of the transmission for any external leaks or physical damage.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the battery to ensure safety while working on the electrical components.
Raise the vehicle securely on jack stands if necessary.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and wipe it clean.
2. Reinsert the dipstick and remove it again to check the fluid level.
3. If low, add the appropriate type of transmission fluid (consult owner’s manual for specifications).
4. If the fluid is dark or has a burnt smell, drain the old fluid from the transmission pan.
5. Replace the transmission filter if applicable, and refill with new transmission fluid.

3. Inspect and Replace Transmission Solenoids

Tools Required: Socket set, torque wrench, multimeter
Sub-steps:
1. Locate the transmission solenoids according to the service manual.
2. Disconnect the electrical connectors from the solenoids.
3. Remove the solenoids using the socket set.
4. Test solenoids with a multimeter for proper resistance.
5. Replace any faulty solenoids with new ones, ensuring proper torque specifications are followed.

4. Reconnect Battery and Test Drive

Sub-steps:
1. Reconnect the battery terminals securely.
2. Start the vehicle and allow it to warm up.
3. Test drive the vehicle under various conditions to assess the transmission performance.