why does my Ford Explorer Sixth Generation (2020-present) transmission slip during acceleration

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

572 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 during acceleration in Ford Explorer (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 the engine and transmission to cool before working on them to prevent burns.

Symptoms

•Transmission hesitates or delays when shifting
•Engine revs without corresponding acceleration
•Check engine light illuminated
•Unusual noises from the transmission (grinding or whining)
•Decreased fuel efficiency
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle’s onboard diagnostic system using an OBD-II scanner to check for error codes.
2
Inspect the transmission fluid level and condition; look for discoloration or burnt smell.
3
Examine the transmission fluid for metal shavings or debris, indicating internal wear.
4
Check for any visible leaks around the transmission pan or seals.
5
Test the transmission system with a pressure gauge to assess operational pressure.
6
Perform a road test to observe shifting patterns and confirm symptoms.

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
•Transmission funnel
•Fluid catch pan
•Socket set
•Torque wrench
•Multimeter

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Gasket for transmission pan
•Transmission solenoids (if faulty)

Related Faults

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Diagnostic Steps

1
Scan the vehicle’s onboard diagnostic system using an OBD-II scanner to check for error codes.
2
Inspect the transmission fluid level and condition; look for discoloration or burnt smell.
3
Examine the transmission fluid for metal shavings or debris, indicating internal wear.
4
Check for any visible leaks around the transmission pan or seals.
5
Test the transmission system with a pressure gauge to assess operational pressure.
6
Perform a road test to observe shifting patterns and confirm symptoms.

Solution

1. Preparation

Gather necessary tools and materials.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to prevent any electrical shorts during repair.

2. Check and Replace Transmission Fluid

Tools Required: Transmission funnel, fluid catch pan, socket set.
Remove the transmission fill plug and check fluid level.
If low, use a funnel to add the appropriate type of transmission fluid as specified in the owner's manual.
If fluid is dirty or burnt, proceed to drain and replace it.
Place a catch pan under the transmission pan and remove the pan bolts.
Allow old fluid to drain completely and inspect the pan for debris.
Clean the pan and replace the filter if applicable.
Reinstall the pan with new gasket, torque bolts to specified values.
Refill the transmission through the fill hole with new fluid.

3. Inspect Transmission Components

Tools Required: Torque wrench, multimeter.
Remove the transmission from the vehicle if necessary for deeper inspection.
Check the torque converter for signs of failure or wear.
Inspect solenoids and wiring harness for faults using a multimeter.
Replace any damaged components as needed.

4. Reassemble and Test

Reinstall the transmission and reconnect all electrical connectors.
Reconnect the battery and start the vehicle.
Conduct a road test to ensure proper shifting and acceleration.