how to fix transmission slipping in Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

561 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 (2020-present). Step-by-step guide with symptoms, diagnostic steps, 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

Symptoms

•Engine revs without acceleration
•Harsh or delayed shifting between gears
•Warning lights illuminated on the dashboard
•Unusual noises (grinding or whining) during shifting
•Decreased fuel efficiency
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner for any diagnostic trouble codes (DTCs)
2
Check the transmission fluid level and condition; look for discoloration or burnt smell
3
Inspect the transmission filter and fluid for any blockages or contamination
4
Examine the transmission wiring and connectors for damage or corrosion
5
Test the transmission solenoids for proper operation using a multimeter
6
Perform a road test to reproduce slipping symptoms and note conditions (e.g., speed, temperature)

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
•Fluid pump

Parts Required

•Transmission fluid
•Transmission filter
•Solenoid (if faulty)

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner for any diagnostic trouble codes (DTCs)
2
Check the transmission fluid level and condition; look for discoloration or burnt smell
3
Inspect the transmission filter and fluid for any blockages or contamination
4
Examine the transmission wiring and connectors for damage or corrosion
5
Test the transmission solenoids for proper operation using a multimeter
6
Perform a road test to reproduce slipping symptoms and note conditions (e.g., speed, temperature)

Solution

1. Preparation

Gather necessary tools and parts. Ensure the vehicle is parked on a level surface and the engine is cool.
Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, fluid pump.
Parts Required: Transmission fluid, transmission filter, solenoid (if faulty).

2. Check and Replace Transmission Fluid

Sub-steps:
1. Raise the vehicle using jack stands for access to the transmission pan.
2. Locate the transmission fluid dipstick or fill plug.
3. Remove the transmission pan bolts using a socket wrench, and carefully lower the pan to drain the fluid.
4. Inspect the gasket; replace it if worn or damaged.
5. Install a new filter, ensuring it is seated correctly.
6. Reattach the transmission pan, tightening the bolts to the manufacturer’s specified torque.
7. Refill the transmission with the appropriate type and amount of fluid through the dipstick or fill plug.

3. Inspect and Replace Solenoids (if necessary)

Sub-steps:
1. Disconnect the battery to prevent electrical shock.
2. Remove the transmission pan again to access the solenoids.
3. Disconnect the wiring harness from the solenoids and remove them from their mounting.
4. Install the new solenoids in reverse order, ensuring proper alignment.
5. Reconnect the wiring harness securely.

4. Verify Fluid Level and Test Drive

Sub-steps:
1. Start the engine and let it idle until it reaches operating temperature.
2. Shift through all gears, pausing in each to allow fluid circulation.
3. Check the transmission fluid level using the dipstick and add fluid as necessary.
4. Perform a road test to ensure proper operation and check for any slipping.