how to fix the transmission slipping in my 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

595 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 the battery before working on electrical systems.
•Allow the engine to cool before opening the transmission system.

Symptoms

•Slipping or hesitation when shifting gears
•Unusual engine revving without corresponding acceleration
•Warning lights illuminated on the dashboard (e.g., check engine light)
•Fluid leaks under the vehicle
•Poor fuel economy
•Transmission overheating

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related faults.
2
Check the transmission fluid level and condition (look for discoloration or a burnt smell).
3
Inspect the transmission fluid for leaks or contamination.
4
Assess the condition of the transmission filter for clogs or restrictions.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Evaluate the vehicle’s throttle position sensor (TPS) for accurate readings.

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
•Funnel
•Fluid catch pan
•Multimeter

Parts Required

•Transmission fluid (as per manufacturer specifications)
•Transmission filter (if applicable)
•Transmission solenoids (if faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related faults.
2
Check the transmission fluid level and condition (look for discoloration or a burnt smell).
3
Inspect the transmission fluid for leaks or contamination.
4
Assess the condition of the transmission filter for clogs or restrictions.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Evaluate the vehicle’s throttle position sensor (TPS) for accurate readings.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, funnel, fluid catch pan, multimeter
Disconnect the negative battery terminal to prevent electrical shorts.
Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission fluid dipstick and check the fluid level. If low, add the appropriate type of transmission fluid (consult owner’s manual).
2. If the fluid is dirty or burnt, drain the old fluid using a fluid catch pan. Locate the drain plug and remove it (ensure to properly dispose of the old fluid).
3. Replace the transmission filter if applicable. Remove any retaining bolts and carefully pull off the old filter. Install the new filter, ensuring it is seated properly.
4. Reinstall the drain plug and torque to manufacturer specifications.
5. Fill the transmission with new fluid through the dipstick tube using a funnel. Refer to the owner's manual for the correct fluid type and capacity.
6. Start the engine and let it idle. Shift through all gears to circulate the new fluid.

3. Inspect and Test Transmission Solenoids

Sub-steps:
1. Access the transmission solenoids by removing the transmission pan (if applicable). Ensure to drain any remaining fluid first.
2. Use a multimeter to test the solenoid resistance according to manufacturer specifications.
3. Replace any solenoids that are not functioning properly by disconnecting the electrical connector and unbolting the solenoid.
4. Install new solenoids and reassemble the transmission pan, ensuring a proper seal with a new gasket.

4. Reconnect Battery and Test Drive

Reconnect the negative battery terminal.
Test drive the vehicle to monitor for any slipping or abnormal shifting behavior.