my Ford Explorer transmission is slipping between gears what could be wrong

Ford Explorer Sixth Generation (2020-present)

Error Codes

3-5 hours

Time

medium

Difficulty

high

Severity

3 min read

536 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. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the engine is cool before working on the transmission.
•Use gloves and safety glasses when handling transmission fluid, as it can be harmful to skin.

Symptoms

•Slipping sensation during acceleration
•Delayed or harsh shifting between gears
•Unusual engine RPM fluctuations
•Warning light illuminated on the dashboard
•Fluid leaks under the vehicle
•Burning smell from the transmission area

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle's onboard computer for any trouble codes using an OBD-II scanner.
3
Inspect for external leaks around the transmission pan and seals.
4
Conduct a visual inspection of the transmission wiring and connectors for damage.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Verify the operation of the throttle position sensor as it affects shifting.

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
•Transmission funnel
•Fluid pump

Parts Required

•Transmission fluid
•Transmission filter
•Gasket
•Solenoids (if needed)

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Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle's onboard computer for any trouble codes using an OBD-II scanner.
3
Inspect for external leaks around the transmission pan and seals.
4
Conduct a visual inspection of the transmission wiring and connectors for damage.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Verify the operation of the throttle position sensor as it affects shifting.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to prevent any electrical issues.

2. Check and Change Transmission Fluid

Tools Required: Transmission funnel, fluid pump, new transmission fluid (if needed).
Remove the transmission dipstick and check the fluid level and condition.
If the fluid is low or dirty, drain the old fluid and replace it with manufacturer-recommended fluid.
Reinsert the dipstick and check the level again after filling.

3. Replace Transmission Filter

Tools Required: Socket set, torque wrench, new transmission filter, gasket, and transmission fluid.
Remove the transmission pan by loosening the bolts and carefully prying it off.
Replace the old filter with a new one, ensuring it is seated properly.
Clean the pan and install a new gasket before reassembling the pan and tightening bolts to manufacturer torque specifications.

4. Inspect and Replace Solenoids (if necessary)

Tools Required: Socket set, multimeter, replacement solenoids.
Remove the transmission pan again to access solenoids.
Disconnect the electrical connectors and remove the solenoids.
Test the solenoids with a multimeter; replace any that do not meet specifications.
Reinstall the new solenoids and pan as previously described.

5. Reconnect Battery and Test

Reconnect the battery terminals.
Start the vehicle and allow it to reach operating temperature.
Check for any leaks and ensure the transmission operates smoothly.