how to troubleshoot Ford Explorer Fifth Generation (2011-2019) transmission slipping

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

619 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 troubleshoot and fix transmission slipping in Ford Explorer (2011-2019). Step-by-step guide with 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 working.

Symptoms

•Delayed engagement when shifting from park to drive or reverse
•Engine revs without corresponding vehicle acceleration
•Unusual noises (grinding or whining) during gear shifts
•Warning lights illuminated on the dashboard (such as Check Engine Light)
•Increased fuel consumption
•Transmission fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle’s computer for trouble codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission for external leaks or damaged seals.
4
Examine the transmission filter for clogs or contamination.
5
Test the transmission solenoids and wiring for proper operation.
6
Perform a road test to replicate the symptoms while monitoring engine RPM and transmission behavior.

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
•Fluid catch pan
•Funnel
•Transmission fluid
•Cleaning rags
•Multimeter

Parts Required

•Transmission fluid (as specified by manufacturer)
•Transmission filter
•New gasket (if applicable)
•Solenoids (if replacement is necessary)

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Symptoms

•Delayed engagement when shifting from park to drive or reverse

•Engine revs without corresponding vehicle acceleration

•Unusual noises (grinding or whining) during gear shifts

•Warning lights illuminated on the dashboard (such as Check Engine Light)

•Increased fuel consumption

•Transmission fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle’s computer for trouble codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission for external leaks or damaged seals.
4
Examine the transmission filter for clogs or contamination.
5
Test the transmission solenoids and wiring for proper operation.
6
Perform a road test to replicate the symptoms while monitoring engine RPM and transmission behavior.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, fluid catch pan, funnel, transmission fluid, cleaning rags.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to prevent any electrical short circuits.

2. Check and Replace Transmission Fluid

Locate the Dipstick: Open the hood and find the transmission dipstick.
Check Fluid Level: Remove the dipstick, wipe it clean, and insert it back in. Remove it again to check the fluid level.
Inspect Fluid Condition: Transmission fluid should be reddish and clear. If it’s dark or smells burnt, it needs to be replaced.
Add Fluid as Necessary: If low, add the recommended type of transmission fluid through the dipstick tube using a funnel.

3. Inspect and Replace Transmission Filter

Remove the Transmission Pan: Use a socket set to remove the bolts securing the transmission pan. Carefully lower the pan and allow fluid to drain into the catch pan.
Remove the Filter: Disconnect and replace the old transmission filter. Ensure the new filter is seated correctly.
Clean the Pan: Wipe down the transmission pan and inspect for any metal shavings or debris.
Reinstall the Pan: Use a new gasket if necessary, torque the bolts to manufacturer specifications.

4. Test Transmission Solenoids

Access the Solenoids: Depending on the configuration, you may need to remove the valve body to access the solenoids.
Testing: Use a multimeter to check the resistance of each solenoid against manufacturer specifications.
Replace Faulty Solenoids: If any solenoids are out of spec, replace them with new parts.

5. Reconnect Battery and Test Drive

Reconnect Battery: Ensure all connections are secure.
Test Drive: Take the vehicle for a short drive to test for improvements in transmission performance.