how to fix transmission slipping in Ford Explorer Fifth Generation (2011-2019)?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

3-5 hours

Time

medium

Difficulty

high

Severity

3 min read

560 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 (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Transmission

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before working on the transmission.

Symptoms

•Engine revs without corresponding acceleration
•Delayed engagement when shifting gears
•Sudden loss of power during acceleration
•Unusual noises (grinding or whining) when changing gears
•Check engine light activated

Diagnostic Steps

1
Scan the vehicle’s onboard diagnostics (OBD-II) system for error codes.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect for any visible leaks around the transmission.
4
Test the transmission solenoids and wiring for electrical issues.
5
Perform a road test to replicate the slipping and note conditions (e.g., speed, temperature).
6
Check the condition of the transmission filter.

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 dipstick
•Funnel

Parts Required

•Transmission fluid (Dexron VI or as specified)
•Transmission filter kit
•Transmission solenoids (if faulty)

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Diagnostic Steps

1
Scan the vehicle’s onboard diagnostics (OBD-II) system for error codes.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect for any visible leaks around the transmission.
4
Test the transmission solenoids and wiring for electrical issues.
5
Perform a road test to replicate the slipping and note conditions (e.g., speed, temperature).
6
Check the condition of the transmission filter.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to ensure safety during repairs.
Elevate the vehicle using jack stands securely.

2. Check Transmission Fluid

Tools Required: Transmission dipstick, funnel.
Remove the dipstick and check the fluid level.
If low, add the recommended transmission fluid (Dexron VI or as specified in the owner's manual).
Inspect the fluid for dirt or burnt smell. If the fluid is discolored, a full fluid change may be necessary.

3. Replace Transmission Filter

Tools Required: Socket set, torque wrench, new transmission filter kit.
Remove the transmission pan bolts and carefully lower the pan to avoid spilling fluid.
Remove the old filter and install the new filter as per the manufacturer’s instructions.
Reinstall the transmission pan and torque the bolts to the specified value (usually around 10-12 ft-lbs).

4. Inspect and Test Transmission Solenoids

Tools Required: Multimeter, basic hand tools.
Disconnect the electrical connector from each solenoid.
Use a multimeter to measure resistance; compare readings to manufacturer specifications.
Replace any faulty solenoids as needed.

5. Refill Transmission Fluid

Tools Required: Funnel, new transmission fluid.
After replacing the filter and solenoids, reinstall the transmission pan.
Refill the transmission with the appropriate fluid through the dipstick tube.
Start the engine and cycle through all gears with the brake applied to ensure proper fluid circulation.

6. Final Check

Reconnect the battery.
Start the engine and let it warm up.
Perform a test drive to ensure the transmission functions smoothly without slipping.