why is my Ford Explorer Fifth Generation (2011-2019) transmission slipping

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 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 (2011-2019). Step-by-step guide with diagnostic procedures 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 on the transmission to prevent burns.

Symptoms

•Engine RPM increases without a corresponding increase in vehicle speed
•Delayed or harsh shifting during acceleration
•Unusual noises (grinding or whining) from the transmission
•Fluid leaks under the vehicle
•Check engine light illuminated
•Sudden loss of power during acceleration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; inspect for burn smell or dark coloration.
3
Inspect the transmission fluid cooler lines for leaks or damage.
4
Conduct a visual inspection of the transmission pan for signs of leaks or metal shavings.
5
Test the transmission pressure using a gauge to determine if it meets manufacturer's specifications.
6
Check the condition of the transmission filter and its installation.

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 pump
•Drain pan

Parts Required

•Transmission fluid (specific to Ford specifications)
•Transmission filter
•Gasket for transmission pan

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; inspect for burn smell or dark coloration.
3
Inspect the transmission fluid cooler lines for leaks or damage.
4
Conduct a visual inspection of the transmission pan for signs of leaks or metal shavings.
5
Test the transmission pressure using a gauge to determine if it meets manufacturer's specifications.
6
Check the condition of the transmission filter and its installation.

Solution

1. Preparation

Gather tools and materials: OBD-II scanner, socket set, torque wrench, transmission fluid, transmission filter, fluid pump, and a drain pan.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent electrical issues.

2. Fluid Change

Drain the Transmission Fluid:
- Remove the transmission pan bolts using a socket set.
- Carefully lower the pan and allow the fluid to drain into the drain pan.
Replace the Transmission Filter:
- Remove the old transmission filter from the valve body.
- Install the new filter, ensuring it is properly seated.
Clean the Transmission Pan:
- Remove any old gasket material from the pan and the transmission housing.
- Clean the pan thoroughly to remove debris.
Reinstall the Transmission Pan:
- Place a new gasket on the pan.
- Reattach the pan, tightening the bolts to the manufacturer’s torque specifications (usually around 10-12 ft-lbs).

3. Fluid Refill

Using a fluid pump, refill the transmission with the appropriate type of transmission fluid (consult the owner’s manual for specifications).
Start the engine and shift through all gears, then check fluid levels again and top off if necessary.

4. Test Drive

Reconnect the battery and take the vehicle for a test drive.
Monitor for any slipping or unusual noises during operation.