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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

552 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 issues in Ford Explorer Fifth Generation (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 battery before working on electrical systems.
•Allow engine to cool before opening any components related to the transmission.

Symptoms

•Engine revs without corresponding acceleration
•Delayed engagement when shifting from park to drive/reverse
•Unusual noises (grinding or whining) during shifting
•Transmission warning light illuminated on the dashboard
•Poor fuel economy
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related issues.
2
Check the transmission fluid level and condition; look for discoloration or a burnt smell.
3
Inspect the transmission filter for clogging or damage.
4
Examine the transmission fluid lines for leaks or blockages.
5
Assess the condition of the transmission control module (TCM) and any related electrical connections.
6
Test the transmission solenoids for proper operation using a multimeter.

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
•Multimeter
•Transmission fluid pump

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter
•Gasket for transmission pan (if needed)
•Transmission solenoids (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related issues.
2
Check the transmission fluid level and condition; look for discoloration or a burnt smell.
3
Inspect the transmission filter for clogging or damage.
4
Examine the transmission fluid lines for leaks or blockages.
5
Assess the condition of the transmission control module (TCM) and any related electrical connections.
6
Test the transmission solenoids for proper operation using a multimeter.

Solution

1. Preparation

Gather tools and parts required.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check fluid level.
2. If low, add the manufacturer-recommended transmission fluid (e.g., Mercon LV).
3. If fluid is burnt or contaminated, proceed to a complete fluid change.
  - Tools Required: Socket set, transmission fluid pump.
  - Safety Warnings: Allow the engine to cool before working on the transmission.

3. Replace Transmission Filter

Sub-steps:
1. Drain the transmission fluid into a suitable container.
2. Remove the transmission pan bolts using a socket wrench.
3. Carefully detach the pan and remove the old filter.
4. Install the new filter and reattach the transmission pan with a new gasket.
  - Torque Specification: 10-12 ft-lbs for pan bolts.

4. Inspect and Test Transmission Solenoids

Sub-steps:
1. Access the transmission solenoids by removing the necessary components (refer to the service manual).
2. Disconnect the electrical connectors from each solenoid.
3. Use a multimeter to test for continuity; replace any faulty solenoids.
  - Safety Warnings: Ensure the battery is disconnected before working on electrical components.

5. Reconnect and Test

Sub-steps:
1. Reconnect the battery and fill the transmission with new fluid to the recommended level.
2. Start the engine and allow it to warm up, then cycle through the gears.
3. Check for leaks and ensure smooth shifting operation.