how to fix the transmission slipping issue in a Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

3-5 hours

Time

medium

Difficulty

high

Severity

4 min read

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

Symptoms

•Engine revs without an increase in speed
•Delayed or harsh shifting between gears
•Unusual noises (grinding or whining) from the transmission
•Check engine light illuminated
•Fluid leaks under the vehicle
•Poor fuel economy

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any transmission-related codes.
2
Inspect the transmission fluid level and condition (color and smell).
3
Check for any visible leaks around the transmission.
4
Test the transmission control module (TCM) for proper operation.
5
Inspect the transmission filter for blockages or contamination.
6
Verify the condition of the transmission mounts and linkage.

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
•Transmission fluid pump
•Funnel
•Torque wrench
•Socket set
•Gasket scraper
•Screwdriver set

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter
•Gasket for transmission pan
•Transmission control module (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any transmission-related codes.
2
Inspect the transmission fluid level and condition (color and smell).
3
Check for any visible leaks around the transmission.
4
Test the transmission control module (TCM) for proper operation.
5
Inspect the transmission filter for blockages or contamination.
6
Verify the condition of the transmission mounts and linkage.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and securely supported with jack stands.
Disconnect the battery to ensure safety.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check fluid level.
2. If low, add the appropriate type of transmission fluid (Mercon LV) gradually until the correct level is reached.
3. If fluid is dirty or smells burnt, proceed to drain and replace.
Tools Required:
- Transmission fluid pump
- Funnel
- Torque wrench

3. Replace Transmission Filter

Sub-steps:
1. Remove the transmission pan by loosening the bolts and gently prying it off.
2. Drain the old fluid from the pan and clean it thoroughly.
3. Remove the old filter and install the new one, ensuring it is seated properly.
4. Reinstall the pan with a new gasket, tightening bolts to the manufacturer's specified torque settings.
Tools Required:
- Socket set
- Gasket scraper
- Torque wrench

4. Inspect and Replace Transmission Control Module (if necessary)

Sub-steps:
1. Locate the TCM, typically found near the transmission.
2. Disconnect the electrical connector and remove the module.
3. Install the new TCM by reversing the removal process and reconnecting the electrical connector.
Tools Required:
- Screwdriver set
- Torque wrench

5. Test Drive and Adjust

Sub-steps:
1. Reconnect the battery and start the vehicle.
2. Shift through all gears to ensure smooth operation.
3. Take the vehicle for a test drive to verify that the slipping issue has been resolved.
Safety Warnings:
- Ensure the vehicle is in park or neutral before starting.
- Be cautious of hot surfaces if the engine has been running.