how do I fix a transmission slipping issue in my Ford Explorer Fifth Generation (2011-2019)?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

573 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, diagnostics, 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 avoid burns.

Symptoms

•Transmission slips during acceleration
•Delayed or harsh shifting
•Check engine light illuminated
•Fluid leaks under the vehicle
•Unusual noises when shifting (grinding or whining)

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan for error codes using an OBD-II scanner to identify any transmission-related codes.
3
Inspect the transmission fluid for contamination (burnt smell or metal particles).
4
Examine the transmission filter for clogs or damage.
5
Test the transmission control module (TCM) for proper function and signals.
6
Inspect wiring and connectors related to the transmission for damage or corrosion.

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
•Funnel
•Multimeter
•Electrical connector cleaner
•Transmission fluid pump
•Jack stands

Parts Required

•Transmission fluid (manufacturer recommended type)
•Transmission filter
•Gasket for transmission pan

Related Faults

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Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan for error codes using an OBD-II scanner to identify any transmission-related codes.
3
Inspect the transmission fluid for contamination (burnt smell or metal particles).
4
Examine the transmission filter for clogs or damage.
5
Test the transmission control module (TCM) for proper function and signals.
6
Inspect wiring and connectors related to the transmission for damage or corrosion.

Solution

1. Preparation

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

2. Check and Replace Transmission Fluid

Tools Required: Funnel, transmission fluid pump, jack stands.
Instructions:
1. Raise the vehicle using jack stands and ensure it's securely supported.
2. Remove the transmission pan using a socket set to access the fluid.
3. Drain the old fluid into a suitable container.
4. Replace the transmission filter by removing the old one and installing the new filter.
5. Clean the transmission pan and replace the gasket to prevent leaks.
6. Reinstall the pan and torque the bolts to manufacturer specifications (typically around 10-12 ft-lbs).
7. Using a funnel, refill the transmission with the correct type and amount of fluid (refer to owner's manual).

3. Inspect and Repair Wiring/Connectors

Tools Required: Multimeter, electrical connector cleaner.
Instructions:
1. Visually inspect the wiring harness connected to the transmission for frays or damage.
2. Use a multimeter to test the continuity of the wiring.
3. Clean any corroded connectors with electrical cleaner.
4. Repair or replace any damaged wiring or connectors as necessary.

4. Reprogram Transmission Control Module (if necessary)

Tools Required: OBD-II scanner.
Instructions:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Follow the scanner’s prompts to reset or reprogram the TCM if there were any error codes related to transmission performance.
3. Clear any stored codes and perform a test drive to ensure proper operation.