how to diagnose transmission problems in 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

511 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 problems in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, 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 vehicle to cool before working on the transmission.

Symptoms

•Erratic or harsh shifting during gear changes
•Transmission slipping or losing power during acceleration
•Unusual noises such as grinding or whining from the transmission
•Fluid leaks under the vehicle
•Warning lights illuminated on the dashboard (e.g., check engine light)
•Delayed engagement when shifting from park to drive or reverse

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning smell.
3
Check for any visible leaks around the transmission pan and seals.
4
Test the transmission range sensor for proper operation using a multimeter.
5
Conduct a road test to replicate symptoms while monitoring transmission performance.
6
Inspect the wiring and connectors associated with the transmission control module.

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
•Torque wrench
•Fluid catch pan

Parts Required

•Transmission filter (if applicable)
•Gasket for the transmission pan
•Transmission fluid (specified type)

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Symptoms

•Erratic or harsh shifting during gear changes

•Transmission slipping or losing power during acceleration

•Unusual noises such as grinding or whining from the transmission

•Fluid leaks under the vehicle

•Warning lights illuminated on the dashboard (e.g., check engine light)

•Delayed engagement when shifting from park to drive or reverse

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning smell.
3
Check for any visible leaks around the transmission pan and seals.
4
Test the transmission range sensor for proper operation using a multimeter.
5
Conduct a road test to replicate symptoms while monitoring transmission performance.
6
Inspect the wiring and connectors associated with the transmission control module.

Solution

1. Preparation

Gather tools and materials required for the repair.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Disconnect the battery to prevent electrical shorts or shocks.

2. Fluid Change

Sub-steps:
1. Place a drain pan under the transmission pan.
2. Remove the transmission pan bolts using a socket set and carefully lower the pan.
3. Discard the old fluid and clean the pan with a lint-free cloth.
4. Replace the transmission filter if applicable.
5. Install a new gasket on the transmission pan.
6. Reattach the pan and torque the bolts to the manufacturer’s specifications (usually around 12-15 ft-lbs).

3. Sensor Replacement (if needed)

Sub-steps:
1. Locate the transmission range sensor.
2. Disconnect the electrical connector and remove the mounting bolts.
3. Install the new sensor and securely fasten it.
4. Reconnect the electrical connector.

4. Electrical Inspection

Sub-steps:
1. Inspect wiring harness for any signs of damage or corrosion.
2. Use a multimeter to check for continuity in the transmission control module wiring.
3. Repair or replace any damaged wires or connectors.