how to diagnose the transfer case issues in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

574 words

Problem Statement

Learn how to diagnose and fix transfer case issues 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

•Ensure the vehicle is cool to prevent burns from hot fluid.
•Disconnect the battery before working on electrical components.

Symptoms

•Difficulty shifting from 2WD to 4WD or between different drive modes
•Unusual grinding or clunking noises from the transfer case
•Illuminated warning lights on the dashboard (e.g., 'Service 4WD')
•Vibration or shuddering while driving
•Fluid leaks underneath the vehicle

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes related to the transfer case.
2
Inspect the transfer case fluid level and condition; look for contamination or signs of overheating.
3
Check for any visible leaks around the transfer case and its seals.
4
Test the electrical connections and sensors related to the transfer case, ensuring they are secure and free of corrosion.
5
Perform a road test to evaluate the vehicle's performance in different drive modes and listen for abnormal sounds.

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
•Fluid pump
•Torque wrench
•Electrical cleaner
•Screwdrivers

Parts Required

•Transfer case fluid
•Transfer case actuator (if needed)
•Gaskets or seals (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes related to the transfer case.
2
Inspect the transfer case fluid level and condition; look for contamination or signs of overheating.
3
Check for any visible leaks around the transfer case and its seals.
4
Test the electrical connections and sensors related to the transfer case, ensuring they are secure and free of corrosion.
5
Perform a road test to evaluate the vehicle's performance in different drive modes and listen for abnormal sounds.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Disconnect the battery to prevent electrical shorts.

2. Fluid Change

Sub-steps:
- Remove the drain plug from the transfer case using a socket wrench.
- Allow the old fluid to drain completely into a suitable container.
- Replace the drain plug with a new gasket; torque to manufacturer specifications.
- Using a fluid pump, fill the transfer case with the appropriate type of fluid until it reaches the fill hole.
Tools Required: Socket set, fluid pump, torque wrench
Safety Warnings: Ensure the vehicle is cool to prevent burns from hot fluid.

3. Electrical Connection Inspection

Sub-steps:
- Visually inspect the wiring harness and connectors for damage or wear.
- Clean any corroded contacts with electrical cleaner and reconnect securely.
- Replace any damaged wires or connectors as necessary.
Tools Required: Electrical cleaner, wire strippers/crimpers (if repairs are needed)

4. Transfer Case Actuator Replacement (if applicable)

Sub-steps:
- Remove any components obstructing access to the transfer case actuator.
- Disconnect the actuator's electrical connector.
- Remove the actuator bolts and take out the old actuator.
- Install the new actuator, securing it with bolts and reconnecting the electrical connector.
Tools Required: Socket set, screwdrivers
Safety Warnings: Ensure the battery is disconnected before working on electrical components.