how to deal with Ford Explorer Sixth Generation (2020-present) transfer case problems

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

541 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 transfer case problems in the 2020-present Ford Explorer. 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 transfer case to avoid burns

Symptoms

•Difficulty engaging or disengaging the all-wheel-drive system
•Unusual grinding or clunking noises when driving
•Warning lights illuminated on the dashboard (e.g., AWD or traction control lights)
•Shuddering or jerking during acceleration
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to check for any diagnostic trouble codes (DTCs)
2
Inspect the transfer case fluid level and condition; look for discoloration or metal particles
3
Check the transfer case engagement mechanism for proper operation
4
Visually inspect the transfer case for any signs of external damage or fluid leaks
5
Test drive the vehicle to replicate symptoms and monitor behavior changes

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
•Torque wrench
•Screwdrivers
•Funnel
•Fluid container

Parts Required

•Transfer case fluid
•Replacement seals and gaskets (if applicable)
•Worn internal components (if applicable)

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Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to check for any diagnostic trouble codes (DTCs)
2
Inspect the transfer case fluid level and condition; look for discoloration or metal particles
3
Check the transfer case engagement mechanism for proper operation
4
Visually inspect the transfer case for any signs of external damage or fluid leaks
5
Test drive the vehicle to replicate symptoms and monitor behavior changes

Solution

1. Preparation

Gather tools and parts necessary for the repair.
Disconnect the battery to ensure safety during electrical repairs.
Lift the vehicle using a jack and secure it with jack stands.

2. Drain and Replace Transfer Case Fluid

Sub-steps:
- Locate the transfer case drain plug and remove it using a socket set.
- Allow the old fluid to completely drain into a suitable container.
- Inspect the drain plug for metal shavings and clean it if necessary.
- Replace the drain plug securely after draining.
- Locate the fill plug and remove it.
- Pour the recommended transfer case fluid into the fill hole using a funnel until fluid begins to seep out.
Tools Required: Socket set, funnel, fluid container.

3. Inspect and Replace Transfer Case Components

Sub-steps:
- If fluid replacement does not resolve the issue, further disassemble the transfer case.
- Remove the transfer case from the vehicle by unbolting it and disconnecting the drive shafts.
- Inspect internal components such as gears, bearings, and seals for wear or damage.
- Replace any worn or damaged components with OEM parts.
- Reassemble the transfer case and reinstall it in the vehicle.
Tools Required: Torque wrench, socket set, screwdrivers.

4. Reconnect Battery and Test

Reconnect the battery and ensure all electrical connections are secure.
Start the vehicle and check for any warning lights on the dashboard.
Engage and disengage the all-wheel-drive system to ensure proper functionality.