how to troubleshoot a Ford Explorer Sixth Generation (2020-present) that won’t shift gears

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

570 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 troubleshoot and fix transmission shifting issues in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks.
•Allow the engine to cool before opening the transmission system to avoid burns.

Symptoms

•Transmission warning light illuminated on the dashboard
•Difficulty shifting between gears (stuck in one gear)
•Slipping transmission or harsh shifting
•Unusual noises during shifting (grinding or clunking)
•Engine revs without corresponding acceleration
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related fault codes.
2
Check the transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the transmission fluid for leaks around seals or gaskets.
4
Examine the transmission linkage for damage or misalignment.
5
Test the vehicle's battery and charging system, as low voltage can affect electronic shifting.
6
Verify that the brake pedal switch is functioning correctly, as this can prevent gear shifting.

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
•Fluid pump (for adding transmission fluid)
•Screwdrivers
•Transmission fluid dipstick

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter (if applicable)
•Gasket for transmission pan (if applicable)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related fault codes.
2
Check the transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the transmission fluid for leaks around seals or gaskets.
4
Examine the transmission linkage for damage or misalignment.
5
Test the vehicle's battery and charging system, as low voltage can affect electronic shifting.
6
Verify that the brake pedal switch is functioning correctly, as this can prevent gear shifting.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Check Transmission Fluid

Open the hood and locate the transmission dipstick.
Remove the dipstick, wipe it clean, and reinsert it fully.
Remove the dipstick again to check the fluid level; it should be within the marked range.
If low, add the recommended transmission fluid type (e.g., Mercon LV) through the dipstick tube.
Check the fluid condition; if it's dark or has a burnt odor, a fluid change may be necessary.

3. Inspect and Replace Fluid (if necessary)

Drain the old transmission fluid by removing the drain plug (if equipped) or the transmission pan.
Replace the transmission filter if applicable.
Clean the transmission pan and reinstall it with a new gasket.
Refill the transmission with new fluid through the dipstick tube; ensure to follow the correct fluid type and capacity.

4. Check Transmission Linkage

Inspect the shift linkage for any sign of damage or wear.
If misaligned, adjust the linkage according to the service manual specifications.
Tighten any loose fasteners and ensure the linkage operates smoothly.

5. Test Drive

Reconnect the battery and start the vehicle.
Take the vehicle for a short test drive, monitoring for any abnormal shifting behavior.