how to fix Ford Explorer transmission problems when shifting

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

580 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. 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

•Allow the engine to cool completely before working on the transmission.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Delayed engagement when shifting from park to drive or reverse
•Slipping transmission during acceleration
•Harsh or rough shifting between gears
•Unusual noises while shifting (e.g., grinding or whining)
•Warning lights illuminated on the dashboard (e.g., check engine light)
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle with an OBD-II scanner to check for any stored error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for burnt smell or metal shavings.
3
Check for any visible leaks around the transmission pan and seals.
4
Test the transmission fluid pressure using a pressure gauge to ensure it meets manufacturer specifications.
5
Inspect the transmission control module and wiring for any signs of damage or corrosion.
6
Road test the vehicle to replicate the shifting issue under various driving conditions.

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
•Transmission fluid pump
•Socket set
•Multimeter
•Torque wrench

Parts Required

•Transmission fluid (as specified)
•Transmission filter (if applicable)
•Solenoids or valve body (if needed)

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Symptoms

•Delayed engagement when shifting from park to drive or reverse

•Slipping transmission during acceleration

•Harsh or rough shifting between gears

•Unusual noises while shifting (e.g., grinding or whining)

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

•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan the vehicle with an OBD-II scanner to check for any stored error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for burnt smell or metal shavings.
3
Check for any visible leaks around the transmission pan and seals.
4
Test the transmission fluid pressure using a pressure gauge to ensure it meets manufacturer specifications.
5
Inspect the transmission control module and wiring for any signs of damage or corrosion.
6
Road test the vehicle to replicate the shifting issue under various driving conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is securely lifted and supported with jack stands.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Fluid Change

Tools Required: Fluid pump, transmission fluid (as specified by manufacturer), drain pan, socket set.
Remove the transmission pan bolts and carefully lower the pan to drain the old fluid.
Inspect the pan for debris and clean it thoroughly before reinstallation.
Replace the transmission filter if equipped; ensure the new filter is correctly seated.
Refill the transmission with the recommended fluid through the dipstick tube using a fluid pump, checking the level frequently.

3. Electrical Inspection

Tools Required: Multimeter, wiring diagrams.
Inspect the wiring harness for the transmission control module for fraying or corrosion.
Check the connector pins for proper connectivity and clean if necessary.
Test the transmission control module with a multimeter to verify voltage and ground signals.

4. Component Replacement (if necessary)

If diagnostics indicate a faulty solenoid or valve body, proceed with replacement.
Tools Required: Socket set, torque wrench.
Remove the transmission pan again to access the solenoids or valve body.
Disconnect the wiring harness from the affected solenoid or valve body and unbolt it from the transmission.
Install the new component, torque the bolts to manufacturer specifications, and reassemble the transmission pan.