how to fix Ford Explorer transmission jerking when shifting gears?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

552 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 jerking in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before starting repairs, especially near hot components.

Symptoms

•Jerking or harsh shifting during gear changes
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises (clunking or grinding) during shifting
•Engine RPMs fluctuate unexpectedly during gear changes
•Transmission fluid leaks or discolored fluid

Diagnostic Steps

1
Scan the vehicle's onboard computer for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
2
Check the transmission fluid level and condition; look for contaminants or burnt smell.
3
Inspect the transmission fluid filter for blockages or damage.
4
Examine the transmission mounts for wear or damage that could affect alignment.
5
Test the throttle position sensor (TPS) for proper operation.
6
Check for any vacuum leaks that may affect transmission behavior.

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
•Transmission fluid
•Transmission fluid filter kit
•Jack and jack stands

Parts Required

•Transmission fluid
•Transmission filter
•Transmission mounts (if damaged)
•Throttle position sensor (if faulty)

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Diagnostic Steps

1
Scan the vehicle's onboard computer for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
2
Check the transmission fluid level and condition; look for contaminants or burnt smell.
3
Inspect the transmission fluid filter for blockages or damage.
4
Examine the transmission mounts for wear or damage that could affect alignment.
5
Test the throttle position sensor (TPS) for proper operation.
6
Check for any vacuum leaks that may affect transmission behavior.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, transmission fluid, transmission fluid filter kit, jack and jack stands.
Ensure the vehicle is on a flat surface, and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Raise the front of the vehicle using a jack and secure with jack stands.
2. Remove the transmission fluid pan using a socket set; allow fluid to drain into a pan.
3. Inspect the old fluid for color and debris; should be red and clear.
4. Replace the transmission filter per manufacturer's specifications.
5. Reinstall the pan with a new gasket and torque to factory specs.
6. Refill the transmission with the recommended type and amount of fluid.

3. Inspect and Replace Transmission Mounts (if needed)

Sub-steps:
1. Locate the transmission mounts and inspect for cracks or separation.
2. If damaged, remove the bolts securing the mounts using a socket set.
3. Replace with new mounts, ensuring proper alignment.
4. Torque bolts to manufacturer specifications.

4. Test Throttle Position Sensor

Sub-steps:
1. Locate the TPS on the throttle body.
2. Use a multimeter to check the resistance and ensure it changes smoothly as the throttle is opened.
3. If faulty, disconnect and replace with a new sensor, reconnecting all wiring securely.