why does my Ford Explorer Fifth Generation (2011-2019) transmission jerk when shifting gears

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

551 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 Fifth Generation (2011-2019). Step-by-step guide with symptoms, diagnostics, 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 the engine to cool before opening the transmission pan.

Symptoms

•Jerking or harsh shifting when changing gears
•Delayed engagement when shifting into drive or reverse
•Unusual noises during gear shifts (clunking or grinding)
•Check engine light illuminated
•Fluctuating RPMs during acceleration
•Transmission fluid leaks or discoloration

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 burnt smell or dark coloration.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Examine the transmission mounts for wear or damage that could affect alignment.
5
Test the throttle position sensor (TPS) for proper function using a multimeter.
6
Perform a road test to replicate the jerking issue and note specific conditions when it occurs.

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
•Multimeter
•Transmission pump
•Fluid catch pan
•Funnel
•Wrench set

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter
•Throttle position sensor (if faulty)

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 burnt smell or dark coloration.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Examine the transmission mounts for wear or damage that could affect alignment.
5
Test the throttle position sensor (TPS) for proper function using a multimeter.
6
Perform a road test to replicate the jerking issue and note specific conditions when it occurs.

Solution

1. Preparation

Gather tools and parts before starting.
Ensure the vehicle is on a level surface and securely lifted using jack stands.
Disconnect the battery to prevent electrical shorts during repairs.

2. Check and Replace Transmission Fluid

Tools Required: Transmission pump, fluid catch pan, funnel.
Remove the transmission pan using a socket set.
Drain the old transmission fluid into a catch pan.
Inspect the pan and filter for metal shavings or debris.
Replace the filter with a new one.
Reinstall the pan and torque bolts to manufacturer specifications (typically 10-15 ft-lbs).
Fill the transmission with new fluid through the dipstick tube using the correct type (Mercon LV).

3. Inspect and Replace Throttle Position Sensor (if faulty)

Tools Required: Multimeter, wrench set.
Locate the throttle position sensor on the throttle body.
Disconnect the electrical connector from the TPS.
Use a multimeter to check the voltage output of the TPS. Replace if out of specifications.
Install the new TPS and reconnect the electrical connector.

4. Check Transmission Control Module (TCM)

Tools Required: OBD-II scanner.
Reconnect the battery and start the vehicle.
Use the OBD-II scanner to clear any fault codes and re-check for codes after a test drive.
If codes related to the TCM persist, consider replacing it according to manufacturer specifications.