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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

574 words

Problem Statement

Learn how to diagnose and fix transmission jerking issues in Ford Explorer (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 the battery before working on electrical systems.
•Allow the engine to cool before opening the transmission fluid pan.

Symptoms

•Jerking sensation during acceleration or deceleration
•Delayed or harsh shifts between gears
•Check engine light illuminated
•Unusual noises (clunking or grinding) during shifting
•Poor acceleration performance
•Increased fuel consumption

Diagnostic Steps

1
Scan the vehicle's onboard diagnostic system using an OBD-II scanner to check for error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check for loose or damaged transmission mounts that may affect shifting.
4
Examine the throttle position sensor (TPS) for proper operation by using a multimeter.
5
Inspect the vehicle's vacuum lines for leaks that could affect transmission operation.
6
Test drive the vehicle under various conditions to replicate the jerking issue and note 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 fluid pump
•Drain pan
•Funnel
•Jack and jack stands

Parts Required

•Transmission fluid
•Transmission mount (if needed)
•Throttle position sensor (if needed)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostic system using an OBD-II scanner to check for error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check for loose or damaged transmission mounts that may affect shifting.
4
Examine the throttle position sensor (TPS) for proper operation by using a multimeter.
5
Inspect the vehicle's vacuum lines for leaks that could affect transmission operation.
6
Test drive the vehicle under various conditions to replicate the jerking issue and note when it occurs.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure electrical safety.

2. Transmission Fluid Change

Tools Required: Socket set, transmission fluid pump, drain pan, funnel.
Remove the transmission drain plug and allow the old fluid to drain completely into the drain pan.
Replace the drain plug with a new gasket and torque to manufacturer specifications.
Use a funnel to refill the transmission with the appropriate type and amount of new fluid as specified in the owner's manual.

3. Inspect and Replace Transmission Mounts (if needed)

Tools Required: Jack and jack stands, socket set.
Safely lift the vehicle and support it with jack stands.
Locate the transmission mounts and visually inspect for cracks or wear.
If damaged, remove the old mount by unbolting it from the transmission and chassis.
Install the new mount, ensuring it is secured to the correct torque specifications.

4. Throttle Position Sensor Adjustment

Tools Required: Multimeter, socket set.
Locate the throttle position sensor on the throttle body.
Disconnect the electrical connector and test the sensor output with a multimeter.
If out of specification, replace the sensor by removing the mounting screws and installing a new one, ensuring proper alignment.

5. Reconnect Battery

Reconnect the negative battery terminal.
Start the vehicle and let it idle for a few minutes to ensure systems are reset.