what causes my Ford Explorer Fifth Generation (2011-2019) to jerk when shifting gears

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

575 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 issues in Ford Explorer Fifth Generation (2011-2019). 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 the battery before working on electrical systems.
•Allow the vehicle to cool before working on the transmission to avoid burns.

Symptoms

•Jerking or shuddering during gear shifts
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises (clunking or grinding) during gear changes
•Poor acceleration or deceleration response
•Check engine light illuminated (possible transmission-related codes)

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics 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 any visible leaks around the transmission pan or seals.
4
Inspect the transmission mount for signs of wear or damage.
5
Test the throttle position sensor (TPS) for proper function using a multimeter.
6
Examine the vehicle’s wiring harness for frayed or damaged wires that could affect transmission operation.

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
•Multimeter
•Jack and jack stands

Parts Required

•Transmission fluid (Mercon LV ATF)
•Transmission filter (if applicable)
•Transmission mount (if worn/damaged)

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostics 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 any visible leaks around the transmission pan or seals.
4
Inspect the transmission mount for signs of wear or damage.
5
Test the throttle position sensor (TPS) for proper function using a multimeter.
6
Examine the vehicle’s wiring harness for frayed or damaged wires that could affect transmission operation.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is on a level surface and secure it with wheel chocks.
Disconnect the battery to prevent any electrical short circuits during the repair.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission fluid dipstick and check the fluid level and condition.
2. If fluid is low or burnt, use a socket set to remove the transmission pan.
3. Drain old fluid into a suitable container.
4. Clean the transmission pan and replace the filter if necessary.
5. Reinstall the pan with a new gasket and tighten bolts to the manufacturer's torque specifications (typically around 12-15 lb-ft).
6. Refill the transmission with fresh fluid (Mercon LV ATF) as specified in the owner's manual.

3. Inspect and Replace Transmission Mount

Sub-steps:
1. Use a jack to support the transmission.
2. Remove the bolts securing the transmission mount using a socket set.
3. Carefully lift the transmission and remove the old mount.
4. Install the new mount, ensuring proper alignment, and torque the bolts to manufacturer's specifications.
5. Lower the transmission back to its original position.

4. Test Throttle Position Sensor (TPS)

Sub-steps:
1. Disconnect the TPS connector.
2. Using a multimeter, measure the resistance across the sensor terminals while moving the throttle plate.
3. Compare the readings to the specifications in the service manual; replace the TPS if readings are out of range.
4. Reconnect the TPS and ensure all connections are secure.