how to fix the transmission jerking in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

587 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 (2011-2019). 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

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the transmission fluid filler.

Symptoms

•Jerking or shuddering during gear shifts
•Delayed or harsh engagement when shifting from park to drive or reverse
•Check engine light illuminated
•Unusual noises, such as clunking or grinding during shifts
•Fluctuating RPMs while accelerating

Diagnostic Steps

1
Scan the vehicle's computer for any error codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission control module (TCM) for any visible damage or loose connections.
4
Test drive the vehicle to replicate the jerking and note the conditions under which it occurs.
5
Inspect the transmission mounts for wear or damage.
6
Assess the condition of the torque converter for any signs of malfunction.

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 pump
•Multimeter

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter (if applicable)
•Transmission mounts (if necessary)
•Transmission control module (if necessary)

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Diagnostic Steps

1
Scan the vehicle's computer for any error codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission control module (TCM) for any visible damage or loose connections.
4
Test drive the vehicle to replicate the jerking and note the conditions under which it occurs.
5
Inspect the transmission mounts for wear or damage.
6
Assess the condition of the torque converter for any signs of malfunction.

Solution

1. Preparation

Gather required tools and parts.
Park the vehicle on a level surface and set the parking brake.
Ensure the engine is off and cool.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
Transmission fluid pump
Multimeter

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and wipe it clean.
2. Insert the dipstick back and check the fluid level; it should be within the marked range.
3. If low, prepare to add new fluid. Ensure you use the specific type required for a Ford Explorer (typically Mercon LV).
4. If the fluid is burnt or contaminated, drain the old fluid from the transmission pan.
5. Replace the transmission filter if applicable, and clean the pan before refilling with fresh fluid.
6. Use the transmission fluid pump to refill the transmission with fresh fluid to the correct level.

3. Inspect and Replace Transmission Control Module (if needed)

Sub-steps:
1. Remove the TCM from its housing by disconnecting the wiring harness and unbolting it.
2. Inspect for any signs of corrosion or damage.
3. If faulty, install a new TCM, ensuring all connections are secure and properly seated.

4. Check and Replace Transmission Mounts (if necessary)

Sub-steps:
1. Raise the vehicle using jack stands and remove the undercarriage cover if necessary.
2. Inspect the transmission mounts for cracks or excessive wear.
3. Remove any bolts securing the mounts to the transmission and frame.
4. Replace with new mounts and torque bolts to the manufacturer’s specifications.