how to fix 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

488 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 components.
•Allow the engine to cool before working on the transmission to avoid burns.

Symptoms

•Jerking or harsh shifting during acceleration or deceleration
•Delayed engagement when shifting from park to drive or reverse
•Slipping sensation while driving
•Unusual noises during gear changes (e.g., grinding, clunking)
•Check engine light illuminated

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related faults.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission fluid for contamination or debris.
4
Verify the operation of the throttle position sensor (TPS) using a multimeter.
5
Test the transmission control module (TCM) for proper functioning.
6
Examine the condition of the transmission mounts and linkage for any wear or damage.

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
•Drain pan
•Fluid pump
•Multimeter

Parts Required

•Transmission fluid (Ford Mercon LV)
•Transmission filter
•Gasket for transmission pan

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related faults.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission fluid for contamination or debris.
4
Verify the operation of the throttle position sensor (TPS) using a multimeter.
5
Test the transmission control module (TCM) for proper functioning.
6
Examine the condition of the transmission mounts and linkage for any wear or damage.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the battery to ensure safety during repairs.

2. Check and Change Transmission Fluid

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Locate the transmission drain plug and place a drain pan underneath it.
3. Remove the drain plug using a socket wrench and allow the fluid to drain completely.
4. Replace the drain plug and torque it to specifications (typically around 20-25 lb-ft).
5. Refill the transmission with the recommended fluid type (Ford Mercon LV) through the dipstick tube or fill port.
6. Start the engine and shift through all gears, then check the fluid level and add more if necessary.

3. Inspect and Replace Transmission Filter

Sub-steps:
1. Remove the transmission pan by unscrewing the bolts and carefully prying it off.
2. Inspect the old filter and replace it with a new one.
3. Clean the transmission pan and magnet to remove any debris.
4. Reinstall the pan with a new gasket, tightening bolts to the manufacturer’s torque specifications (typically around 10-12 lb-ft).

4. Update Transmission Control Module Software

Sub-steps:
1. Reconnect the battery.
2. Use an OBD-II scanner to check for any available software updates for the TCM.
3. Follow the manufacturer's instructions to perform the update if necessary.

5. Test Drive

Sub-steps:
1. Take the vehicle for a test drive to assess the transmission's performance.
2. Monitor for any signs of jerking or harsh shifting during various driving conditions.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
Drain pan
Fluid pump (if required for refilling)
Multimeter

Parts Required:

Transmission fluid (Ford Mercon LV)
Transmission filter
Gasket for transmission pan

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical components.
Allow the engine to cool before working on the transmission to avoid burns.