why does my Ford Explorer Fifth Generation (2011-2019) transmission jerk when I accelerate

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

532 words

Problem Statement

Learn how to diagnose and fix transmission jerking in Ford Explorer (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 engine to cool before opening the transmission fluid fill point.

Symptoms

•Jerking or harsh shifting during acceleration
•Delay in shifting between gears
•Engine revving higher than normal before shifting
•Decreased fuel efficiency
•Unusual noises during gear changes (clunking or grinding)

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 contamination or burnt smell.
3
Inspect the transmission for any visible leaks around seals and gaskets.
4
Test the transmission solenoids with a multimeter to ensure they are functioning correctly.
5
Verify the operation of the throttle position sensor and mass airflow sensor for proper readings.
6
Evaluate the condition of the engine and transmission mounts for 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
•Multimeter
•Transmission fluid
•Funnel
•Shop rags

Parts Required

•Transmission fluid (specific type per manual)
•Transmission solenoids (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 contamination or burnt smell.
3
Inspect the transmission for any visible leaks around seals and gaskets.
4
Test the transmission solenoids with a multimeter to ensure they are functioning correctly.
5
Verify the operation of the throttle position sensor and mass airflow sensor for proper readings.
6
Evaluate the condition of the engine and transmission mounts for wear or damage.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, multimeter, transmission fluid, funnel, shop rags.
Ensure the vehicle is on a level surface and the engine is off before beginning any work.

2. Check and Replace Transmission Fluid

Locate the transmission dipstick (if equipped) or the fill plug on the transmission case.
Remove the dipstick or fill plug: Use a socket set if necessary.
Check fluid level: If low, prepare to add fluid.
Inspect fluid condition: If it appears dark or smells burnt, a fluid change is necessary.
Drain old fluid: Place a drain pan under the transmission, remove the drain plug, and allow fluid to completely drain.
Replace the drain plug: Torque to manufacturer specifications.
Add new transmission fluid: Use the correct type (check owner’s manual) and add through the dipstick tube or fill plug until at the correct level.

3. Test and Replace Transmission Solenoids (if necessary)

Remove the transmission pan: Use a socket set to remove bolts and lower the pan carefully to avoid spilling fluid.
Inspect solenoids: Locate the solenoid pack, disconnect the electrical connectors, and remove the solenoids.
Test solenoids: Use a multimeter to check resistance values against manufacturer specifications.
Replace faulty solenoids: If any solenoids are out of spec, install new ones.
Reinstall the transmission pan: Clean the mating surface, replace the gasket, and torque the bolts to specifications.