why does my Ford Explorer's transmission jerk when shifting gears

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

562 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. 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
•Ensure the vehicle is on a level surface and securely lifted
•Allow the engine to cool before working on the transmission

Symptoms

•Jerking sensation during upshifts and downshifts
•Delayed engagement when selecting drive or reverse
•Fluctuating RPMs during shifts
•Check engine light illuminated
•Transmission fluid leaks underneath the vehicle

Diagnostic Steps

1
Scan the vehicle's onboard computer for error codes using an OBD-II scanner
2
Check the transmission fluid level and condition (color and smell)
3
Inspect for any visible leaks around the transmission pan, seals, and hoses
4
Verify the operation of the throttle position sensor (TPS) with a multimeter
5
Test drive the vehicle to replicate the jerking issue while monitoring RPMs and shift timing
6
Inspect the transmission filter and solenoids for blockages 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

•Socket set
•OBD-II scanner
•Transmission fluid
•Funnel
•Multimeter
•Jack stands

Parts Required

•Transmission filter
•Transmission fluid
•Throttle position sensor

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Diagnostic Steps

1
Scan the vehicle's onboard computer for error codes using an OBD-II scanner
2
Check the transmission fluid level and condition (color and smell)
3
Inspect for any visible leaks around the transmission pan, seals, and hoses
4
Verify the operation of the throttle position sensor (TPS) with a multimeter
5
Test drive the vehicle to replicate the jerking issue while monitoring RPMs and shift timing
6
Inspect the transmission filter and solenoids for blockages or damage

Solution

1. Preparation

Tools Required: Socket set, OBD-II scanner, transmission fluid, funnel, multimeter, jack stands.
Safety Warnings: Disconnect the battery before working on electrical systems. Ensure the vehicle is on a level surface and securely lifted.

2. Check and Top Off Transmission Fluid

Sub-steps:
1. With the engine running, locate the transmission dipstick (if equipped) and remove it.
2. Wipe the dipstick clean, reinsert, and remove again to check the fluid level.
3. If fluid is low, add the recommended transmission fluid type using a funnel until the correct level is reached.
4. Inspect the fluid for burning smell or dark color; if found, consider a fluid change.

3. Replace Transmission Filter and Fluid

Sub-steps:
1. Raise the vehicle and secure it on jack stands.
2. Place a drain pan under the transmission pan and remove the pan bolts to drain fluid.
3. Remove the transmission filter and replace it with a new one.
4. Clean the transmission pan and replace the gasket.
5. Reinstall the pan and torque the bolts to manufacturer specifications.
6. Fill the transmission with new fluid through the dipstick tube.

4. Inspect and Replace Throttle Position Sensor (if faulty)

Sub-steps:
1. Locate the throttle position sensor on the throttle body.
2. Disconnect the electrical connector and remove the mounting screws.
3. Install the new TPS in the same position and reconnect the electrical connector.
4. Use a multimeter to check the voltage output of the new TPS during throttle movement to ensure proper operation.

5. Clear Error Codes and Test Drive

Sub-steps:
1. Use the OBD-II scanner to clear any stored error codes.
2. Take the vehicle for a test drive to ensure the jerking issue has been resolved.