why does my Ford Explorer jerks when shifting gears

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

608 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. 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 engine to cool before checking transmission fluid.

Symptoms

•Jerking or shuddering during gear shifts
•Delayed engagement when shifting from park to drive or reverse
•Engine RPM fluctuations during shifting
•Unusual noises (grinding or clunking) during gear changes
•Illuminated check engine light or transmission warning light

Diagnostic Steps

1
Scan the vehicle for error codes using an OBD-II scanner to identify transmission-related issues.
2
Check the transmission fluid level and condition; look for signs of contamination or burning smell.
3
Inspect the transmission mounts for wear or damage that may affect shifting.
4
Examine the throttle position sensor (TPS) for proper operation and alignment.
5
Test the vehicle's battery voltage and alternator output to ensure adequate power supply to the transmission control module.
6
Perform a road test to replicate the jerking and note any specific conditions that worsen the issue.

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
•Transmission dipstick
•Socket set
•Jack and jack stands
•Multimeter
•Funnel
•Clean rags

Parts Required

•Transmission fluid (specific type as per manual)
•Transmission mounts (if worn)
•Throttle Position Sensor (if faulty)

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Diagnostic Steps

1
Scan the vehicle for error codes using an OBD-II scanner to identify transmission-related issues.
2
Check the transmission fluid level and condition; look for signs of contamination or burning smell.
3
Inspect the transmission mounts for wear or damage that may affect shifting.
4
Examine the throttle position sensor (TPS) for proper operation and alignment.
5
Test the vehicle's battery voltage and alternator output to ensure adequate power supply to the transmission control module.
6
Perform a road test to replicate the jerking and note any specific conditions that worsen the issue.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is turned off.
Disconnect the battery to prevent electrical shocks.

2. Check Transmission Fluid

Tools Required: Transmission dipstick, funnel, clean rags
Remove the transmission dipstick and wipe it clean.
Reinsert the dipstick and remove it again to check the fluid level.
If fluid is low, add the appropriate type of transmission fluid as specified in the owner’s manual.
Inspect the fluid for color and smell; if it’s dark or burnt, consider a fluid change.

3. Inspect and Replace Transmission Mounts

Tools Required: Socket set, jack and jack stands
Lift the vehicle using a jack and secure it on jack stands.
Locate the transmission mounts and visually inspect them for cracks or deterioration.
If damaged, remove the mounting bolts and replace the mounts with new ones.
Torque the new mounts to the manufacturer’s specifications.

4. Throttle Position Sensor (TPS) Adjustment/Replacement

Tools Required: Multimeter, screwdriver
Locate the TPS on the throttle body.
Disconnect the TPS connector and check the voltage output using a multimeter; ensure it falls within the specified range.
If out of range, adjust or replace the TPS as needed.
Reconnect everything and ensure proper alignment.

5. Electrical System Check

Tools Required: Multimeter
Check the battery voltage; it should be around 12.6 volts when the engine is off.
Start the engine and check again; it should be between 13.7 to 14.7 volts.
If not within range, inspect the alternator and battery connections.