why does my Ford Explorer Sixth Generation (2020-present) lurch forward when shifting gears

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

545 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 lurching in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with symptoms and solutions.

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 and transmission to cool before performing any service.

Symptoms

•Sudden lurching or jerking when shifting gears
•Delayed engagement of the transmission when accelerating
•Unusual noises (clunks or thuds) during gear changes
•Check engine light may be illuminated
•Rough shifting or harsh transmission response

Diagnostic Steps

1
Scan the vehicle with an OBD-II scanner to check for any stored error codes related to the transmission.
2
Inspect the transmission fluid level and condition (check for discoloration or burning smell).
3
Examine the transmission mounts for signs of wear or damage.
4
Check for any visible leaks in the transmission system.
5
Test drive the vehicle to replicate the issue under controlled conditions and note specific circumstances.
6
Inspect the throttle position sensor and other related components for proper operation.

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 fluid pump
•Drain pan
•Funnel
•Socket set
•Torque wrench
•Multimeter
•Screwdriver set

Parts Required

•Transmission fluid (Mercon LV)
•Transmission mounts (if damaged)
•Throttle position sensor (if faulty)

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Diagnostic Steps

1
Scan the vehicle with an OBD-II scanner to check for any stored error codes related to the transmission.
2
Inspect the transmission fluid level and condition (check for discoloration or burning smell).
3
Examine the transmission mounts for signs of wear or damage.
4
Check for any visible leaks in the transmission system.
5
Test drive the vehicle to replicate the issue under controlled conditions and note specific circumstances.
6
Inspect the throttle position sensor and other related components for proper operation.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Transmission Fluid

Step 1: Remove the transmission fluid fill plug and check fluid level.
Step 2: If the fluid is low, drain the old fluid using a drain pan.
Step 3: Replace the transmission fluid with the manufacturer-recommended type (typically Mercon LV for Ford).
Step 4: Refill the transmission to the appropriate level through the fill plug. Use a funnel for accuracy.
Tools Required: Transmission fluid pump, drain pan, funnel.

3. Check and Replace Transmission Mounts (if needed)

Step 1: Raise the vehicle using a jack and secure it with jack stands.
Step 2: Visually inspect the transmission mounts for cracks or deterioration.
Step 3: If damaged, remove the old mounts by unbolting them from the transmission and the frame.
Step 4: Install new mounts, ensuring they are torqued to manufacturer specifications.
Tools Required: Socket set, torque wrench.

4. Inspect and Test Throttle Position Sensor

Step 1: Locate the throttle position sensor on the throttle body.
Step 2: Disconnect the wiring harness and inspect for corrosion or damage.
Step 3: Using a multimeter, test the sensor's resistance and output voltage according to the service manual specifications.
Step 4: Replace the sensor if it is out of specification.
Tools Required: Multimeter, screwdriver set.