what can cause my Ford Explorer Sixth Generation (2020-present) transmission to slip when accelerati...

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

537 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 slipping 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 the engine to cool completely before working on the transmission.

Symptoms

•Transmission slips when accelerating
•Unusual engine RPM fluctuations
•Delayed engagement when shifting from park to drive
•Warning lights illuminated on the dashboard
•Fluid leaks under the vehicle
•Unresponsive or jerky shifting

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics with an OBD-II scanner to check for error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burned fluid.
3
Visually inspect the transmission for any signs of leaks or damage.
4
Check the electrical connections to the transmission solenoid and sensors for corrosion or disconnection.
5
Test the transmission range sensor for proper function.
6
Conduct a stall test to evaluate the torque converter's performance.

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
•Screwdriver set

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Transmission pan gasket
•Transmission solenoid (if applicable)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostics with an OBD-II scanner to check for error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burned fluid.
3
Visually inspect the transmission for any signs of leaks or damage.
4
Check the electrical connections to the transmission solenoid and sensors for corrosion or disconnection.
5
Test the transmission range sensor for proper function.
6
Conduct a stall test to evaluate the torque converter's performance.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and secured with wheel chocks.
Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check fluid level and condition.
2. If the fluid is low or burnt, prepare to drain and replace it.
3. Place a drain pan under the transmission pan.
4. Remove the transmission pan bolts using a socket set and carefully lower the pan.
5. Allow old fluid to drain completely.
6. Replace the filter and gasket if applicable.
7. Reinstall the transmission pan and torque bolts to manufacturer specifications.
8. Refill the transmission with new, manufacturer-recommended fluid.

3. Inspect and Replace Transmission Solenoid

Sub-steps:
1. Locate the transmission solenoid, usually found within the transmission or external valve body.
2. Disconnect the electrical connector from the solenoid.
3. Remove the mounting bolts and take out the solenoid.
4. Install the new solenoid by reversing the removal steps.
5. Reconnect the electrical connector and ensure secure connections.

4. Reconnect Battery and Test Drive

Sub-steps:
1. Reconnect the vehicle's battery.
2. Start the engine and let it idle for a few minutes.
3. Take the vehicle for a test drive to check for slipping and ensure proper shifting.