how to fix transmission slipping in Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

3-5 hours

Time

medium

Difficulty

high

Severity

4 min read

615 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 (2020-present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Transmission

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the transmission.

Symptoms

•Engine RPMs increase without corresponding vehicle acceleration
•Delayed or harsh shifting between gears
•Warning light illuminated on the dashboard
•Unusual noises (grinding or whining) during gear changes
•Fluid leakage under the vehicle
•Burnt smell from the transmission fluid

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle’s computer for any error codes using an OBD-II scanner.
3
Inspect for any visible leaks in the transmission seals and gaskets.
4
Test the transmission fluid for contamination or burnt odor.
5
Conduct a road test to confirm symptoms and evaluate shifting behavior.
6
Verify the performance of the transmission range sensor and other electrical components.

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
•Funnel
•Drain pan
•Socket set
•Torque wrench
•Multimeter

Parts Required

•Transmission fluid (specific type for Ford Explorer)
•Transmission filter
•Gasket for transmission pan

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Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle’s computer for any error codes using an OBD-II scanner.
3
Inspect for any visible leaks in the transmission seals and gaskets.
4
Test the transmission fluid for contamination or burnt odor.
5
Conduct a road test to confirm symptoms and evaluate shifting behavior.
6
Verify the performance of the transmission range sensor and other electrical components.

Solution

1. Preparation

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

2. Check and Replace Transmission Fluid

Tools Required: Funnel, drain pan, socket set, torque wrench.
Instructions:
1. Locate the transmission drain plug and place the drain pan underneath.
2. Remove the drain plug and allow the old fluid to completely drain out.
3. Replace the drain plug and torque it to the manufacturer’s specifications (typically 10-15 ft-lbs).
4. Remove the transmission fluid fill plug and use a funnel to add new transmission fluid (consult owner’s manual for fluid type).
5. Run the engine for a few minutes, then check the fluid level again and top off as necessary.

3. Inspect and Replace Transmission Filter

Tools Required: Socket set, torque wrench, gasket scraper.
Instructions:
1. Remove the transmission pan by unscrewing the retaining bolts.
2. Carefully detach the pan and scrape off any old gasket material from the mating surface.
3. Remove the old transmission filter and replace it with a new one.
4. Reinstall the transmission pan with a new gasket and torque bolts to the specified value (usually around 10-12 ft-lbs).

4. Electrical System Check

Tools Required: Multimeter.
Instructions:
1. Inspect the transmission range sensor and ensure it is functioning correctly.
2. Use a multimeter to check for proper voltage and continuity in the wiring harness.
3. Replace any faulty electrical components or wiring as needed.

5. Test Drive and Adjustments

Instructions:
1. Reconnect the battery and start the vehicle.
2. Conduct a test drive to assess the shifting performance.
3. If slipping persists, further diagnostics may be needed, including checking the torque converter or internal components.