why does my Ford Explorer transmission slip when shifting gears

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

512 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 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 and transmission to cool before beginning work.

Symptoms

•Transmission hesitation during acceleration
•Engine RPMs increasing without corresponding vehicle speed
•Rough or harsh shifting between gears
•Grinding or whining noises during shifts
•Transmission warning light illuminated on the dashboard

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related trouble codes.
2
Inspect transmission fluid level and condition to determine if it is low or contaminated.
3
Check for external leaks around the transmission pan and seals.
4
Test the transmission solenoids with a multimeter to ensure they are functioning properly.
5
Inspect the throttle position sensor (TPS) for proper operation as it affects shifting.
6
Perform a road test to replicate the slipping condition and observe when it occurs.

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
•Multimeter
•Transmission fluid pump

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Gasket for transmission pan
•Transmission solenoids (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related trouble codes.
2
Inspect transmission fluid level and condition to determine if it is low or contaminated.
3
Check for external leaks around the transmission pan and seals.
4
Test the transmission solenoids with a multimeter to ensure they are functioning properly.
5
Inspect the throttle position sensor (TPS) for proper operation as it affects shifting.
6
Perform a road test to replicate the slipping condition and observe when it occurs.

Solution

1. Preparation

Disconnect the battery to prevent any electrical issues.
Gather all necessary tools and components.

2. Check and Change Transmission Fluid

Locate the transmission dipstick (if applicable) and remove it.
Check the fluid level; add the appropriate type of transmission fluid if low.
If fluid is dark or smells burnt, proceed to change the fluid:
- Drain the old transmission fluid by removing the transmission pan.
- Replace the transmission filter if applicable.
- Install new pan gasket and reattach the pan.
- Refill with new transmission fluid (consult owner's manual for specification).

3. Inspect and Test Transmission Solenoids

Remove the transmission access cover if necessary.
Disconnect wiring harness from solenoids.
Use a multimeter to test solenoid resistance; replace any faulty solenoids.
Reconnect wiring harness and replace the access cover.

4. Adjust Throttle Position Sensor (TPS)

Locate the TPS on the throttle body.
Check voltage output according to specifications (consult service manual).
If out of range, loosen the mounting screws and adjust the position until correct voltage is achieved, then tighten screws.

5. Reassemble and Test

Reconnect the battery.
Clear any trouble codes using the OBD-II scanner.
Conduct a test drive to verify if the slipping issue has been resolved.