why does my Ford Explorer's transmission slip when accelerating

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

526 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 to cool before opening the transmission components.

Symptoms

•Transmission slips when accelerating
•Engine RPM increases without corresponding vehicle speed increase
•Harsh or delayed shifts
•Check engine light illuminated
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related issues.
2
Check the transmission fluid level and condition; look for discoloration or a burnt smell.
3
Inspect the transmission filter for clogs or restrictions.
4
Examine the transmission linkage for proper adjustment and any signs of wear.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Perform a road test to monitor transmission behavior under various driving conditions.

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
•Fluid pump
•Catch pan

Parts Required

•Transmission fluid
•Transmission filter
•Transmission pan gasket
•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 identify any transmission-related issues.
2
Check the transmission fluid level and condition; look for discoloration or a burnt smell.
3
Inspect the transmission filter for clogs or restrictions.
4
Examine the transmission linkage for proper adjustment and any signs of wear.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Perform a road test to monitor transmission behavior under various driving conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and securely supported with jack stands.
Disconnect the battery to prevent electrical issues.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and remove it to check fluid level.
2. If low, add the appropriate type of transmission fluid as specified in the owner’s manual.
3. If fluid is burnt or dirty, drain the old fluid from the transmission pan.
  - Tools Required: Fluid pump, catch pan.
4. Replace the transmission pan gasket.
5. Refill with new transmission fluid, ensuring it is at the correct level.

3. Replace Transmission Filter

Sub-steps:
1. Remove the transmission pan to access the filter.
2. Remove the old filter and discard it.
3. Install the new filter, ensuring it seals properly.
4. Reinstall the transmission pan and torque bolts to manufacturer specifications.
  - Tools Required: Socket set, torque wrench.

4. Test Transmission Solenoids

Sub-steps:
1. Disconnect the electrical connectors from the solenoids.
2. Use a multimeter to check for resistance within the specified range.
3. Replace any faulty solenoids as needed, and reconnect electrical connectors.

5. Adjust Transmission Linkage

Sub-steps:
1. Inspect the linkage for any signs of wear or damage.
2. Adjust the linkage according to the manufacturer's specifications if necessary.
3. Test the adjustment by shifting through all gears to ensure proper engagement.