my Ford Explorer Fifth Generation (2011-2019) transmission is slipping during acceleration, what's w...

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

563 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 during acceleration in Ford Explorer (2011-2019). 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

•Ensure the vehicle is on a level surface and the parking brake is engaged.
•Disconnect the battery before working on electrical components.
•Allow the engine to cool before opening the transmission or checking fluid levels.

Symptoms

•Transmission slips or hesitates during acceleration
•Unusual engine RPM fluctuations
•Delayed or harsh shifting between gears
•Warning light illuminated on the dashboard
•Fluid leaks under the vehicle
•Increased engine noise during acceleration

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for burnt smell or dark coloration.
3
Check for any visible leaks around the transmission pan and cooler lines.
4
Test the transmission fluid pressure using a pressure gauge to ensure it is within specifications.
5
Inspect the transmission filter for clogs or blockages.
6
Examine the transmission control module (TCM) for any signs of malfunction or wiring issues.

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
•Transmission fluid pressure gauge
•Fluid catch pan

Parts Required

•Transmission fluid (type specified in owner's manual)
•Transmission filter
•Gasket for transmission pan (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for burnt smell or dark coloration.
3
Check for any visible leaks around the transmission pan and cooler lines.
4
Test the transmission fluid pressure using a pressure gauge to ensure it is within specifications.
5
Inspect the transmission filter for clogs or blockages.
6
Examine the transmission control module (TCM) for any signs of malfunction or wiring issues.

Solution

1. Preparation

Gather tools: OBD-II scanner, socket set, transmission fluid pressure gauge, fluid catch pan, and replacement transmission fluid.
Safety warning: Ensure the vehicle is on a level surface and the parking brake is engaged.

2. Check and Replace Transmission Fluid

Locate the transmission dipstick and remove it.
Check the fluid level; if low, add the recommended transmission fluid type (consult the owner’s manual).
If the fluid is dark or has a burnt smell, proceed to drain and replace it:
- Place a catch pan under the transmission pan.
- Remove the transmission pan bolts using a socket set.
- Carefully lower the pan and allow the old fluid to drain completely.
- Inspect the magnet inside for metal shavings, indicating wear.
- Clean the pan thoroughly and replace the old filter with a new one, ensuring proper alignment.
- Reinstall the transmission pan and torque bolts to manufacturer specifications (usually around 10-12 ft-lbs).

3. Inspect and Repair Transmission Components

If fluid replacement does not resolve the issue, check the transmission control module (TCM):
- Disconnect the battery to prevent electrical shock.
- Remove any covers to access the TCM.
- Inspect the wiring harness for frays or corrosion.
- If necessary, replace the TCM with a new unit and reconnect all wiring.

4. Test Drive

Reconnect the battery and start the vehicle.
Take the vehicle for a test drive to assess performance during acceleration and shifting.