why does my Ford Explorer Fifth Generation (2011-2019) transmission slip when I accelerate

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

623 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 (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

•Disconnect the battery before working on the vehicle

Symptoms

•Engine RPM increases without corresponding vehicle speed
•Delayed engagement when shifting from park to drive or reverse
•Harsh or erratic shifting during acceleration
•Warning light illuminated on the dashboard
•Unusual noises such as whining or clunking during gear changes

Diagnostic Steps

1
Check transmission fluid level using the dipstick
2
Scan for error codes using an OBD-II scanner
3
Inspect transmission fluid condition for contamination or burnt smell
4
Check transmission filter for blockages or dirt
5
Inspect electrical connections related to the transmission control module
6
Conduct a road test to observe transmission behavior

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
•Electrical contact cleaner

Parts Required

•Transmission fluid (specific to Ford specifications)
•Transmission filter (if applicable)
•Gasket for transmission pan (if required)

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Diagnostic Steps

1
Check transmission fluid level using the dipstick
2
Scan for error codes using an OBD-II scanner
3
Inspect transmission fluid condition for contamination or burnt smell
4
Check transmission filter for blockages or dirt
5
Inspect electrical connections related to the transmission control module
6
Conduct a road test to observe transmission behavior

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface and securely raised if needed.
Disconnect the battery to prevent electrical issues while working on the vehicle.

2. Check and Replace Transmission Fluid

Sub-step 1: Locate the transmission dipstick and remove it for fluid inspection; wipe clean and reinsert to check level.
Sub-step 2: If fluid is low, add manufacturer-recommended transmission fluid as specified in the owner's manual.
Sub-step 3: If fluid is burnt or dirty, drain the transmission fluid using a drain pan and replace it with fresh fluid.

3. Replace Transmission Filter (if applicable)

Sub-step 1: Remove the transmission pan (may require a socket set) and drain any remaining fluid.
Sub-step 2: Remove the old filter and install the new one, ensuring proper alignment.
Sub-step 3: Reinstall the transmission pan with new gasket material; torque bolts to specifications (usually around 10-12 ft-lbs).

4. Inspect and Repair Electrical Connections

Sub-step 1: Visually inspect all wiring and connectors related to the transmission for signs of wear or corrosion.
Sub-step 2: Clean any corroded connectors with electrical contact cleaner and ensure tight connections.
Sub-step 3: If necessary, replace damaged wiring or connectors.

5. Reconnect Battery and Test Drive

Sub-step 1: Reconnect the battery and start the vehicle.
Sub-step 2: Conduct a test drive to verify if the transmission slipping issue has been resolved.