my Ford Explorer Fifth Generation (2011-2019) transmission slips when shifting

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

567 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 electrical systems.
•Allow the engine to cool before working on the transmission.

Symptoms

•Transmission slips during acceleration
•Delayed engagement when shifting from park to drive or reverse
•Unusual engine revving without corresponding vehicle speed increase
•Check engine light may be illuminated
•Fluid leaks under the vehicle
•Harsh or erratic shifting

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 signs of contamination or burning smell.
3
Inspect the transmission fluid for proper color and consistency; it should be red and not brown or burnt.
4
Examine the transmission filter for clogs or restrictions.
5
Inspect for any visible leaks or damage to the transmission pan and seals.
6
Test the vehicle's throttle position sensor (TPS) and vehicle speed sensor (VSS) to ensure proper operation.

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
•Transmission fluid pump
•Fluid catch pan
•Screwdrivers

Parts Required

•Transmission fluid (Ford-approved)
•Transmission filter
•Gasket for transmission pan (if applicable)

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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 signs of contamination or burning smell.
3
Inspect the transmission fluid for proper color and consistency; it should be red and not brown or burnt.
4
Examine the transmission filter for clogs or restrictions.
5
Inspect for any visible leaks or damage to the transmission pan and seals.
6
Test the vehicle's throttle position sensor (TPS) and vehicle speed sensor (VSS) to ensure proper operation.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the engine is off.
Gather tools and parts for the repair.
Tools Required:
- OBD-II scanner
- Socket set
- Torque wrench
- Transmission fluid pump
- Fluid catch pan
- Screwdrivers
Safety Warnings:
- Disconnect the battery before working on electrical systems.
- Allow the engine to cool before working on the transmission.

2. Check and Replace Transmission Fluid

Remove the transmission dipstick and check the fluid level.
If low, add the appropriate Ford-approved transmission fluid.
If the fluid appears dirty or burnt, proceed to replace the fluid.
Place a fluid catch pan under the transmission pan.
Remove the transmission pan bolts using a socket wrench. Carefully lower the pan and allow fluid to drain.
Remove the old transmission filter and replace it with a new one, ensuring it is seated correctly.
Clean the transmission pan and mating surface thoroughly.
Replace the transmission pan, torque the bolts to the manufacturer's specifications (usually around 10-12 ft-lbs).
Refill the transmission with the correct type and amount of fluid through the dipstick tube.

3. Inspect and Replace Components (if necessary)

If the slipping persists, inspect the transmission solenoids for proper function.
Remove the transmission valve body if solenoids are faulty; replace them as needed.
Reassemble the valve body and ensure torque specifications are followed.
Reconnect any electrical connectors and the battery.