how to fix a slipping CVT in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

463 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 a slipping CVT in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, 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 radiator or working on the transmission.

Symptoms

•Engine RPMs increase without a corresponding increase in vehicle speed
•Delayed or harsh shifting during acceleration
•Check engine light illuminated
•Fluid leaks under the vehicle
•Unusual whining or grinding noises from the transmission
•Poor fuel economy

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt smell.
3
Check for any visible leaks around the CVT and fluid lines.
4
Test the CVT fluid temperature to ensure it is within the operational range.
5
Verify the operation of the CVT control module and associated sensors.
6
Inspect the CVT belt and pulleys for wear or damage.

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
•CVT fluid pump
•Transmission fluid drain pan
•Jack and jack stands

Parts Required

•CVT fluid (manufacturer specified)
•CVT filter (if applicable)
•Gasket for fluid pan
•Replacement CVT belt and pulleys (if damaged)

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Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt smell.
3
Check for any visible leaks around the CVT and fluid lines.
4
Test the CVT fluid temperature to ensure it is within the operational range.
5
Verify the operation of the CVT control module and associated sensors.
6
Inspect the CVT belt and pulleys for wear or damage.

Solution

1. Preparation

Gather required tools and parts.
Ensure the vehicle is on a level surface and securely jack stands are in place.
Disconnect the battery to prevent any electrical issues during repair.

2. Change CVT Fluid

Sub-steps:
1. Remove the drain plug located at the bottom of the CVT pan and allow old fluid to drain completely.
2. Replace the drain plug with a new gasket and torque to manufacturer specifications.
3. Remove the CVT fluid pan (if applicable) and replace the filter (if equipped).
4. Reinstall the fluid pan and torque the bolts to the specified torque.
5. Refill the CVT with the manufacturer-recommended fluid type using a funnel through the dipstick tube.

3. Inspect and Replace CVT Components

Sub-steps:
1. If any damage is found on the CVT belt or pulleys during inspection, remove the CVT assembly from the vehicle.
2. Disassemble the CVT to access the belt and pulleys.
3. Replace any damaged components with OEM parts.
4. Reassemble the CVT, ensuring all components are correctly aligned and secured.

4. Reconnect Battery and Test Drive

Sub-steps:
1. Reconnect the vehicle's battery.
2. Start the engine and check for any leaks around the CVT.
3. Take the vehicle for a test drive to ensure proper operation of the CVT.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
CVT fluid pump
Transmission fluid drain pan
Jack and jack stands

Parts Required:

CVT fluid (manufacturer specified)
CVT filter (if applicable)
Gasket for fluid pan
Replacement CVT belt and pulleys (if damaged)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical systems.
Allow the engine to cool before opening the radiator or working on the transmission.