my Ford Explorer Fifth Generation (2011-2019) feels like it's slipping in and out of gear, what’s ha...

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

505 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 symptoms, diagnostic steps, and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the engine to cool before working on the transmission.
•Always use personal protective equipment when handling fluids.

Symptoms

•Gear slipping or hesitation during acceleration
•Harsh or delayed shifting
•Unusual engine revving without corresponding vehicle speed increase
•Check engine light illuminated
•Transmission fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related trouble codes.
2
Inspect transmission fluid levels and condition, looking for discoloration or burning smell.
3
Check for any visible leaks around the transmission and seals.
4
Inspect the transmission filter and fluid for clogs or contamination.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Drive the vehicle to replicate the issue and observe any changes in performance.

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
•Screwdrivers
•Fluid pump

Parts Required

•Transmission fluid (Ford Mercon LV)
•Transmission filter
•Transmission pan gasket
•Transmission solenoids (if defective)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related trouble codes.
2
Inspect transmission fluid levels and condition, looking for discoloration or burning smell.
3
Check for any visible leaks around the transmission and seals.
4
Inspect the transmission filter and fluid for clogs or contamination.
5
Test the transmission solenoids for proper operation using a multimeter.
6
Drive the vehicle to replicate the issue and observe any changes in performance.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the negative battery terminal to prevent electrical shocks.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission fluid dipstick and check the fluid level.
2. If low, add the appropriate transmission fluid (Ford Mercon LV).
3. If fluid is burnt or contaminated, drain the old fluid by removing the transmission pan.
4. Replace the transmission filter and clean the pan.
5. Reinstall the pan with a new gasket, tightening bolts to the specified torque (typically 8-10 ft-lbs).

3. Inspect and Replace Solenoids

Sub-steps:
1. Remove the transmission pan again if it was previously removed for fluid change.
2. Locate the transmission solenoids and disconnect the electrical connectors.
3. Remove the old solenoids and replace them with new ones.
4. Reinstall the transmission pan and fluid as described in Step 2.

4. Test Drive

Sub-steps:
1. Reconnect the negative battery terminal.
2. Start the engine and allow it to warm up.
3. Take the vehicle for a test drive to ensure the transmission operates smoothly without slipping.