how to fix Ford Explorer Fifth Generation (2011-2019) transmission slipping issue

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

528 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 opening the transmission or working on fluid components.

Symptoms

•Check engine light illuminated
•Delayed engagement when shifting from park to drive
•Unusual engine RPM fluctuations
•Harsh or erratic shifting during acceleration
•Fluid leaks under the vehicle
•Burning smell from the transmission area

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; look for discoloration or burnt odor.
3
Inspect the transmission for any visible leaks or damage in the transmission pan and seals.
4
Test the transmission solenoids and valve body for proper operation using a multimeter.
5
Check the transmission cooler for blockages or restrictions that could cause overheating.
6
Examine the electrical connections and wiring harness for any signs of 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
•Multimeter
•Fluid catch pan
•Funnel

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Transmission solenoids (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; look for discoloration or burnt odor.
3
Inspect the transmission for any visible leaks or damage in the transmission pan and seals.
4
Test the transmission solenoids and valve body for proper operation using a multimeter.
5
Check the transmission cooler for blockages or restrictions that could cause overheating.
6
Examine the electrical connections and wiring harness for any signs of wear or damage.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, fluid catch pan, funnel.
Sub-steps:
- Ensure the vehicle is parked on a level surface and engage the parking brake.
- Disconnect the battery to prevent electrical shorts while working on the transmission.

2. Check and Replace Transmission Fluid

Sub-steps:
- Remove the transmission dipstick and check fluid level; add fluid if low.
- If fluid is burnt or discolored, drain the old fluid using a fluid catch pan.
- Replace the transmission fluid filter if applicable.
- Refill the transmission with the manufacturer-recommended fluid (check owner’s manual for specifications).
- Start the engine and allow it to reach operating temperature, then recheck fluid level and top off as needed.

3. Inspect and Replace Transmission Solenoids

Sub-steps:
- Remove the transmission pan using a socket set to access the solenoids.
- Disconnect the electrical connectors from the solenoids and remove them.
- Test the solenoids with a multimeter to ensure they are within specifications.
- Replace any faulty solenoids with new parts and reassemble the transmission pan, torquing bolts to manufacturer specifications.

4. Check and Repair Wiring Harness

Sub-steps:
- Inspect the wiring harness for wear, corrosion, or damage.
- Repair or replace any damaged wires or connectors.
- Ensure all connections are secure before reassembling.