how to diagnose a transmission problem in my 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

535 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 issues in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms and solutions.

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 system.

Symptoms

•Check engine light illuminated
•Slipping gears or difficulty shifting
•Unusual noises while driving (grinding or whining)
•Delayed engagement when shifting from park to drive
•Fluid leaks under the vehicle
•Poor acceleration or loss of power

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check transmission fluid level by pulling the dipstick and inspecting the fluid for proper level and condition (color and smell).
3
Inspect the transmission fluid for contamination or burnt smell, which can indicate internal issues.
4
Examine the transmission linkage and cables for proper adjustment and signs of wear or damage.
5
Test the transmission solenoids with a multimeter to ensure they are functioning correctly.
6
Conduct a road test to observe shifting behavior and listen for any unusual sounds during 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
•Multimeter
•Transmission fluid drain pan
•Torque wrench

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan
•Solenoids (if testing indicates they are 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 transmission fluid level by pulling the dipstick and inspecting the fluid for proper level and condition (color and smell).
3
Inspect the transmission fluid for contamination or burnt smell, which can indicate internal issues.
4
Examine the transmission linkage and cables for proper adjustment and signs of wear or damage.
5
Test the transmission solenoids with a multimeter to ensure they are functioning correctly.
6
Conduct a road test to observe shifting behavior and listen for any unusual sounds during operation.

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 shorts.

2. Change Transmission Fluid and Filter

Drain Old Fluid
- Place a drain pan under the transmission pan.
- Remove the pan bolts using a socket set and carefully lower the pan to drain fluid.
Replace Filter
- Remove the old filter and discard it.
- Install the new filter, ensuring it is seated properly.
Clean Pan and Magnet
- Clean the transmission pan thoroughly and inspect the magnet for metal shavings.
- Install a new gasket if necessary.
Reattach Pan
- Reinstall the transmission pan and torque the bolts to the manufacturer’s specifications (typically 10-15 ft-lbs).

3. Inspect and Replace Solenoids (if applicable)

Locate Solenoids
- Remove any necessary components to access the transmission solenoids.
Test Solenoids
- Use a multimeter to check the resistance according to manufacturer specifications.
Replace Faulty Solenoids
- If any solenoids are defective, remove and replace them with new ones.

4. Adjust Transmission Linkage (if needed)

Inspect Linkage
- Check for wear and alignment of the linkage.
Adjust as Necessary
- Loosen the adjustment nuts and reposition the linkage to the proper alignment.
- Tighten the nuts securely.