my Ford Explorer Fifth Generation (2011-2019) transmission slips when shifting gears what should I c...

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

515 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

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the transmission fluid reservoir.

Symptoms

•Transmission slips during gear changes
•Delayed engagement when shifting into drive or reverse
•Unusual engine revving without corresponding acceleration
•Check engine light illuminated
•Fluid leakage under the vehicle
•Poor fuel economy

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check transmission fluid level and condition; look for contamination or burnt smell.
3
Inspect the transmission fluid cooler lines for leaks or damage.
4
Visually inspect the transmission pan for signs of leakage or metal shavings.
5
Test the transmission control module (TCM) for proper function using a multimeter.
6
Perform a road test to replicate the slipping condition and note the specific scenarios it occurs.

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
•Fluid catch pan
•Socket set
•Torque wrench
•Multimeter

Parts Required

•Transmission fluid (Ford Mercon LV)
•Transmission filter (if applicable)
•Transmission pan gasket (if applicable)
•Transmission control module (if applicable)

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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 and condition; look for contamination or burnt smell.
3
Inspect the transmission fluid cooler lines for leaks or damage.
4
Visually inspect the transmission pan for signs of leakage or metal shavings.
5
Test the transmission control module (TCM) for proper function using a multimeter.
6
Perform a road test to replicate the slipping condition and note the specific scenarios it occurs.

Solution

1. Preparation

Tools Needed: OBD-II scanner, fluid catch pan, socket set, torque wrench.
Ensure the vehicle is on a level surface and the engine is off.
Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check fluid level. If low, proceed to add fluid.
2. If fluid is dirty or burnt, drain the old fluid using a catch pan.
3. Replace the transmission filter if applicable by removing the transmission pan.
4. Clean the pan and replace the gasket before reinstalling it.
5. Fill the transmission with the appropriate type of fluid (Ford Mercon LV) through the dipstick tube as per manufacturer specifications.

3. Inspect and Repair Transmission Components

Sub-steps:
1. If error codes indicate a faulty TCM, replace it by disconnecting wiring harness and removing the TCM from its mounting location.
2. Inspect solenoids and wiring for damage; replace any faulty components as necessary.
3. If mechanical issues are suspected (e.g., worn clutches), the transmission may need to be removed for internal inspection and repair.

4. Reassemble and Reconnect

Reinstall any components removed during the inspection and repair process.
Reconnect the battery and ensure all connections are secure.