why does my Ford Explorer feel like it’s slipping out of gear

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

489 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. 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 battery before working on electrical systems.
•Allow engine to cool before opening the transmission or performing any repairs.

Symptoms

•Transmission slipping during acceleration
•Increased engine RPM without corresponding vehicle speed increase
•Harsh or delayed shifting between gears
•Unusual noises during gear changes (grinding or whining)
•Check engine light illuminated
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related trouble codes.
2
Inspect transmission fluid level and condition; look for discoloration or burning smell.
3
Check for any visible leaks in the transmission system.
4
Test the vehicle’s throttle position sensor for proper operation.
5
Inspect the transmission mount for wear or damage.
6
Perform a road test to observe shifting behavior under various conditions.

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
•Fluid catch container

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Gasket for transmission pan
•Throttle position sensor (if needed)
•Transmission mount (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related trouble codes.
2
Inspect transmission fluid level and condition; look for discoloration or burning smell.
3
Check for any visible leaks in the transmission system.
4
Test the vehicle’s throttle position sensor for proper operation.
5
Inspect the transmission mount for wear or damage.
6
Perform a road test to observe shifting behavior under various conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface and securely raised using jack stands if working underneath.
Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check fluid level.
2. If fluid is low, add the recommended type of transmission fluid as per the owner's manual.
3. If fluid is discolored or burnt, drain and replace it:
  - Remove the transmission pan bolts with a socket set.
  - Carefully lower the pan and allow fluid to drain into a container.
  - Replace the transmission filter (if applicable).
  - Reinstall the pan with a new gasket and torque bolts to the manufacturer's specifications (usually 10-12 ft-lbs).

3. Address any Faulty Components

Sub-steps:
1. If error codes indicate a faulty throttle position sensor, disconnect the electrical connector and remove the sensor.
2. Install the new throttle position sensor and reconnect the electrical connector.
3. If the transmission mount is damaged, remove the bolts securing it and replace it with a new mount. Torque to manufacturer specifications.

4. Reconnect Battery and Test Drive

Reconnect the battery and start the engine.
Test drive the vehicle to ensure the transmission shifts smoothly without slipping.