how to fix a hard shift issue in my Ford Explorer

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

605 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 hard shifting issues in Ford Explorer. 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 components.
•Allow the engine to cool down before inspecting the transmission.

Symptoms

•Hard or abrupt shifting between gears
•Delay in shifting
•Engine RPMs increase without corresponding vehicle speed
•Check engine light illuminated
•Unusual noises during gear changes

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related fault codes.
2
Check the transmission fluid level and condition; look for signs of contamination or burning.
3
Inspect the transmission linkage and cables for proper adjustment and any signs of wear or damage.
4
Perform a visual inspection of the transmission pan for leaks or signs of fluid degradation.
5
Test the transmission solenoids' function using a multimeter to ensure they are operating correctly.
6
Examine the condition of the throttle position sensor (TPS) and its connection, as it can affect shifting behavior.

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
•Transmission fluid pump
•10mm socket
•Torque wrench
•Multimeter
•Socket set
•Drain pan
•Funnel

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Transmission gasket
•Transmission solenoids (if needed)
•Throttle position sensor (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related fault codes.
2
Check the transmission fluid level and condition; look for signs of contamination or burning.
3
Inspect the transmission linkage and cables for proper adjustment and any signs of wear or damage.
4
Perform a visual inspection of the transmission pan for leaks or signs of fluid degradation.
5
Test the transmission solenoids' function using a multimeter to ensure they are operating correctly.
6
Examine the condition of the throttle position sensor (TPS) and its connection, as it can affect shifting behavior.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Tools Required:
- Transmission fluid pump
- 10mm socket
- Drain pan
- Funnel
Sub-steps:
1. Place a drain pan under the transmission pan.
2. Remove the transmission pan bolts using a 10mm socket.
3. Carefully lower the pan and allow the old fluid to drain completely.
4. Inspect the transmission filter; replace if damaged or clogged.
5. Install a new gasket on the transmission pan and reattach the pan with bolts torqued to manufacturer specifications (typically around 12-15 ft-lbs).
6. Fill the transmission with the recommended fluid type through the dipstick tube using a funnel until it reaches the appropriate level.

3. Inspect and Replace Transmission Solenoids (if necessary)

Tools Required:
- Socket set
- Torque wrench
Sub-steps:
1. Remove the transmission pan as described in Step 2.
2. Locate the transmission solenoids on the valve body.
3. Disconnect the electrical connectors from the solenoids.
4. Remove the solenoids using the appropriate socket.
5. Install the new solenoids in reverse order and torque to specifications.
6. Reassemble the transmission pan and refill fluid as outlined in Step 2.

4. Throttle Position Sensor Inspection and Adjustment

Tools Required:
- Multimeter
- Socket set
Sub-steps:
1. Locate the throttle position sensor on the throttle body.
2. Disconnect the electrical connector and test the sensor's voltage output using a multimeter.
3. If out of specification, replace the sensor with a new one.
4. Reconnect the electrical connector and verify proper operation by checking for smooth throttle response.