how to troubleshoot Ford Explorer Fifth Generation (2011-2019) delayed shifting

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

584 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 troubleshoot delayed shifting in Ford Explorer (2011-2019). Step-by-step guide with 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 pan to prevent burns.

Symptoms

•Delayed or harsh shifts during acceleration
•Engine revs higher than normal before shifting
•Check engine light illuminated
•Transmission slipping or failing to engage
•Increased fuel consumption
•Unusual noises during shifting

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related issues.
2
Check the transmission fluid level and condition; look for contamination or burnt smell.
3
Inspect the transmission wiring harness and connectors for damage or corrosion.
4
Test the transmission solenoids with a multimeter to ensure they are functioning correctly.
5
Perform a road test to replicate the shifting issue and observe when it occurs.
6
Inspect the throttle position sensor for proper operation and alignment.

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
•Screwdrivers
•Torque wrench

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan
•Transmission solenoids (if necessary)
•Throttle position sensor (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related issues.
2
Check the transmission fluid level and condition; look for contamination or burnt smell.
3
Inspect the transmission wiring harness and connectors for damage or corrosion.
4
Test the transmission solenoids with a multimeter to ensure they are functioning correctly.
5
Perform a road test to replicate the shifting issue and observe when it occurs.
6
Inspect the throttle position sensor for proper operation and alignment.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface with the engine off.
Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

Sub-steps:
- Locate the transmission dipstick and remove it; check fluid level.
- If low, add the manufacturer-recommended transmission fluid (check owner's manual for specifications).
- If fluid is burnt or contaminated, proceed to a complete fluid change.
- To change fluid, drain the old fluid by removing the transmission pan bolts (use a socket set).
- Remove the transmission filter and replace it with a new one.
- Reinstall the transmission pan with a new gasket and torque bolts to manufacturer specifications (typically around 10-12 Nm).
- Refill the transmission with the new fluid through the dipstick tube.

3. Inspect and Replace Transmission Solenoids

Sub-steps:
- Remove the transmission pan (if not already done for fluid change) to access solenoids.
- Disconnect the electrical connectors from the solenoids.
- Remove the bolts securing the solenoids and take out the old solenoids.
- Install new solenoids, ensuring they are seated properly and reconnect the electrical connectors.
- Reinstall the transmission pan and refill with transmission fluid.

4. Check and Adjust Throttle Position Sensor

Sub-steps:
- Locate the throttle body and disconnect the throttle position sensor connector.
- Use a multimeter to check the voltage output of the throttle position sensor while operating the throttle.
- If out of specification, loosen the mounting screws and adjust the sensor position.
- Reconnect the connector and verify proper operation.