my Ford Explorer Fifth Generation (2011-2019) has delayed shifting, what should I check

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

573 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 delayed shifting issues in Ford Explorer Fifth Generation (2011-2019). 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 systems.
•Allow engine to cool before opening the transmission system.

Symptoms

•Delayed engagement when shifting from park to drive or reverse
•Harsh or rough shifting between gears
•Slipping of the transmission during acceleration
•Unusual noises during shifting (e.g., grinding or whining)
•Check engine light illuminated
•Increased engine RPM without corresponding vehicle speed increase

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 (color and smell).
3
Inspect the transmission fluid for contamination or debris.
4
Examine the transmission filter for clogging or restrictions.
5
Test the battery voltage and charging system, as low voltage can affect transmission operation.
6
Inspect the transmission control module (TCM) for proper operation and connections.

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
•Transmission fluid dipstick
•Funnel
•Fluid pump
•Drain pan

Parts Required

•Transmission filter
•Transmission fluid (as specified by manufacturer)
•Transmission pan gasket (if needed)
•Transmission control module (if needed)

Related Faults

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Symptoms

•Delayed engagement when shifting from park to drive or reverse

•Harsh or rough shifting between gears

•Slipping of the transmission during acceleration

•Unusual noises during shifting (e.g., grinding or whining)

•Check engine light illuminated

•Increased engine RPM without corresponding vehicle speed increase

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 (color and smell).
3
Inspect the transmission fluid for contamination or debris.
4
Examine the transmission filter for clogging or restrictions.
5
Test the battery voltage and charging system, as low voltage can affect transmission operation.
6
Inspect the transmission control module (TCM) for proper operation and connections.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, transmission fluid dipstick, funnel.
Ensure the vehicle is on a level surface and the engine is cool.
Disconnect the battery to prevent electrical shorts.

2. Check Transmission Fluid

Remove the transmission dipstick and wipe it clean with a lint-free cloth.
Reinsert the dipstick fully and remove it again to check the fluid level.
If fluid is low, add the manufacturer-recommended transmission fluid as specified in the owner’s manual.

3. Change Transmission Fluid and Filter

Tools Required: Socket set, fluid pump, drain pan.
Place a drain pan under the transmission pan to catch old fluid.
Remove the transmission pan bolts using a socket wrench, and carefully lower the pan.
Remove the old filter and replace it with a new one, ensuring proper alignment.
Clean the transmission pan and magnet to remove debris.
Reinstall the pan with a new gasket, tightening bolts to the manufacturer's torque specifications.
Fill the transmission with new fluid through the dipstick tube using a funnel.

4. Inspect/Replace Transmission Control Module (if needed)

Disconnect the battery again for safety.
Locate the TCM, typically found on the side or rear of the transmission.
Inspect the TCM for any physical damage or loose connections.
If necessary, remove the TCM using the socket set and replace it with a new unit, ensuring all connectors are secure.
Reconnect the battery.