how to fix Ford Explorer Fifth Generation (2011-2019) hard shifting transmission issues

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

580 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 transmission issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical components.
•Allow the engine to cool before opening the transmission system to prevent burns.

Symptoms

•Harsh or jerky shifts between gears
•Delayed engagement when shifting into drive or reverse
•Unusual noises during shifting, such as clunks or grinding
•Check engine light illuminated
•Transmission fluid leaks under the vehicle
•Increased engine RPM without corresponding acceleration

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 burnt smell or dark color.
3
Inspect transmission wiring and connectors for damage or corrosion.
4
Perform a visual inspection of the transmission mount for wear or damage.
5
Test the transmission control module (TCM) for proper function.
6
Examine the valve body for blockages or damage.

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 pump
•Fluid catch pan

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter (if applicable)
•Transmission control module (if necessary)
•Valve body gasket (if removing valve body)

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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 burnt smell or dark color.
3
Inspect transmission wiring and connectors for damage or corrosion.
4
Perform a visual inspection of the transmission mount for wear or damage.
5
Test the transmission control module (TCM) for proper function.
6
Examine the valve body for blockages or damage.

Solution

1. Preparation

Gather tools and parts. Ensure the vehicle is on a level surface.
Disconnect the battery to avoid electrical shorts.
Tools Required: OBD-II scanner, socket set, torque wrench, transmission fluid pump, fluid catch pan.

2. Check and Replace Transmission Fluid

Sub-step 1: Remove the transmission dipstick and check the fluid level. If low, add the manufacturer-recommended fluid.
Sub-step 2: If the fluid is dirty or burnt, drain the old fluid into a catch pan.
Sub-step 3: Replace the transmission filter if applicable, following the manufacturer’s specifications.
Sub-step 4: Refill the transmission with new fluid according to the specifications (typically Mercon LV for Ford).
Sub-step 5: Start the engine and cycle through the gears to ensure fluid circulates, then recheck fluid level.

3. Inspect and Replace Transmission Control Module (TCM) if Necessary

Sub-step 1: Locate the TCM, usually near the transmission or under the dashboard.
Sub-step 2: Disconnect the wiring harness and remove the TCM.
Sub-step 3: Install a new TCM and reconnect the wiring harness.
Sub-step 4: Clear any error codes using the OBD-II scanner and test drive.

4. Repair or Replace Valve Body if Needed

Sub-step 1: If the valve body is suspected of being blocked or damaged, remove the transmission pan.
Sub-step 2: Remove the valve body and inspect for wear or debris.
Sub-step 3: Clean the valve body passages, or replace it if damaged.
Sub-step 4: Reassemble by reversing the removal steps, ensuring all bolts are torqued to manufacturer specifications.