how to fix hard shifting in Ford F-150 13th Generation (2015-2020)

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

547 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 F-150 13th Generation (2015-2020). 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 the battery before working on electrical systems.
•Allow the engine to cool before working on the transmission.

Symptoms

•Noticeable jolt during gear shifts
•Delay in shifting or delayed engagement
•Unusual noise during shifting (clunking or grinding)
•Check engine light illuminated
•Poor acceleration or loss of power
•Increased RPM before shifting

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related issues.
2
Check transmission fluid level and condition; ensure it is clean and at the proper level.
3
Inspect the transmission fluid for any signs of contamination or burnt smell.
4
Examine the transmission control module (TCM) for fault codes or malfunctions.
5
Test the throttle position sensor (TPS) and vehicle speed sensor (VSS) for proper operation.
6
Visually inspect wiring and connectors related to the transmission for damage or corrosion.

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
•Drain pan
•Screwdrivers
•Multimeter

Parts Required

•Transmission fluid (specific type as per manufacturer)
•Transmission filter (if applicable)
•Transmission pan gasket
•Throttle position sensor (if replacement is needed)
•Transmission control module (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related issues.
2
Check transmission fluid level and condition; ensure it is clean and at the proper level.
3
Inspect the transmission fluid for any signs of contamination or burnt smell.
4
Examine the transmission control module (TCM) for fault codes or malfunctions.
5
Test the throttle position sensor (TPS) and vehicle speed sensor (VSS) for proper operation.
6
Visually inspect wiring and connectors related to the transmission for damage or corrosion.

Solution

1. Preparation

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

2. Transmission Fluid Change

Sub-steps:
1. Place a drain pan under the transmission pan.
2. Remove the transmission pan bolts using a socket set and carefully lower the pan to drain the old fluid.
3. Inspect the transmission filter; replace if necessary.
4. Clean the transmission pan and magnet to remove debris.
5. Reinstall the transmission pan with a new gasket and torque bolts to the manufacturer's specifications (typically 8-10 ft-lbs).

3. Replace Transmission Control Module (if necessary)

Sub-steps:
1. Locate the TCM, typically found near the transmission or under the dashboard.
2. Disconnect the wiring harness from the TCM.
3. Remove the TCM mounting screws and take out the module.
4. Install the new TCM by reversing the removal process.
5. Reconnect the battery.

4. Throttle Position Sensor Adjustment

Sub-steps:
1. Locate the TPS on the throttle body.
2. Remove the electrical connector and the screws securing the TPS.
3. Adjust or replace the TPS as needed; ensure the new sensor is properly aligned.
4. Reconnect the electrical connector.