my Ford F-150 13th Generation (2015-2020) transmission jerks when shifting, what could be wrong?

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

556 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 transmission jerking issues in Ford F-150 (2015-2020). 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 starting any electrical work.
•Allow the engine to cool before working on the transmission or any related components.

Symptoms

•Jerking or harsh shifting during acceleration or deceleration
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises (clunking or grinding) during shifts
•Check engine light illuminated
•Decreased fuel efficiency
•Fluid leakage under the vehicle

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the transmission.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect for any visible leaks around the transmission and associated seals.
4
Test the transmission control module (TCM) for proper function.
5
Verify the condition of the engine and transmission mounts for excessive play or damage.
6
Conduct a road test to observe the behavior under various driving conditions.

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
•Transmission fluid dipstick
•Funnel
•Torque wrench

Parts Required

•Transmission fluid
•Transmission filter
•Transmission pan gasket
•Engine and transmission mounts (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to the transmission.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect for any visible leaks around the transmission and associated seals.
4
Test the transmission control module (TCM) for proper function.
5
Verify the condition of the engine and transmission mounts for excessive play or damage.
6
Conduct a road test to observe the behavior under various driving conditions.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, transmission fluid dipstick, funnel.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent any electrical issues during repair.

2. Check and Replace Transmission Fluid

Sub-steps:
- Locate the transmission dipstick (if applicable) and remove it.
- Check the fluid level; add fluid if low.
- If the fluid is dark or has a burnt smell, proceed to change it.
To Change Fluid:
- Raise the vehicle using jack stands.
- Place a drain pan under the transmission pan.
- Remove the transmission pan bolts and carefully lower the pan.
- Remove the old filter and replace it with a new one.
- Clean the pan and install a new gasket.
- Reinstall the pan and torque bolts to manufacturer specifications (usually around 10-12 ft-lbs).
- Fill transmission with the recommended fluid type (check owner’s manual for specifications).

3. Inspect and Replace Mounts

Sub-steps:
- Visually inspect engine and transmission mounts for cracks or excessive wear.
- If damaged, remove the bolts securing the mounts (use a socket set).
- Replace with new mounts and torque to specification.

4. Reprogram Transmission Control Module (if needed)

Sub-steps:
- Reconnect the battery.
- Use the OBD-II scanner to access the TCM settings.
- Follow the scanner prompts to reprogram or reset the TCM as necessary.