why does my Ford F-150 13th Generation (2015-2020) transmission jerk when shifting

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

541 words

Problem Statement

Learn how to diagnose and fix transmission jerking in Ford F-150 (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 electronic components.
•Ensure the vehicle is securely lifted if working underneath it.

Symptoms

•Jerking or harsh shifting when transitioning between gears
•Slipping of gears during acceleration
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises (clunking or grinding) during gear changes
•Dashboard warning lights illuminated (e.g., Check Engine light)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related codes.
2
Check transmission fluid level and condition; look for signs of contamination or burning smell.
3
Inspect transmission linkage for any signs of wear or misalignment.
4
Test the transmission control module (TCM) for proper operation using a multimeter.
5
Perform a road test to observe the behavior of the transmission 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
•Multimeter
•Funnel
•Clean rag
•Transmission fluid pump
•Drain pan

Parts Required

•Transmission fluid (specific type for Ford F-150)
•Transmission filter (if applicable)
•Transmission control module (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related codes.
2
Check transmission fluid level and condition; look for signs of contamination or burning smell.
3
Inspect transmission linkage for any signs of wear or misalignment.
4
Test the transmission control module (TCM) for proper operation using a multimeter.
5
Perform a road test to observe the behavior of the transmission under various driving conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Check Transmission Fluid

Tools Required: Funnel, clean rag.
Remove the transmission dipstick and wipe it clean.
Insert the dipstick back into the tube and remove it again to check the fluid level.
If low, add the appropriate type of transmission fluid (consult the owner's manual for specifications).
If the fluid is dark or has a burnt smell, a fluid change is recommended.

3. Inspect Transmission Linkage

Tools Required: Socket set, wrenches.
Locate and visually inspect the transmission linkage for any wear or loose connections.
Tighten any loose bolts or replace damaged components.

4. Test Transmission Control Module (TCM)

Tools Required: Multimeter.
Locate the TCM and disconnect the wiring harness.
Use a multimeter to check for voltage and continuity according to the manufacturer's specifications.
If faulty, replace the TCM with a new unit.

5. Fluid Change (if necessary)

Tools Required: Transmission fluid pump, drain pan, socket set.
Drain the old fluid using the drain plug on the transmission pan.
Replace the transmission filter if applicable.
Refill with new transmission fluid through the dipstick tube using a funnel.