how to fix Ford F-150 13th Generation (2015-2020) shuddering during acceleration

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

701 words

Problem Statement

Learn how to diagnose and fix shuddering during acceleration in Ford F-150 13th Generation (2015-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Drivetrain

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery to prevent any electrical issues during repairs.
•Ensure the vehicle is parked on a level surface and the parking brake is engaged.

Symptoms

•Shuddering or vibration felt through the seat and steering wheel during acceleration
•Check engine light may be illuminated
•Engine misfire or rough idle at times
•Decreased acceleration performance
•Unusual noises from the engine or transmission
•Increased fuel consumption

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for stored trouble codes.
2
Inspect engine mounts for signs of wear or damage that could cause vibrations.
3
Check the transmission fluid level and condition; look for signs of contamination or burning.
4
Perform a visual inspection of the driveshaft and CV joints for any signs of damage or wear.
5
Test ignition system components (spark plugs, ignition coils) for proper operation.
6
Check for vacuum leaks that could lead to engine performance issues.

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
•Funnel
•Spark plug socket
•Vacuum gauge
•Hose clamps

Parts Required

•Engine mounts (if worn)
•Transmission fluid
•Transmission filter (if equipped)
•Spark plugs
•Ignition coils (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for stored trouble codes.
2
Inspect engine mounts for signs of wear or damage that could cause vibrations.
3
Check the transmission fluid level and condition; look for signs of contamination or burning.
4
Perform a visual inspection of the driveshaft and CV joints for any signs of damage or wear.
5
Test ignition system components (spark plugs, ignition coils) for proper operation.
6
Check for vacuum leaks that could lead to engine performance issues.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the battery to prevent any electrical issues during repairs.

2. Inspect and Replace Engine Mounts

Tools Required: Socket set, torque wrench
Sub-steps:
1. Locate the engine mounts; they are typically found on either side of the engine.
2. Use a socket set to remove the bolts securing the engine mounts to the engine and frame.
3. Carefully lift the engine slightly using a jack to relieve pressure on the mounts.
4. Remove and inspect the old mounts for signs of cracking or wear.
5. Install new engine mounts and torque bolts to manufacturer specifications.

3. Transmission Fluid Inspection and Replacement

Tools Required: Transmission fluid pump, funnel, socket set
Sub-steps:
1. Locate the transmission dipstick or drain plug.
2. Check the transmission fluid level and condition; if it’s low or burnt, proceed to replace it.
3. Drain the old transmission fluid using the drain plug.
4. Replace the transmission filter if applicable, following the manufacturer’s guidelines.
5. Refill with the appropriate type of transmission fluid using a fluid pump and funnel.
6. Start the engine and allow it to warm up, then check the fluid level again and top off if necessary.

4. Inspect and Replace Spark Plugs and Ignition Coils

Tools Required: Spark plug socket, torque wrench
Sub-steps:
1. Remove the engine cover if equipped.
2. Disconnect the spark plug wires or ignition coil connectors.
3. Use a spark plug socket to remove the old spark plugs.
4. Inspect the spark plugs for wear; replace if necessary with OEM specifications.
5. Reinstall the new spark plugs and reconnect the ignition coils or wires.

5. Check and Repair Vacuum Leaks

Tools Required: Vacuum gauge, hose clamps
Sub-steps:
1. Use a vacuum gauge to check for proper vacuum levels at the intake manifold.
2. Inspect all vacuum hoses for cracks, leaks, or disconnections.
3. Replace any damaged hoses and ensure all connections are secure.
4. Test drive the vehicle to ensure the shuddering issue is resolved.