how to identify if the driveshaft is bad on Ford F-150 13th Generation (2015-2020)

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

551 words

Problem Statement

Learn how to identify and fix a bad driveshaft on Ford F-150 (2015-2020). Step-by-step diagnostic and repair instructions included.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a lifted vehicle.
•Disconnect the battery before working on electrical components.

Symptoms

•Vibration felt in the cabin or through the steering wheel at certain speeds
•Clunking noises when accelerating or decelerating
•Grinding or scraping sounds during turns
•Difficulty in engaging or disengaging the transmission
•Visual inspection shows signs of rust or damage on the driveshaft

Diagnostic Steps

1
Inspect the driveshaft visually for any visible damage, rust, or bends.
2
Check for proper driveshaft alignment and mounting.
3
Lift the vehicle and manually rotate the driveshaft to feel for rough spots or binding.
4
Listen for unusual noises while the vehicle is in gear and moving slowly.
5
Use a stethoscope or mechanic's listening device to pinpoint noise sources while the vehicle is in motion.
6
Check U-joints for play or wear by attempting to move them side to side.

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

•Jack and jack stands
•Wheel chocks
•Socket set
•Torque wrench
•U-joint puller
•Lubricant

Parts Required

•Replacement driveshaft (if damaged)
•Replacement U-joints (if worn)

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Diagnostic Steps

1
Inspect the driveshaft visually for any visible damage, rust, or bends.
2
Check for proper driveshaft alignment and mounting.
3
Lift the vehicle and manually rotate the driveshaft to feel for rough spots or binding.
4
Listen for unusual noises while the vehicle is in gear and moving slowly.
5
Use a stethoscope or mechanic's listening device to pinpoint noise sources while the vehicle is in motion.
6
Check U-joints for play or wear by attempting to move them side to side.

Solution

1. Preparation

Tools Required: Jack and jack stands, wheel chocks, socket set, torque wrench, U-joint puller (if necessary), lubricant.
Ensure the vehicle is parked on a level surface and engage the parking brake. Disconnect the negative battery terminal for safety.

2. Remove Driveshaft

Lift the Vehicle:
- Use a jack to lift the rear of the vehicle and secure it with jack stands.
Remove the Bolts:
- Using a socket set, remove the bolts securing the driveshaft to the rear axle and transmission.
- Note the orientation of the driveshaft for proper installation.
Disconnect U-Joints:
- If necessary, use a U-joint puller to disconnect the U-joints from the yoke.

3. Inspect Components

Check U-Joints and Carrier Bearings:
- Inspect U-joints for wear; replace if any play is detected.
- Check carrier bearings for smooth operation and no play.
Inspect Driveshaft:
- Examine the entire length of the driveshaft for cracks, dents, or significant rust.

4. Replace Driveshaft (if necessary)

Install New Driveshaft:
- Align the new driveshaft with the marked orientation and secure it with the bolts.
- Torque the bolts to manufacturer specifications (typically around 15-20 ft-lbs).
Reconnect U-Joints:
- Install new U-joints if they were found to be faulty, ensuring they are properly lubricated.

5. Final Checks

Reconnect the negative battery terminal.
Lower the vehicle and perform a final inspection to ensure all components are secure.