how to diagnose Ford Explorer Fifth Generation (2011-2019) U-joint issues

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

576 words

Problem Statement

Learn how to diagnose and fix U-joint issues in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Always disconnect the battery before working on electrical components.
•Allow the vehicle to cool down before performing any maintenance.

Symptoms

•Unusual clunking or popping noises when accelerating or decelerating
•Vibration felt in the vehicle, especially at certain speeds
•Difficulty in steering or handling
•Visible wear or damage to U-joint components
•Grease leakage around U-joint areas

Diagnostic Steps

1
Examine the U-joints for visible signs of wear, rust, or damage.
2
Grasp the driveshaft and attempt to move it up and down as well as side to side to check for excessive play in the U-joints.
3
Take the vehicle for a test drive to replicate symptoms, noting when vibrations or noises occur.
4
With the vehicle on a lift, run the engine and listen for any abnormal sounds from the U-joint while shifting through gears.
5
Inspect the driveshaft alignment to ensure it is properly aligned with no misalignment issues affecting the U-joint.
6
Check the grease fittings for clogs and ensure they are properly lubricated.

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
•Socket set
•Wrench set
•Grease gun
•Safety glasses
•Gloves
•U-joint puller

Parts Required

•Replacement U-joint(s)
•New bolts (if damaged or corroded)

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Diagnostic Steps

1
Examine the U-joints for visible signs of wear, rust, or damage.
2
Grasp the driveshaft and attempt to move it up and down as well as side to side to check for excessive play in the U-joints.
3
Take the vehicle for a test drive to replicate symptoms, noting when vibrations or noises occur.
4
With the vehicle on a lift, run the engine and listen for any abnormal sounds from the U-joint while shifting through gears.
5
Inspect the driveshaft alignment to ensure it is properly aligned with no misalignment issues affecting the U-joint.
6
Check the grease fittings for clogs and ensure they are properly lubricated.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, wrench set, grease gun, safety glasses, gloves.
Safety Warnings: Ensure the vehicle is securely supported on jack stands before working underneath.

2. Remove Driveshaft

Disconnect Driveshaft: Using the socket set, remove the bolts securing the driveshaft to the U-joint. Keep track of all fasteners.
Slide off Driveshaft: Carefully slide the driveshaft out from the U-joint on the transmission side and the rear axle side.

3. Inspect and Replace U-joint

Inspect U-joint: Check the U-joint for signs of wear or damage. If any issues are found, proceed to replace it.
Remove Old U-joint: Use a U-joint puller or hammer to remove the old U-joint from the yokes.
Install New U-joint:
- Apply grease to the new U-joint.
- Insert the new U-joint into the yokes and secure it.
- Ensure that the U-joint moves freely without binding.

4. Reinstall Driveshaft

Position Driveshaft: Align the driveshaft with the U-joint and carefully slide it into place.
Secure Bolts: Reinstall and tighten the bolts to the manufacturer's specified torque settings (typically around 15-20 ft-lbs, but check the service manual for specifics).
Check Alignment: Ensure the driveshaft is aligned correctly with the transmission and rear axle.

5. Final Checks

Lubricate: If applicable, grease the new U-joint through the grease fittings.
Lower Vehicle: Remove jack stands and lower the vehicle safely.