why does my Ford Explorer Fifth Generation (2011-2019) make a clunking noise when shifting

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

522 words

Problem Statement

Learn how to diagnose and fix clunking noise when shifting in Ford Explorer 2011-2019. 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 battery before working on electrical systems.
•Allow engine to cool before opening the transmission fluid fill port.

Symptoms

•Clunking noise during gear shifts
•Hesitation or delayed engagement when shifting
•Vibrations felt through the floor or steering wheel
•Possible slipping of gears
•Unusual noises during acceleration or deceleration

Diagnostic Steps

1
Inspect transmission fluid level and condition; add or replace if necessary.
2
Scan the vehicle’s onboard diagnostics (OBD-II) for any error codes related to the transmission.
3
Check for any visible leaks or damage in the transmission and drivetrain components.
4
Test drive the vehicle to replicate the noise in various driving conditions.
5
Inspect engine and transmission mounts for wear or damage.
6
Check the condition of the driveshaft and universal joints for play or wear.

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

•Transmission fluid pump
•Wrench set
•Fluid catch pan
•Socket set
•Torque wrench
•U-joint puller
•OBD-II scanner

Parts Required

•Transmission fluid (Mercon LV)
•Transmission fluid filter (if applicable)
•Engine/transmission mounts (if damaged)
•Driveshaft U-joints (if worn)

Related Faults

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Diagnostic Steps

1
Inspect transmission fluid level and condition; add or replace if necessary.
2
Scan the vehicle’s onboard diagnostics (OBD-II) for any error codes related to the transmission.
3
Check for any visible leaks or damage in the transmission and drivetrain components.
4
Test drive the vehicle to replicate the noise in various driving conditions.
5
Inspect engine and transmission mounts for wear or damage.
6
Check the condition of the driveshaft and universal joints for play or wear.

Solution

1. Preparation

Gather tools and materials.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent any electrical issues during repairs.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check the fluid level and condition.
2. If fluid is low or dirty, drain the old fluid using a fluid pump or drain plug.
3. Replace the transmission fluid filter if applicable.
4. Refill with the manufacturer-recommended transmission fluid (Mercon LV for Ford).

Tools Required:

Transmission fluid pump
Wrench set
Fluid catch pan

3. Inspect and Replace Engine/Transmission Mounts

Sub-steps:
1. Lift the vehicle using a jack and secure it with jack stands.
2. Inspect the engine and transmission mounts for cracks or signs of wear.
3. If damaged, remove the bolts securing the mount to the engine and frame.
4. Replace with new mounts and torque the bolts to the manufacturer's specifications.

Tools Required:

Socket set
Torque wrench

4. Inspect and Replace Driveshaft U-joints

Sub-steps:
1. Remove the driveshaft by unbolting the U-joint caps.
2. Inspect U-joints for play or wear; replace if necessary.
3. Reinstall the driveshaft and ensure it is properly aligned.
4. Torque bolts to the manufacturer’s specifications.

Tools Required:

U-joint puller
Torque wrench