my Ford Explorer makes a clunking noise when shifting into gear what should I check

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

491 words

Problem Statement

Learn how to diagnose and fix clunking noise when shifting in Ford Explorer. 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 the battery before working on electrical systems.
•Allow the engine to cool before working on the transmission.
•Use jack stands to support the vehicle securely.

Symptoms

•Clunking noise heard during gear shifts
•Slipping or delayed engagement of gears
•Vibration felt in the vehicle when shifting
•Unusual sounds when starting from a stop
•Potential fluid leaks under the vehicle

Diagnostic Steps

1
Inspect transmission fluid level and condition using the dipstick; check for burnt smell or discoloration.
2
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
3
Visually inspect the transmission mount for signs of wear or damage.
4
Check the universal joints (U-joints) in the driveshaft for play or wear.
5
Inspect the engine and transmission mounts for deterioration or failure.
6
Test drive the vehicle while listening for noise variations during gear changes.

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
•Jack and jack stands
•Screwdriver set

Parts Required

•Transmission fluid (specific to the vehicle)
•Transmission mount (if needed)
•U-joints (if needed)

Related Faults

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Diagnostic Steps

1
Inspect transmission fluid level and condition using the dipstick; check for burnt smell or discoloration.
2
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
3
Visually inspect the transmission mount for signs of wear or damage.
4
Check the universal joints (U-joints) in the driveshaft for play or wear.
5
Inspect the engine and transmission mounts for deterioration or failure.
6
Test drive the vehicle while listening for noise variations during gear changes.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is on a level surface and secure it with wheel chocks.
Disconnect the battery to avoid any electrical issues.

2. Check and Replace Fluid

Sub-steps:
1. Remove the transmission dipstick and wipe it clean.
2. Insert the dipstick back and pull it out to check the fluid level.
3. If low, add the manufacturer-specified transmission fluid (check the owner's manual for type).
4. If fluid is burnt or contaminated, drain the transmission fluid completely.
5. Replace with new fluid according to capacity specifications.

3. Inspect and Replace Transmission Mount

Sub-steps:
1. Locate the transmission mount (usually between the transmission and the chassis).
2. Remove the bolts securing the mount to the transmission and chassis using a socket set.
3. Carefully lower the transmission slightly to access the mount.
4. Replace the mount with a new one, ensuring proper alignment.
5. Torque the mount bolts to the manufacturer’s specifications.

4. Inspect and Replace U-Joints

Sub-steps:
1. Lift the vehicle safely using jack stands.
2. Inspect the U-joints for play by trying to move them in different directions.
3. If worn, remove the U-joint retaining clips and bolts.
4. Replace the U-joint with a new one, ensuring proper grease application.
5. Reinstall retaining clips and bolts, torque to specifications.

5. Reinstall and Test

Sub-steps:
1. Reconnect the battery.
2. Start the vehicle and allow it to warm up.
3. Test drive the vehicle to confirm that the clunking noise has been resolved.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
Transmission fluid pump
Jack and jack stands
Screwdriver set

Parts Required:

Transmission fluid (specific to the vehicle)
Transmission mount (if needed)
U-joints (if needed)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical systems.
Allow the engine to cool before working on the transmission.
Use jack stands to support the vehicle securely.