why does my Ford Explorer 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

497 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 components.
•Ensure the vehicle is securely supported on jack stands before working underneath.

Symptoms

•Clunking noise when shifting gears
•Delayed engagement when shifting from Park to Drive or Reverse
•Vibrations felt in the cabin during acceleration
•Transmission slipping or harsh shifting
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related faults.
2
Inspect the transmission fluid level and condition; look for burnt smell or metal shavings.
3
Check for any visible damage or wear to the transmission mounts.
4
Inspect the driveshaft and U-joints for play or damage.
5
Examine the engine mounts for signs of wear or failure.
6
Test the operation of the transmission linkage for proper adjustment and function.

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
•U-joint puller
•Jack and jack stands

Parts Required

•Transmission mounts
•U-joints (if needed)
•Transmission fluid

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for transmission-related faults.
2
Inspect the transmission fluid level and condition; look for burnt smell or metal shavings.
3
Check for any visible damage or wear to the transmission mounts.
4
Inspect the driveshaft and U-joints for play or damage.
5
Examine the engine mounts for signs of wear or failure.
6
Test the operation of the transmission linkage for proper adjustment and function.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on the vehicle.

2. Inspect and Replace Transmission Mounts

Raise the vehicle securely on jack stands.
Locate the transmission mounts (usually found on either side of the transmission).
Remove the bolts securing the transmission mounts using a socket set.
Carefully lift the transmission slightly to relieve pressure on the mounts.
Remove the old mounts and replace them with new ones.
Reinstall the bolts and torque them to the manufacturer’s specifications (typically around 30-50 ft-lbs).
Lower the vehicle back to the ground.

3. Inspect and Replace U-joints (if necessary)

If driveshaft U-joints are suspected, remove the driveshaft by unbolting it from the differential and transmission.
Use a U-joint puller to remove the old U-joints.
Install the new U-joints, ensuring they are properly greased.
Reinstall the driveshaft and torque the bolts to the specified settings (around 15-25 ft-lbs).
Recheck the alignment of the driveshaft.

4. Check Transmission Fluid

Remove the transmission dipstick and check the fluid level, adding fluid if low.
If the fluid appears burnt or contains metal shavings, consider a transmission fluid change or flush.
Use the manufacturer-recommended transmission fluid type when refilling.