why is my Ford Explorer making a loud noise when I accelerate

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

463 words

Problem Statement

Learn how to diagnose and fix loud noise during acceleration in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Exhaust System

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 beginning any inspection or repair work.

Symptoms

•Loud noise when accelerating
•Vibration felt through the vehicle
•Decreased acceleration response
•Unusual rattling or grinding sounds
•Possible check engine light illuminated

Diagnostic Steps

1
Inspect the exhaust system for leaks or loose components.
2
Check the condition of the engine mounts for wear or damage.
3
Listen for the noise while stationary and revving the engine to isolate the source.
4
Perform a visual inspection of the drive belts and pulleys for wear or misalignment.
5
Scan for error codes using an OBD-II scanner.

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
•Torque wrench
•OBD-II scanner

Parts Required

•Exhaust system components (if damaged)
•Engine mounts (if worn)
•Drive belts (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the exhaust system for leaks or loose components.
2
Check the condition of the engine mounts for wear or damage.
3
Listen for the noise while stationary and revving the engine to isolate the source.
4
Perform a visual inspection of the drive belts and pulleys for wear or misalignment.
5
Scan for error codes using an OBD-II scanner.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is parked on a level surface with the engine off and cool.
Wear safety gloves and eyewear.

2. Inspect Exhaust System

Raise the vehicle using a jack and secure it with jack stands.
Visually inspect the exhaust pipes, muffler, and catalytic converter for any signs of rust, holes, or loose connections.
Tighten any loose clamps or brackets; if damaged, replace the affected components.

3. Check Engine Mounts

With the vehicle still raised, locate the engine mounts.
Inspect each mount for cracks, excessive wear, or separation.
If damaged, remove the old mounts using a socket set and replace with new ones, ensuring they are torqued to manufacturer specifications.

4. Inspect Drive Belts and Pulleys

Open the hood and inspect the drive belts for cracks or fraying.
Check for proper tension on the belts; adjust or replace as necessary.
Spin the pulleys by hand to check for smooth operation and replace any that exhibit roughness or play.

5. Final Checks

Lower the vehicle and start the engine.
Rev the engine to determine if the noise persists.
If noise continues, further diagnosis may be required, potentially involving a professional mechanic.