my Ford Explorer has a loud noise when I accelerate what’s causing it

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

468 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 battery before working on electrical systems.
•Allow the exhaust system to cool before inspection or repairs.

Symptoms

•Loud noise increases with acceleration
•Possible vibrations felt through the vehicle
•Noise may change pitch or tone with speed
•Potential loss of power during acceleration
•Possible check engine light illuminated

Diagnostic Steps

1
Inspect the exhaust system for leaks or loose components.
2
Check for any loose or damaged heat shields.
3
Examine the engine mounts for signs of wear or damage.
4
Listen for noise location using a stethoscope or mechanic's stethoscope.
5
Inspect the drive belt and pulleys for wear or damage.
6
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

•Wrench set
•Socket set
•Flashlight
•Jack
•Jack stands
•OBD-II scanner

Parts Required

•Exhaust components (if damaged)
•Engine or transmission mounts (if damaged)
•Drive belt (if worn)

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Diagnostic Steps

1
Inspect the exhaust system for leaks or loose components.
2
Check for any loose or damaged heat shields.
3
Examine the engine mounts for signs of wear or damage.
4
Listen for noise location using a stethoscope or mechanic's stethoscope.
5
Inspect the drive belt and pulleys for wear or damage.
6
Scan for error codes using an OBD-II scanner.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety.

2. Inspect the Exhaust System

Tools Required: Wrench set, flashlight
Carefully examine the exhaust pipes, muffler, and catalytic converter for any signs of damage or leaks.
Tighten any loose clamps or connections.
If a hole or crack is found, replace the affected section of the exhaust.

3. Check Heat Shields

Tools Required: Socket set
Inspect all heat shields around the exhaust system for looseness or damage.
Tighten or replace any loose heat shields to eliminate rattling noises.

4. Examine Engine and Transmission Mounts

Tools Required: Jack, jack stands, socket set
Lift the vehicle and secure it with jack stands.
Inspect engine and transmission mounts for cracks or signs of failure.
Replace any damaged mounts to reduce vibrations and noises.

5. Inspect Drive Belt and Pulleys

Tools Required: Wrench set, flashlight
Check the condition of the drive belt for cracks or fraying.
Spin the pulleys by hand to check for roughness or noise.
Replace the drive belt or any damaged pulleys as necessary.