my Ford Explorer makes a loud noise when I accelerate what could be wrong

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

467 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 inspecting the exhaust system.

Symptoms

•Loud noise or rumbling sound when accelerating
•Vibration felt through the vehicle during acceleration
•Decreased engine performance or power
•Possible check engine light illumination
•Unusual exhaust smell (if related to exhaust system)

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage.
2
Check for loose or damaged heat shields.
3
Scan for error codes using an OBD-II scanner to identify potential engine issues.
4
Examine the drivetrain components, including the driveshaft and differential, for wear or damage.
5
Test the engine mounts for excessive wear or failure.
6
Listen for changes in noise when the vehicle is in neutral versus drive.

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
•Jack stands
•Safety glasses
•Gloves

Parts Required

•Replacement exhaust components (if damaged)
•Engine mounts (if found defective)
•Heat shield bolts (if missing or damaged)

Related Faults

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Diagnostic Steps

1
Inspect the exhaust system for leaks or damage.
2
Check for loose or damaged heat shields.
3
Scan for error codes using an OBD-II scanner to identify potential engine issues.
4
Examine the drivetrain components, including the driveshaft and differential, for wear or damage.
5
Test the engine mounts for excessive wear or failure.
6
Listen for changes in noise when the vehicle is in neutral versus drive.

Solution

1. Preparation

Gather tools: OBD-II scanner, socket set, jack stands, safety glasses, and gloves.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent any electrical issues.

2. Inspect Exhaust System

Use a flashlight to visually inspect the exhaust pipes, catalytic converter, and muffler for rust, holes, or loose connections.
If a leak is found, mark the area for repair or replacement.

3. Check Heat Shields

Inspect all heat shields for rust or loose bolts.
Tighten any loose bolts or replace damaged heat shields as necessary.

4. Examine Drivetrain Components

Lift the vehicle using jack stands and inspect the driveshaft for any signs of damage or looseness.
Check the differential for leaks or abnormal noises by rotating the driveshaft manually.

5. Test Engine Mounts

Visually inspect engine mounts for cracks or signs of wear.
If mounts are damaged, replace them with new mounts using a socket set to remove bolts.

6. Reassemble and Connect Battery

Reassemble any components removed during inspection.
Reconnect the battery and ensure all connections are tight.