my Ford Explorer makes a loud noise when accelerating what's wrong

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 inspecting or working on exhaust components.

Symptoms

•Loud noise that increases with acceleration
•Possible vibrations felt in the cabin
•Decreased acceleration performance
•Check engine light may illuminate
•Unusual smells if related to exhaust leaks

Diagnostic Steps

1
Inspect the exhaust system for any visible damage or loose components.
2
Check for any error codes using an OBD-II scanner.
3
Listen for the noise while the vehicle is stationary and in gear, then while moving.
4
Inspect the engine mounts for wear or damage.
5
Check the drivetrain components for signs of wear or damage.

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
•Flashlight
•Exhaust pipe cutter

Parts Required

•Exhaust pipes or muffler if damaged
•Hangers or clamps if worn

Related Faults

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Diagnostic Steps

1
Inspect the exhaust system for any visible damage or loose components.
2
Check for any error codes using an OBD-II scanner.
3
Listen for the noise while the vehicle is stationary and in gear, then while moving.
4
Inspect the engine mounts for wear or damage.
5
Check the drivetrain components for signs of wear or damage.

Solution

1. Preparation

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

2. Inspect the Exhaust System

Sub-steps:
- Raise the vehicle securely on jack stands.
- Visually inspect the exhaust pipes, muffler, and catalytic converter for cracks or holes.
- Check all hangers and clamps for looseness.
Tools Required: Jack stands, flashlight.

3. Repair or Replace Exhaust Components

Sub-steps:
- If any damage is found, remove the affected section of the exhaust using a socket set.
- Replace any damaged parts with OEM or high-quality aftermarket components.
- Reinstall the exhaust system securely, ensuring all clamps and hangers are tight.
Tools Required: Socket set, exhaust pipe cutter (if necessary).

4. Inspect Drivetrain Components

Sub-steps:
- Inspect the driveshaft for any signs of damage or excessive play.
- Check CV joints for torn boots or noise during rotation.
- Replace any worn-out components as necessary.
Tools Required: Jack stands, socket set, pry bar.