my Ford Explorer makes a loud noise when I accelerate what's happening

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

479 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 engine to cool before inspecting components.

Symptoms

•Loud noise that increases with acceleration
•Possible vibration felt through the vehicle
•Noise may vary based on engine RPM
•Check engine light may be illuminated
•Reduced power or sluggish acceleration

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage.
2
Check for loose or damaged engine mounts.
3
Scan for error codes using an OBD-II scanner.
4
Examine the serpentine belt for wear or damage.
5
Inspect the intake system for any obstructions or damage.
6
Test drive the vehicle to identify the noise source while accelerating.

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
•Jack stands
•Rubber mallet
•Socket set
•Pry bar
•Belt tensioner tool
•Screwdriver set

Parts Required

•Exhaust components (if needed)
•Engine mounts (if needed)
•Serpentine belt (if needed)
•Throttle body cleaner

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage.
2
Check for loose or damaged engine mounts.
3
Scan for error codes using an OBD-II scanner.
4
Examine the serpentine belt for wear or damage.
5
Inspect the intake system for any obstructions or damage.
6
Test drive the vehicle to identify the noise source while accelerating.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Inspect Exhaust System

Sub-steps:
1. Raise the vehicle using jack stands.
2. Visually inspect the exhaust pipes and muffler for holes or rust.
3. Tap the exhaust with a rubber mallet to identify loose components.
4. Replace any damaged sections with new exhaust parts.
Tools Required: Jack stands, rubber mallet, socket set.

3. Check Engine Mounts

Sub-steps:
1. Locate engine mounts by referencing the service manual.
2. Use a pry bar to check for excessive movement in the mounts.
3. Replace any worn or damaged engine mounts.
Tools Required: Pry bar, socket set.

4. Inspect Serpentine Belt

Sub-steps:
1. Remove the serpentine belt using a belt tensioner tool.
2. Inspect for cracks, fraying, or glazing on the belt surface.
3. Replace the belt if any damage is found.
Tools Required: Belt tensioner tool, socket set.

5. Check Intake System

Sub-steps:
1. Remove the air intake duct and inspect for blockages or damage.
2. Clean the throttle body if there is carbon buildup.
3. Reassemble the intake system securely.
Tools Required: Screwdriver set, throttle body cleaner.