my Ford Explorer makes a loud noise when accelerating what is wrong

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

Problem Statement

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 to avoid burns.

Symptoms

•Loud noise when accelerating
•Possible vibration felt through the vehicle
•Loss of power during acceleration
•Unusual exhaust sounds
•Engine knocking or tapping sounds

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage.
2
Check the engine mounts for wear or failure.
3
Listen for abnormal sounds in the engine bay while the vehicle is idling.
4
Examine the drive belts for fraying or damage.
5
Scan for any trouble codes using an OBD-II scanner.
6
Test the transmission fluid level and condition.

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
•Torque wrench
•Flashlight
•Jack and jack stands
•Belt tensioner tool
•Funnel

Parts Required

•Engine mounts (if needed)
•Drive belts (if needed)
•Transmission fluid (if needed)

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 the engine mounts for wear or failure.
3
Listen for abnormal sounds in the engine bay while the vehicle is idling.
4
Examine the drive belts for fraying or damage.
5
Scan for any trouble codes using an OBD-II scanner.
6
Test the transmission fluid level and condition.

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 ensure safety.

2. Inspect Exhaust System

Sub-steps:
1. Visually inspect the exhaust pipes, muffler, and catalytic converter for any cracks or holes.
2. Use a flashlight to check for signs of rust or deterioration.
3. With the engine running, listen closely near the exhaust components for any hissing or loud sounds indicating a leak.
Tools Required: Flashlight, jack and jack stands (if necessary)

3. Check Engine Mounts

Sub-steps:
1. Locate all engine mounts and visually inspect for cracks or separation.
2. With a helper, gently rev the engine and observe if the engine moves excessively.
3. If damaged, proceed to remove and replace the faulty mounts.
Tools Required: Socket set, torque wrench

4. Examine Drive Belts

Sub-steps:
1. Inspect the drive belts for any signs of wear, such as cracks or fraying.
2. Check for proper tension; belts should not be loose or overly tight.
3. If damaged, remove the old belt and install a new one according to manufacturer specifications.
Tools Required: Socket set, belt tensioner tool (if applicable)

5. Check Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and remove it.
2. Check the fluid level and condition; fluid should be bright red and free from debris.
3. If low, add the appropriate transmission fluid as specified by the manufacturer.
4. If the fluid is burnt or contaminated, consider a transmission fluid change.
Tools Required: Funnel, transmission fluid