my Ford Explorer Fifth Generation (2011-2019) has a loud exhaust noise what's happening

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

495 words

Problem Statement

Diagnose and fix loud exhaust noise in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Exhaust System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the exhaust system to cool before working on it to avoid burns.
•Disconnect the battery if working on electrical components related to the exhaust system.

Symptoms

•Loud exhaust noise, especially during acceleration
•Possible decrease in engine performance
•Check engine light may be illuminated
•Increased fuel consumption
•Rattling or hissing sounds when idling or revving the engine

Diagnostic Steps

1
Inspect the exhaust system visually for any visible damage or loose components.
2
Check for leaks in the exhaust manifold, gaskets, and pipes.
3
Use an OBD-II scanner to check for any stored trouble codes related to the exhaust system.
4
Examine the muffler for signs of corrosion or damage.
5
Inspect the catalytic converter for blockages or physical damage.
6
Listen for abnormal sounds at various points along the exhaust system while the engine is running.

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

•Socket set
•Torque wrench
•Saw or exhaust pipe cutter
•OBD-II scanner
•Safety goggles
•Gloves

Parts Required

•Exhaust manifold gaskets
•Muffler
•Catalytic converter (if required)

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 visually for any visible damage or loose components.
2
Check for leaks in the exhaust manifold, gaskets, and pipes.
3
Use an OBD-II scanner to check for any stored trouble codes related to the exhaust system.
4
Examine the muffler for signs of corrosion or damage.
5
Inspect the catalytic converter for blockages or physical damage.
6
Listen for abnormal sounds at various points along the exhaust system while the engine is running.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and secure it with wheel chocks.
Wear safety goggles and gloves.

2. Inspect and Replace Damaged Exhaust Components

Exhaust Manifold and Gaskets
- If leaks are found at the exhaust manifold, remove the heat shields if applicable.
- Unbolt the exhaust manifold using a socket set.
- Replace gaskets and reassemble the manifold, tightening bolts to the manufacturer's torque specifications (typically around 18-23 lb-ft).
Muffler Replacement
- If the muffler is damaged, use a saw to cut the old muffler off the exhaust pipes.
- Install the new muffler by sliding it onto the exhaust pipe and securing it with clamps.
- Ensure all connections are tight and sealed.
Catalytic Converter Inspection/Replacement
- If a blockage is suspected, remove the catalytic converter.
- Inspect for signs of clogging or damage. Replace if necessary, ensuring the new converter is compatible.
- Reinstall the converter and tighten all bolts to specifications.

3. Final Assembly

Recheck all exhaust connections for tightness.
Start the engine and allow it to idle, listening for any remaining noise.
Inspect the exhaust system once more for leaks.