how to fix Ford Explorer Fifth Generation (2011-2019) exhaust leak

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

546 words

Problem Statement

Learn how to diagnose and fix exhaust leaks in Ford Explorer (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 engine to cool before working on the exhaust system.
•Disconnect the battery before starting any electrical work.

Symptoms

•Increased engine noise, especially during acceleration
•Strong exhaust smell inside or around the vehicle
•Decreased fuel efficiency
•Check engine light illuminated with related error codes
•Visible exhaust smoke from the engine bay or under the vehicle

Diagnostic Steps

1
Perform a visual inspection of the exhaust system, looking for cracks, holes, or loose connections.
2
Use an OBD-II scanner to check for any related error codes that may indicate specific exhaust system issues.
3
Check for any signs of soot or discoloration around exhaust joints and gaskets.
4
Conduct a smoke test to locate any leaks in the exhaust system.
5
Inspect the exhaust manifold for warping or damage.
6
Examine the condition of the exhaust gaskets and hangers.

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
•Wrench set
•Torque wrench
•Penetrating oil
•Scraper
•Safety glasses

Parts Required

•Exhaust gaskets
•Exhaust hangers (if damaged)
•Exhaust pipe or manifold (if severely damaged)

Related Faults

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Diagnostic Steps

1
Perform a visual inspection of the exhaust system, looking for cracks, holes, or loose connections.
2
Use an OBD-II scanner to check for any related error codes that may indicate specific exhaust system issues.
3
Check for any signs of soot or discoloration around exhaust joints and gaskets.
4
Conduct a smoke test to locate any leaks in the exhaust system.
5
Inspect the exhaust manifold for warping or damage.
6
Examine the condition of the exhaust gaskets and hangers.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a flat surface and the engine is cool.
Disconnect the battery to avoid electrical issues.

2. Remove Damaged Components

Tools Required: Socket set, wrench set, penetrating oil, safety glasses.
Identify the section of the exhaust system with the leak.
Spray penetrating oil on bolts to help loosen them.
Use the socket set to remove bolts from the exhaust manifold or the affected exhaust section.
Carefully detach the exhaust pipe or manifold from the vehicle.

3. Inspect and Replace Gaskets

Examine the exhaust gaskets for wear or damage.
Tools Required: Scraper, gasket sealant (if needed).
Remove old gasket material from the surfaces using a scraper.
Install new gaskets, ensuring they are aligned properly.
If using gasket sealant, apply it according to the manufacturer's instructions.

4. Reassemble Exhaust System

Align the exhaust pipe or manifold with the corresponding section.
Tools Required: Torque wrench.
Hand-tighten bolts first, then use the torque wrench to secure them to the manufacturer's specified torque settings.
Reinstall any hangers or brackets that were removed.

5. Final Checks

Reconnect the battery.
Start the engine and let it idle to check for any exhaust leaks.
Listen for any unusual noises and monitor for any signs of exhaust smoke.