my Ford Explorer Fifth Generation (2011-2019) sounds like a lawnmower what's wrong

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

494 words

Problem Statement

Learn how to diagnose and fix engine noise issues in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

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 performing any maintenance.

Symptoms

•Loud, unusual engine noise similar to a lawnmower
•Potential loss of power during acceleration
•Engine misfire or rough idling
•Vibration felt in the cabin
•Possible check engine light illumination

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics using an OBD-II scanner for any error codes.
2
Inspect the engine bay for any loose or damaged components, particularly belts and hoses.
3
Check the engine oil level and condition; look for signs of contamination or low oil.
4
Listen for noise while inspecting the serpentine belt and pulleys for wear or damage.
5
Perform a compression test on each cylinder to check for internal engine issues.
6
Inspect the exhaust system for any leaks or damage that could contribute to abnormal noise.

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
•Oil filter wrench
•Compression tester
•Jack and jack stands

Parts Required

•New serpentine belt
•Engine oil (manufacturer-recommended type)
•Oil filter
•Any damaged pulleys or exhaust components

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics using an OBD-II scanner for any error codes.
2
Inspect the engine bay for any loose or damaged components, particularly belts and hoses.
3
Check the engine oil level and condition; look for signs of contamination or low oil.
4
Listen for noise while inspecting the serpentine belt and pulleys for wear or damage.
5
Perform a compression test on each cylinder to check for internal engine issues.
6
Inspect the exhaust system for any leaks or damage that could contribute to abnormal noise.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is on a flat surface and securely raise it with jack stands if needed.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Serpentine Belt

Sub-steps:
1. Locate the serpentine belt tensioner and relieve tension using a socket wrench.
2. Remove the old serpentine belt from the pulleys.
3. Inspect the pulleys for wear; replace any damaged pulleys.
4. Install a new serpentine belt according to the belt routing diagram.
5. Reapply tension with the tensioner and ensure the belt is seated correctly.

3. Check and Replace Engine Oil

Sub-steps:
1. Remove the oil dipstick and check the oil level; add oil if necessary.
2. If the oil is dirty or contaminated, drain the old oil using an oil pan.
3. Replace the oil filter with a new one.
4. Refill with the manufacturer-recommended oil type and quantity.
5. Start the engine and let it run for a few minutes, then recheck the oil level.

4. Perform Compression Test

Sub-steps:
1. Remove spark plugs using a spark plug socket.
2. Insert a compression tester into each spark plug hole.
3. Crank the engine and note the compression readings for each cylinder.
4. If any cylinder shows significantly lower compression, further investigation is needed.

5. Inspect Exhaust System

Sub-steps:
1. Visually inspect the exhaust manifold for cracks or leaks.
2. Check the condition of the catalytic converter and muffler.
3. Replace any damaged components and ensure all connections are tight.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
Oil filter wrench
Compression tester
Jack and jack stands

Parts Required:

New serpentine belt
Engine oil (manufacturer-recommended type)
Oil filter
Any damaged pulleys or exhaust components

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical systems.
Allow the engine to cool before performing any maintenance.