how to diagnose the timing chain issues in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

457 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix timing chain issues in a Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening any components.

Symptoms

•Check engine light illuminated
•Engine rattling noise, especially on startup or acceleration
•Poor acceleration or loss of power
•Rough idle or stalling
•Engine misfires
•Increased engine oil consumption

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Inspect the engine oil level and condition; low or dirty oil can affect timing chain performance.
3
Listen for unusual sounds from the engine during startup and acceleration, noting the frequency and conditions under which they occur.
4
Check for visible wear on timing chain components through the inspection cover if accessible.
5
Perform a visual inspection of the timing chain tensioner and guides for wear or damage.
6
Conduct a compression test to assess engine health and identify any potential internal issues.

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
•Compression tester
•Engine cover removal tools

Parts Required

•Timing chain
•Timing chain tensioner
•Timing chain guides
•Engine oil (as needed)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Inspect the engine oil level and condition; low or dirty oil can affect timing chain performance.
3
Listen for unusual sounds from the engine during startup and acceleration, noting the frequency and conditions under which they occur.
4
Check for visible wear on timing chain components through the inspection cover if accessible.
5
Perform a visual inspection of the timing chain tensioner and guides for wear or damage.
6
Conduct a compression test to assess engine health and identify any potential internal issues.

Solution

1. Preparation

Ensure the engine is cool.
Disconnect the battery to prevent electrical shorts.
Gather necessary tools and parts.

2. Remove Engine Cover

Use a socket set to unbolt the engine cover.
Carefully lift the cover off and set it aside.

3. Inspect Timing Chain Components

Timing Chain: Check for signs of excessive slack or wear.
Tensioner: Inspect the tensioner for proper operation; it should have no leaks and be securely mounted.
Guides: Look for worn or broken guides; replace if necessary.

4. Replace Timing Chain/Tensioner/Guides (if needed)

Remove Old Parts:
- Unbolt the tensioner and guides with a socket set.
- Carefully remove the timing chain from the sprockets.
Install New Parts:
- Position the new timing chain on the sprockets, ensuring it is aligned correctly.
- Install new tensioner and guides, tightening bolts to manufacturer specifications (typically around 15-20 ft-lbs).
Reassemble: Replace the engine cover and reconnect the battery.