how to fix the timing chain issue in my Ford Explorer

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

503 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 Ford Explorer. 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 starting work on electrical systems.
•Allow engine to cool before opening the engine components.

Symptoms

•Check engine light illuminated
•Engine misfires or runs rough
•Rattling noise from the engine, especially during startup
•Poor acceleration or loss of power
•Oil leaks around the timing cover
•Engine stalling

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related codes.
2
Inspect the timing chain and tensioner visually for signs of wear or damage.
3
Check the engine oil level and condition, ensuring it is within range and clean.
4
Listen for unusual sounds while the engine is running, particularly near the timing cover.
5
Perform a compression test to assess the engine's internal 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
•Belt tensioner tool
•Pry bar

Parts Required

•New timing chain
•Timing chain tensioner (if worn)
•Timing cover gasket

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related codes.
2
Inspect the timing chain and tensioner visually for signs of wear or damage.
3
Check the engine oil level and condition, ensuring it is within range and clean.
4
Listen for unusual sounds while the engine is running, particularly near the timing cover.
5
Perform a compression test to assess the engine's internal condition.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to prevent electrical accidents.
Ensure you have adequate workspace with good lighting.

2. Remove Engine Components

Use a socket set to remove the air intake duct and any components obstructing access to the timing chain cover.
Remove the serpentine belt using a belt tensioner tool.
Detach the timing chain cover by removing the bolts and gently prying it off. Be cautious not to damage the gasket.

3. Inspect and Replace Timing Chain

Check the timing chain for stretch or damage; if worn, proceed to replace it.
Remove the timing chain tensioner using a socket set. Inspect for wear; replace if necessary.
Align the timing marks on the crankshaft and camshaft gears as per the service manual.
Install the new timing chain over the gears, ensuring it is properly tensioned.

4. Reassemble Components

Reinstall the timing chain cover with a new gasket, ensuring proper torque specifications are followed. (Typically, torque to 10-12 ft-lbs).
Reattach the serpentine belt to the correct routing.
Reinstall any air intake components that were removed.

5. Final Checks

Reconnect the battery and start the engine, allowing it to warm up.
Monitor for any unusual noises or leaks around the timing chain area.