how to fix the timing chain issue in Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

562 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 the 2020-present 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 the battery before working on electrical systems.
•Allow the engine to cool completely before starting work to avoid burns.

Symptoms

•Check engine light illuminated
•Engine rattling or chain noise at startup
•Poor acceleration or loss of power
•Rough idle or stalling
•Increased fuel consumption

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify timing chain-related faults.
2
Inspect the timing chain cover for any signs of oil leaks or damage.
3
Check the tensioner and guides for wear or breakage.
4
Verify the timing alignment using a timing light or alignment marks.
5
Measure the timing chain stretch with a chain wear gauge if available.

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 pan
•Timing chain wear gauge

Parts Required

•Timing chain
•Timing chain tensioner
•Timing chain guides
•Timing chain cover gasket
•Engine oil

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify timing chain-related faults.
2
Inspect the timing chain cover for any signs of oil leaks or damage.
3
Check the tensioner and guides for wear or breakage.
4
Verify the timing alignment using a timing light or alignment marks.
5
Measure the timing chain stretch with a chain wear gauge if available.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery terminal to prevent electrical shorts.
Gather tools and parts.

2. Remove Engine Cover

Remove any bolts securing the engine cover using a socket set.
Carefully lift off the engine cover to expose the timing chain.

3. Drain Engine Oil

Place an oil pan under the oil pan drain plug.
Remove the drain plug and allow the oil to fully drain.
Replace the drain plug securely.

4. Remove Timing Chain Components

Remove the bolts securing the timing chain cover. Use a torque wrench to ensure proper torque during reinstallation.
Carefully detach the timing chain cover, taking care not to damage any seals or gaskets.
Remove the tensioner and guides by unbolting them from their respective locations.

5. Inspect and Replace Timing Chain

Inspect the timing chain for wear or damage. If necessary, replace it with a new chain.
Install the new chain, ensuring it is aligned with the timing marks on the crankshaft and camshaft.
Reinstall the tensioner and guides, ensuring they are securely bolted in place.

6. Reassemble Engine Components

Reattach the timing chain cover with a new gasket, ensuring a proper seal.
Reinstall the engine cover and torque all bolts to the manufacturer’s specifications.
Refill the engine with the appropriate type and amount of engine oil.

7. Final Checks

Reconnect the negative battery terminal.
Start the engine and listen for any unusual noises.
Allow the engine to reach operating temperature and check for leaks.