how to replace the timing chain on my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

4 min read

638 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

Step-by-step guide on how to replace the timing chain on a Ford Explorer (2011-2019). Includes symptoms, diagnostic steps, tools, and parts required.

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 before opening the timing cover.
•Use proper lifting techniques when supporting the engine.

Symptoms

•Engine rattling noise during startup or idling
•Check engine light illuminated
•Poor engine performance or misfire
•Engine stalling or difficulty starting
•Oil leaks around the timing cover
•Increased engine vibration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Inspect the timing chain for visible wear or damage through the timing cover.
3
Check the tensioner and guides for proper operation and wear.
4
Measure chain slack using a timing chain gauge.
5
Inspect oil condition and level, as low oil can lead to chain wear.
6
Perform a compression test to assess engine health.

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
•Harmonic balancer puller
•Timing chain gauge
•Engine support jack

Parts Required

•New timing chain
•Timing chain tensioner
•Timing chain guides
•Timing cover gasket
•Harmonic balancer gasket (if applicable)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Inspect the timing chain for visible wear or damage through the timing cover.
3
Check the tensioner and guides for proper operation and wear.
4
Measure chain slack using a timing chain gauge.
5
Inspect oil condition and level, as low oil can lead to chain wear.
6
Perform a compression test to assess engine health.

Solution

1. Preparation

Gather tools and parts required for the job.
Disconnect the battery to prevent electrical issues.
Ensure the vehicle is on a flat surface and secure it with wheel chocks.

2. Remove Necessary Components

Remove the engine cover: Use a socket set to unscrew the bolts securing the cover and carefully lift it off.
Remove the serpentine belt: Use a wrench to relieve tension on the tensioner and slide the belt off the pulleys.
Remove the front engine mount: Support the engine with a jack and remove the bolts securing the mount.

3. Access the Timing Chain

Remove the timing cover: Unscrew the bolts securing the cover using the appropriate socket size. Gently pry it loose, being careful not to damage the gasket.
Remove the harmonic balancer: Use a harmonic balancer puller to detach it from the crankshaft.

4. Replace the Timing Chain

Align timing marks: Rotate the engine to align the timing marks on the crankshaft and camshaft gears.
Remove the old timing chain: Detach the old chain from the sprockets, ensuring the tensioner and guides are also removed.
Install the new timing chain: Place the new timing chain onto the sprockets, ensuring alignment with the timing marks.

5. Reassemble and Reinstall

Reinstall the timing cover: Apply a new gasket if necessary and secure the cover with bolts to the specified torque.
Reinstall the harmonic balancer: Slide it back onto the crankshaft and tighten to the manufacturer’s specifications.
Reattach the engine mount: Secure it with the bolts and ensure it is properly torqued.
Reinstall the serpentine belt: Route the belt according to the diagram and ensure it is properly tensioned.
Replace the engine cover: Secure it with the bolts.