how to replace the timing chain on 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

545 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 to replacing the timing chain on a 2020-present Ford Explorer. 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 completely before starting the repair process.

Symptoms

•Engine misfire or rough running
•Check engine light illuminated
•Rattling noise from the engine compartment
•Poor acceleration or loss of power
•Oil leaks around the timing cover

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any relevant issues related to the timing chain.
2
Inspect the engine oil level and condition, ensuring it is clean and at the proper level.
3
Visually inspect the timing chain cover for any signs of oil leaks or damage.
4
Perform a noise test by starting the engine and listening for unusual rattling or slapping noises.
5
Check for any noticeable play in the timing chain by rotating the crankshaft and observing the chain's movement.

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

•Socket set
•Torque wrench
•Screwdrivers
•Pliers
•Timing chain tool kit
•Engine oil
•Oil filter

Parts Required

•New timing chain
•Timing chain tensioner
•Gasket or sealant for timing cover
•Engine oil
•Oil filter

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any relevant issues related to the timing chain.
2
Inspect the engine oil level and condition, ensuring it is clean and at the proper level.
3
Visually inspect the timing chain cover for any signs of oil leaks or damage.
4
Perform a noise test by starting the engine and listening for unusual rattling or slapping noises.
5
Check for any noticeable play in the timing chain by rotating the crankshaft and observing the chain's movement.

Solution

1. Preparation

Tools Required:
- Socket set
- Torque wrench
- Screwdrivers
- Pliers
- Timing chain tool kit (if available)
- Engine oil and oil filter
Disconnect the negative battery terminal to prevent electrical shorts.
Raise the vehicle on jack stands for access to the underside if necessary.

2. Remove Engine Components

Remove the engine cover by unscrewing the bolts securing it.
Detach any components obstructing access to the timing chain, such as the air intake assembly and accessory belts.
Drain the engine oil and remove the oil pan if required for better access.

3. Timing Chain Cover Removal

Remove the bolts securing the timing chain cover using a socket wrench.
Carefully pry off the timing chain cover, taking care not to damage the gasket surface.

4. Timing Chain Replacement

Align the crankshaft and camshaft timing marks to ensure proper timing alignment.
Remove the old timing chain and tensioner using appropriate tools.
Install the new timing chain, ensuring it is properly aligned with the timing marks.
Replace the tensioner and adjust it according to the manufacturer's specifications.

5. Reassembly

Apply a new gasket or sealant to the timing chain cover and install it back onto the engine.
Reattach all previously removed components such as the oil pan, engine cover, and air intake assembly.
Replace the engine oil and oil filter.