how to solve Ford Explorer Fifth Generation (2011-2019) timing chain problems

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

539 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 problems in 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

•Engine noise, particularly a rattling sound at startup or during acceleration
•Check engine light illuminated
•Rough idle or stalling
•Decreased engine performance or power loss
•Poor fuel economy
•Ticking or knocking noise from the engine

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Inspect the timing chain cover for oil leaks or damage.
3
Check for any visible signs of wear or stretch on the timing chain.
4
Measure the tensioner pressure to verify if it is functioning properly.
5
Perform a compression test on the engine cylinders to check for any internal damage.
6
Listen for abnormal noises in the engine while running to assess timing chain 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
•Gasket scraper

Parts Required

•Timing chain
•Timing chain tensioner
•Timing chain guides
•Gasket or sealant for timing chain cover

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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 cover for oil leaks or damage.
3
Check for any visible signs of wear or stretch on the timing chain.
4
Measure the tensioner pressure to verify if it is functioning properly.
5
Perform a compression test on the engine cylinders to check for any internal damage.
6
Listen for abnormal noises in the engine while running to assess timing chain condition.

Solution

1. Preparation

Gather tools and parts before starting.
Disconnect the negative battery terminal to prevent electrical shorts.
Allow the engine to cool completely before starting work.

2. Remove Timing Chain Cover

Tools Required: Socket set, torque wrench, gasket scraper
Remove any accessories obstructing access to the timing chain cover (e.g., alternator, air intake).
Unbolt the timing chain cover using the socket set. Keep track of the bolts for reinstallation.
Carefully pry off the timing chain cover using the gasket scraper, ensuring no debris enters the engine.

3. Inspect and Replace Timing Chain

Check the condition of the timing chain for any signs of wear or stretching.
If replacement is necessary:
- Remove the old timing chain and associated guides or tensioners.
- Install the new timing chain, ensuring it is aligned with the timing marks on the camshaft and crankshaft gears.
- Replace the tensioner and guides if they show signs of wear.

4. Reassemble Timing Chain Cover

Clean the mating surfaces of the engine and timing chain cover thoroughly.
Apply a new gasket or sealant as per manufacturer's specifications.
Reattach the timing chain cover, ensuring all bolts are torqued to the manufacturer's specifications.

5. Reconnect Battery and Test

Reconnect the negative battery terminal.
Start the engine and listen for any unusual noises.
Check for leaks around the timing chain cover.