how to diagnose timing belt issues in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

3-5 hours

Time

hard

Difficulty

high

Severity

3 min read

411 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 timing belt issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening components.

Symptoms

•Engine misfires or runs roughly
•Check engine light illuminated
•Unusual noises (e.g., squeaking, grinding) from the engine area
•Loss of power during acceleration
•Oil leaks near the timing belt cover
•Engine stalling or failure to start

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any relevant trouble codes.
2
Visually inspect the timing belt for signs of wear, fraying, or cracks.
3
Check the tension of the timing belt to ensure it is properly tensioned.
4
Listen for abnormal noises from the engine compartment while the engine is running.
5
Inspect for oil leaks around the timing belt cover and seals.
6
Perform a compression test on the engine cylinders to check for timing discrepancies.

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
•Screwdrivers
•Timing belt kit (if replacement is necessary)

Parts Required

•Timing belt
•Timing belt tensioner
•Idler pulley (if worn)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any relevant trouble codes.
2
Visually inspect the timing belt for signs of wear, fraying, or cracks.
3
Check the tension of the timing belt to ensure it is properly tensioned.
4
Listen for abnormal noises from the engine compartment while the engine is running.
5
Inspect for oil leaks around the timing belt cover and seals.
6
Perform a compression test on the engine cylinders to check for timing discrepancies.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is cool.
Disconnect the negative battery terminal.

2. Remove Engine Covers

Sub-steps:
1. Use a socket set to remove any engine cover bolts.
2. Carefully lift off the engine cover to expose the timing belt area.

3. Inspect Timing Belt

Sub-steps:
1. Examine the timing belt for wear, cracks, or glazing.
2. Check the alignment marks on the camshaft and crankshaft to ensure proper timing.

4. Replace Timing Belt (if necessary)

Sub-steps:
1. Remove the tensioner and idler pulleys using a socket.
2. Slide off the old timing belt.
3. Install the new timing belt, ensuring it is correctly aligned with the timing marks.
4. Reinstall the tensioner and idler pulleys, tightening to the manufacturer’s torque specifications (usually around 15-25 ft-lbs).

5. Reassemble Engine

Sub-steps:
1. Reattach the engine cover, securing it with bolts.
2. Reconnect the negative battery terminal.

6. Test Engine

Sub-steps:
1. Start the engine and listen for unusual noises.
2. Check for error codes and ensure no check engine light is illuminated.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
Screwdrivers
Timing belt kit (if replacement is necessary)

Parts Required:

Timing belt
Timing belt tensioner
Idler pulley (if worn)

Estimated Repair Time: 3-5 hours

Safety Warnings:

Disconnect battery before working on electrical systems.
Allow engine to cool before opening components.