What are the symptoms of a failing timing belt in the Ford Explorer Sixth Generation?

Common Symptoms of Timing Belt Issues

1. Engine Misfiring

   • Description: Noticeable rough idling and inconsistent engine power.
   • Cause: A slipped or damaged belt may prevent the camshaft from properly controlling the timing of the engine valves.

2. Unusual Engine Noise

   • Description: Ticking or slapping noises originating from the engine compartment.
   • Cause: A failing belt may produce noise due to wear or misalignment.

3. Oil Leaks

   • Description: Presence of engine oil around the timing cover.
   • Cause: A damaged timing belt cover or seals may result in oil seepage.

4. Check Engine Light

   • Description: The dashboard displays the Check Engine light.
   • Cause: The Engine Control Unit (ECU) detects irregularities in timing.

5. Difficulties Starting the Engine

   • Description: Engine cranks but does not start or has a hard time starting.
   • Cause: If the timing is off, the engine may not achieve the correct firing sequence.

6. Engine Stalling

   • Description: The engine suddenly cuts off while driving or at idle.
   • Cause: Timing issues can interrupt the combustion process.

Tools Required

• OBD-II Scanner
• Socket set (metric)
• Torque wrench
• Timing belt tool kit (if applicable)
• Compression tester
• Screwdrivers (flathead and Phillips)
• Pliers
• Work gloves and safety glasses

Repair Instructions

While the 2020-present Ford Explorer typically utilizes a timing chain, if you suspect a timing-related issue, follow these steps for a general repair outline. Consult the specific service manual for detailed specifications and procedures.

1. Preparation

   • Disconnect the negative battery terminal to prevent electrical shorts.

2. Remove Engine Covers

   • Remove any necessary engine covers and components obstructing access to the timing belt area.

3. Check Timing Belt Condition

   • Inspect the timing belt for wear, cracks, or damage.
   • If a belt is present and damaged, proceed to replace it.

4. Align Timing Marks

   • Rotate the crankshaft to align the timing marks on the crankshaft and camshaft gears.

5. Remove the Old Timing Belt

   • Loosen the tensioner and remove the old timing belt.

6. Install New Timing Belt

   • Place the new timing belt over the pulleys, ensuring that the timing marks remain aligned.

7. Tension the Belt

   • Adjust the tension according to manufacturer specifications.

8. Reassemble Engine Components

   • Reinstall any components and covers removed during the process.

9. Reconnect Battery

   • Reconnect the negative battery terminal.

10. Test the Engine

    • Start the engine to ensure smooth operation and check for leaks or noises.

Conclusion

If you suspect timing belt issues in your Ford Explorer Sixth Generation, it's crucial to conduct a thorough diagnostic and address any problems immediately. If you are not comfortable performing these repairs, consult with a certified technician for assistance.