why is my Ford Explorer's engine making a ticking noise

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

562 words

Problem Statement

Learn how to diagnose and fix engine ticking noise in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

Estimated Time

2-4 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 oil drain plug.

Symptoms

•Ticking noise from the engine compartment
•Decreased engine performance
•Engine misfires
•Oil pressure warning light illuminated
•Increased engine temperature

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential engine issues.
2
Check engine oil level and condition; low or dirty oil can cause ticking.
3
Inspect the valve cover and gasket for signs of oil leaks or damage.
4
Listen to the engine with a mechanic's stethoscope to pinpoint the source of the ticking.
5
Check for loose or damaged components, such as exhaust heat shields or belts.
6
Perform a compression test to check for internal engine issues.

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
•Mechanic's stethoscope
•Socket set
•Torque wrench
•Oil pressure gauge
•Oil filter wrench

Parts Required

•Engine oil
•Oil filter
•Valve cover gasket
•Lifters (if necessary)
•Timing chain/tensioner (if necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential engine issues.
2
Check engine oil level and condition; low or dirty oil can cause ticking.
3
Inspect the valve cover and gasket for signs of oil leaks or damage.
4
Listen to the engine with a mechanic's stethoscope to pinpoint the source of the ticking.
5
Check for loose or damaged components, such as exhaust heat shields or belts.
6
Perform a compression test to check for internal engine issues.

Solution

1. Preparation

Tools Required: OBD-II scanner, mechanic's stethoscope, socket set, torque wrench, oil pressure gauge.
Verify that the engine is cool before beginning work.

2. Change Engine Oil and Filter

Sub-steps:
1. Place the vehicle on a level surface and lift it using a jack and jack stands.
2. Drain the old oil by removing the oil drain plug (use a wrench) and allow it to fully drain into a pan.
3. Replace the oil filter using an oil filter wrench.
4. Install a new oil filter, ensuring to lubricate the rubber gasket with new oil before installation.
5. Reinstall the drain plug and torque it to the manufacturer's specifications (typically around 25-30 ft-lbs).
6. Refill the engine with the appropriate type and amount of new oil (check the owner's manual for specifications).

3. Inspect and Adjust Valve Lash (if applicable)

Sub-steps:
1. Remove the valve cover by unscrewing the bolts using a socket set.
2. Check the condition of the rocker arms and pushrods for wear.
3. If they are adjustable, measure and adjust the valve lash to the manufacturer's specifications.
4. Reinstall the valve cover with a new gasket, torque the bolts to the specified torque (usually around 89-106 in-lbs).

4. Replace Faulty Components

Sub-steps:
1. If the source of the ticking noise is identified, replace any defective components such as lifters, timing chain/tensioner, or spark plugs.
2. Follow the specific service manual instructions for removal and installation of each part, ensuring proper torque specifications.