The engine bay of a Ford F-150 or Mustang with a 3.5L Ecoboost engine may tick.
You may be worried about this ticking sound and how to fix it. Well, you’re not alone!
Many Ecoboost engine owners have reported this noise, which is often caused by faulty cam phasers.
In this blog post, we’ll explain the Ecoboost cam phaser noise issue, cam phasers, and how to fix that ticking sound.
So, if you’re ready to learn more about this common Ecoboost engine issue, keep reading
3.5 Ecoboost Cam Phaser Noise
The 3.5 Ecoboost engine’s cam phaser noise is a common issue caused by a faulty cam phaser.
It can lead to poor engine performance and can be costly to repair. A qualified mechanic should be consulted to diagnose and fix the problem.
Causes of Cam Phaser Noise in 3.5 Ecoboost Engine
Here are the potential causes of cam phaser noise in a 3.5 Ecoboost engine.
Worn Camshaft Phaser:
The camshaft phaser is a component that helps adjust the timing of the engine. If the phaser is worn, it can cause a ticking noise in the engine.
This is a common issue with the 3.5 Ecoboost engine and may require replacement of the phaser.
Low Oil Pressure:
Low oil pressure can cause engine noise, including cam phaser noise.
The oil helps lubricate the engine components, and if the pressure is too low, it can cause excessive wear and tear on the cam phasers.
Dirty Engine Oil:
Dirty engine oil can also cause cam phaser noise. Over time, the oil can become contaminated with debris and particles that can affect the performance of the phasers.
Faulty Timing Chain Tensioner:
The timing chain tensioner keeps the timing chain in place, and if it fails, it can cause a rattling noise in the engine.
This can also lead to damage to the cam phasers and other engine components.
Damaged Timing Chain Guide:
The timing chain guide helps keep the timing chain in place and can also wear out over time.
If the guide is damaged, it can cause the timing chain to slap against the engine, resulting in a rattling or ticking noise.
If the timing is off, it can cause cam phaser noise in the engine. This can be due to a faulty camshaft sensor or issues with the timing belt or chain.
Bad Fuel Injectors:
Bad fuel injectors can cause a variety of issues in the engine, including cam phaser noise.
If the injectors are not functioning properly, it can affect the performance of the engine and cause excessive wear and tear on the cam phasers.
Faulty Variable Valve Timing Solenoid:
The variable valve timing solenoid helps control the timing of the engine and can also cause cam phaser noise if it is faulty. If this is the case, the solenoid may need to be replaced.
Symptoms of Cam Phaser Noise in 3.5 Ecoboost Engine
Here are the of symptoms of cam phaser noise in 3.5 ecoboost engine
Ticking/tapping or rattle noise
Ticking/tapping or rattle noise from the engine’s top front cover on initial start-up after a cold soak of 6 hours or more, lasting 2-5 seconds.
If you hear a rattling or tapping noise from the top front cover of your engine when you first start it up after a cold soak, it could be due to a worn VCT unit.
The VCT unit is responsible for adjusting the timing of the camshafts, which can become worn over time and cause a noise.
This noise is typically most noticeable during the first few seconds of startup, and then it fades away.
Check Engine Light is on.
A Check Engine Light (CEL) that stays on is a sign that there is a problem with one or more of the engine’s systems. In the case of the 3.5L EcoBoost engine, a faulty cam phaser is a common cause of a CEL.
The cam phaser controls the timing of the engine’s intake and exhaust valves, and if it’s malfunctioning, it can create CEL issues.
To prevent harm, have a mechanic inspect your engine if your CEL is on.
Reduced engine performance.
If your engine is running poorly, your cam phaser may be defective. If the cam phaser fails, it can reduce power, acceleration, and fuel efficiency by altering engine valve timing.
Drivers can get frustrated since this makes their vehicle slow and unresponsive. A trained mechanic must inspect your engine if it is underperforming.
Cam phaser noise.
A worn cam phaser can cause all sorts of problems, including noise.
A worn cam phaser may cause a front-engine noise. A professional should investigate this ticking or rattling sound.
Start up rattle that goes away
If you hear a rattling noise when you start your engine, but it goes away after a few seconds, this could be caused by a worn cam phaser.
The phaser may be able to function properly after a few seconds of running, which could temporarily eliminate the rattling noise.
However, it’s important to have your engine checked out to determine the cause of the noise.
Preventive Measures to Avoid Cam Phaser Noise in 3.5 Ecoboost Engine
Here are the preventive measure to avoid cam phaser noise in 3.5 Ecoboost engine:
Regular Maintenance and Inspection
One of the most important steps you can take to prevent cam phaser noise in your 3.5 Ecoboost engine is to maintain your vehicle properly.
Regular oil changes, for example, can help to keep your engine running smoothly and prevent wear and tear on the cam phaser.
To guarantee good operation, have a skilled mechanic evaluate your engine regularly.
Use High-Quality Engine Oil and Filters
Using high-quality engine oil and filters is another important step in preventing cam phaser noise in your 3.5 Ecoboost engine.
Low-quality or dirty engine oil can cause the cam phaser to wear out more quickly, leading to increased noise and potential damage to the engine.
Be sure to use the type of oil and filters recommended by the manufacturer for your specific engine.
Avoid Hard Driving and Overloading
Another factor that can contribute to cam phaser noise in your 3.5 Ecoboost engine is hard driving and overloading.
This can put extra strain on the engine and cause components to wear out more quickly.
Avoiding hard acceleration, high-speed driving, and overloading your vehicle can help to prevent cam phaser noise and other engine problems.
Correct Installation and Repair of Cam Phaser
Finally, if you do experience cam phaser noise in your 3.5 Ecoboost engine, it is important to have it repaired correctly.
Incorrect installation or repair of the cam phaser can lead to further damage to the engine and increased noise.
Be sure to have your engine inspected by a professional mechanic who is experienced in working with this type of engine.
What Is The Ecoboost Cam Phaser Noise?
The Ecoboost Cam Phaser Noise is a rattling sound that can occur in Ford vehicles equipped with the 3.5-liter Ecoboost engine.
It is caused by a malfunctioning cam phaser, which is a component responsible for adjusting the timing of the engine’s valves.
How Can I Tell If My Vehicle Is Affected By The Ecoboost Cam Phaser Noise?
If you hear a rattling sound coming from the engine compartment of your Ford vehicle, particularly during startup or acceleration, it may be a sign of cam phaser noise.
You may also notice reduced engine performance or fuel efficiency.
Can The Ecoboost Cam Phaser Noise Be Fixed?
Yes, the cam phasers can be replaced to fix the noise.
However, it is recommended to have the repair done by a qualified mechanic who is experienced with the Ecoboost engine.
How Much Does It Cost To Fix The Ecoboost Cam Phaser Noise?
The cost of repairing the Ecoboost Cam Phaser Noise can vary depending on the severity of the issue and the mechanic you choose.
However, expect to pay several hundred dollars for the repair.
Is There A Recall For The Ecoboost Cam Phaser Noise?
There is no official recall for the Ecoboost Cam Phaser Noise, but Ford has issued a technical service bulletin (TSB) for the issue.
This means that Ford dealerships are aware of the problem and can perform the repair.
If you own a 3.5 Ecoboost engine, it’s important to be aware of the potential cam phaser noise issue.
If you hear unexpected sounds, have your engine evaluated by a specialist.
Addressing the issue early can prevent worse issues later. Maintaining your vehicle saves time, money, and headaches.