Why do Ford cam phasers fail?

Why Ford Cam Phasers Fail
Ford cam phasers can fail due to several reasons, leading to issues such as rattling noises, engine damage, or even engine failure. The primary causes of Ford cam phaser failure include:
1. Eroded Timing Chain: Cam phasers can fail due to an eroded timing chain, which can lead to noisy and defective operation of the VVT phasers integrated with the engine.
2. Low Oil Pressure: Low oil pressure is another factor that can contribute to cam phaser failure. Wear inside the cam phasers and wear in the engine, in combination with low oil pressure, can cause excessive phaser noise and prevent proper oil control, leading to failure.
3. Other Engine-Related Issues: In addition to eroded timing chains and low oil pressure, other engine-related issues can also contribute to cam phaser failure. These issues can affect the VCT (Variable Control Timing) and ECU (Engine Control Unit), potentially causing damage to these components.
It’s important to note that Ford vehicles, particularly those with the 5.4L engine, have been affected by cam phaser problems, leading to the discontinuation of production of the 5.4L engine by Ford Motor Company.
In summary, the failure of Ford cam phasers can be attributed to eroded timing chains, low oil pressure, and various other engine-related issues, which can result in noisy operation, engine damage, and potential failure of the VCT and ECU components in Ford vehicles [[5]].

How do I know if my Ford cam phasers are bad?

You will notice poor acceleration in some cases, especially when you ask for a lot of speed. In other cases, the engine might run rough. You hear a tapping or rattling noise at idle when the engine is hot. You could also hear this sound in other instances, though it’s prevalent in this particular situation.

Will bad cam phasers throw a code?

What will happen in this situation is the ECU will do everything possible to protect the engine. It will go into safe (or limp) mode, which will in most cases, and stop the engine from going over a certain RPM. It will also throw a code and illuminate the check engine light.

What are the symptoms of the cam Phaser failure on the Ecoboost?

One of the most common symptoms of the 3.5L Ecoboost engine cam phaser problem is the notorious cold start rattle. Depending on the severity of the problem, this rattle can become more pronounced as the engine picks up more miles.

How do I know if my cam phasers are going out?

This will cause the check engine light to come on clicking noise the failed cam sensor will frequently start to make an audible clicking sound that is unlike anything most drivers have ever heard this

Does Ford have a recall on cam phasers?

2018 Ford F150, got the recall for the Cam Phasers back in 2021. Heres what the letter said: “A cam phaser that has developed an undesirable noise does not affect the vehicle safety, performance, or emissions.” We contacted Ford dealers in the area and we were told its just a noise, don’t bother bringing it in.

What year Fords have cam phaser problems?

Ford Cam Phaser problems consisting of rattling noises and causing engine damage, or even engine failure are affecting the 2017-2020 Ford 150, and 2018-2020 Expedition. When a cam phaser fails, your Ford vehicle’s VCT (Variable Control Timing) and ECU (Engine Control Unit) can be damaged.

How much does it cost to have cam phasers replaced?

The complete package usually has a cost of around 4000-5000 depending on the repair shop. It is currently at the shop or I would provide the VIN. It is a 2018 F150, 4WD, V6The quote I received was $4200 for cam phaser replacement and $325 for tune-up associated with the check engine light.

What happens when cam phasers fail?

Cam phasers adjust the position or the “phase” of the camshaft in relation to the crankshaft. Common symptoms of a failing cam phaser include an illuminated check engine light, poor engine performance, and rattling noises from the engine. It costs somewhere between $800 and $2,500 to replace cam phasers.

What Ford engines have cam phaser problems?

A well known problem with the Ford 5.4 3V engines is the dreaded ‘phaser rattle’ This happens when the variable cam timing phasers can no longer be controlled by the ECU due to wear in the phaser or lack of oil pressure / volume being delivered to them.