3.5 Ecoboost Cam Phaser Replacement Cost

The cost of replacing cam phasers on a 3.5 EcoBoost engine can vary depending on several factors such as your location, labor costs, and the specific year and model of your vehicle. Generally, the cost of the cam phaser itself ranges from $100 to $200 per unit. However, considering that there are typically two cam phasers in a 3.5 EcoBoost engine, the cost of the parts can be between $200 and $400.

Labor costs can range from $300 to $800 or more, depending on the complexity of the job, the hourly rate charged by the mechanic, and the time it takes to complete the replacement. In total, you can expect to pay between $500 and $1,200 for a cam phaser replacement on a 3.5 EcoBoost engine. It’s essential to get quotes from multiple shops and mechanics to ensure you are getting a fair price for the service.

How Many Hours Does It Take to Replace Cam Phasers?

The amount of time it takes to replace cam phasers on a 3.5 EcoBoost engine can vary depending on several factors, such as the specific year and model of your vehicle and the experience of the mechanic performing the job. Generally, cam phaser replacement can take between 4 to 6 hours, but it can take longer in some cases.

The process of replacing cam phasers involves disassembling the engine’s front end, removing the timing chain and related components, and finally, replacing the cam phasers. It’s a complex process that requires careful attention to detail to ensure proper installation and alignment.

What Happens When Cam Phasers Go Out?

When cam phasers go out, it can cause a number of problems with your engine. The first and most obvious problem is that the timing of your engine’s valves will be thrown off, which can lead to decreased performance and fuel economy. Additionally, if the phasers are not replaced or repaired in a timely manner, they can cause serious damage to your engine’s valvetrain components.

In extreme cases, the valves themselves may break or bend, which can cause catastrophic engine failure.

3.5L EcoBoost DIY Cam Phaser Disassembly & Replacement


If your 3.5 Ecoboost engine is making a rattling noise, it could be the cam phasers. Replacing the cam phasers can be expensive, but it’s worth it to keep your engine running smoothly.


  • Mr Shamrock

    With more than two decades in the automotive world, Mr_Shamrock is Truckguider's go-to expert for Ford and Chevy Trucks. From the F-150 to the Silverado, his breadth of knowledge covers a wide range of models, making him a reliable resource for buyers, owners, and enthusiasts alike. His expertise is also featured in online communities like Truck Forums, where he offers valuable advice and reviews.

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