Tearing Down a Second-Generation 3.5L EcoBoost V6: Detailed Engine Analysis

🔧The second-gen 3.5L EcoBoost V6 engine offers impressive power with 375 horsepower and 470 ft-lbs of torque.

🚨Signs of previous work and improper handling, such as tool marks on camshafts and broken timing guide, suggest potential issues.

🛠️Inspecting the timing system, we find shattered and damaged rails, indicating a need for replacement and potential engine failure.

🔍Examining the camshafts, we observe scratches and marks, possibly caused by previous maintenance work or inexperienced handling.

🧰The cam caps and journals show varying degrees of wear, providing insights into the engine's usage and maintenance history.

What is the horsepower and torque of the second-gen 3.5L EcoBoost V6 engine?

—The second-gen 3.5L EcoBoost V6 engine delivers impressive power, generating 375 horsepower and 470 ft-lbs of torque.

Are there any signs of previous work on the engine?

—Yes, we observed tool marks on the camshafts and evidence of previous repairs, suggesting that the engine has been worked on before.

What issues were found with the timing system?

—The timing rails were shattered and damaged, indicating a need for replacement. This is a critical issue that could lead to engine failure if not resolved.

Did you find any damage to the camshafts?

—Upon closer inspection, we observed scratches and marks on the camshafts, which could be the result of previous maintenance work or inexperienced handling.

What insights did you gain from examining the cam caps and journals?

—The cam caps and journals showed varying degrees of wear, providing valuable insights into the engine's usage, maintenance history, and potential issues.

00:00Introduction to tearing down a second-generation 3.5L EcoBoost V6 engine with an unknown mileage.

02:50Initial examination of the engine, identifying signs of previous work and improper handling.

14:52Detailed inspection of the timing system, camshafts, caps, and journals, noting wear and potential issues.

16:31Evaluation of the camshafts, observing scratches and marks, possibly caused by previous maintenance work or inexperienced handling.

20:58Assessment of the cam caps and journals, gauging wear and providing insights into engine usage and maintenance history.