Ford 3.5L EcoBoost V6
3.5L EcoBoost timing chain & cam phaser repair
Timing chain stretch and cam phaser rattle on the 3.5L EcoBoost.
Why this matters on the Ford 3.5L EcoBoost V6
First-generation (2011–2016) 3.5L EcoBoost engines are known for timing chain stretch; later engines are known for cam phaser rattle at start-up.
Symptoms owners notice
- Rattle at cold start
- Cam timing codes
- Rough running
What we check
- Cam/crank correlation data
- Timing inspection
Repair work involved
- Chains, guides, tensioners and phasers replacement