TSB 20-2315 PDF

A service bulletin that addresses an issue with the 3.5L EcoBoost engines in Ford and Lincoln vehicles, specifically relating to cold start ticking or rattling noises. The bulletin applies to certain Ford F-150, Expedition, and Lincoln Navigator models built on or before October 31, 2019. It details potential causes, necessary parts, and service procedures required for repair. The document emphasizes the replacement of VCT units to resolve the issue and outlines warranty statuses and labor times.