3.5 EcoBoost cam phaser rattle on cold start.
- Typically appears
- 60,000+ miles
- What to inspect
- Listen for a metallic rattle for 1-3 seconds at cold start.
The 4th-gen Expedition is a spacious V6 SUV; cam phasers and the 10-speed are the main checks.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
3.5 EcoBoost cam phaser rattle on cold start.
10-speed automatic harsh or delayed shifts.
Brake booster faults triggering warnings.
Panoramic roof and power-fold seat faults.
Generate a full, tickable pre-purchase checklist tailored to this exact vehicle — add photos and notes as you inspect.
Generate a free checklistGenerally, but listen for cam-phaser rattle on the 3.5 EcoBoost.
A cold-start rattle from worn variable-valve-timing phasers; can be costly to fix.
Yes — strong tow ratings; verify the tow package and transmission behaviour.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.