FORD FCSD TECHNICAL TRAINING FCS-14000-DL - Manual (Page 57)

LESSON 3: POWERTRAIN
Locking Pin
The locking pin locks the camshaft in a fully advanced position when the engine is off.
• The pin locks the phaser to the camshaft during startup.
• After startup, oil pressure at the VCT assembly will unlock this pin, allowing VCT operation to resume.
– Makes it easier to start engine.
– Reduces noise on startup.
• VCT does not control valve timing until the oil temperature reaches 32
°
F (0
°
C).
2005 Expedition/Navigator New Model Technician Training 02-SEP-04 3-21