Lesson 3: powertrain – FORD FCSD TECHNICAL TRAINING FCS-14000-DL User Manual
Page 57
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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
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