The 2022 Ford F-150's 5.0L Coyote V8 is known for developing a distinctive cam phaser tick, particularly at idle and during cold starts. This signature noise affects many Coyote engines and has specific causes and solutions.
Understanding the Coyote Cam Phaser System
The 5.0L Coyote uses dual overhead cams with variable cam timing (VCT) on all four camshafts. Each cam phaser is an oil-pressure-operated device that continuously adjusts timing for optimal performance.
Why Cam Phaser Tick Develops
Internal Phaser Wear
The cam phasers contain locking pins and internal vanes that wear over time. Worn components allow the phaser to rattle when oil pressure is insufficient to hold it firmly in position.
Check Valve Failure
Each phaser has internal check valves that maintain oil pressure when the engine is off. Failed check valves allow oil to drain, causing extended rattle at startup until pressure rebuilds.
VCT Solenoid Issues
The solenoids controlling oil flow to phasers can stick or fail, causing improper phaser operation. This may cause tick during specific operating conditions.
Oil Flow Restrictions
Sludge buildup or restricted oil passages reduce oil flow to phasers. Maintaining clean oil is essential for phaser longevity.
Ford's Response
Ford has addressed cam phaser issues with updated phaser designs and extended coverage for some model years. Check for applicable TSBs or warranty extensions.