F 150 4WD V8-5.4L Flex Fuel (2008)
Special Tool(s)
Removal
1. If servicing the RH camshaft phaser and sprocket, remove the RH camshaft.
2. If servicing the LH camshaft phaser and sprocket, remove the LH camshaft.
3. CAUTION: Damage to the camshaft phaser and sprocket assembly will occur if mishandled or used as a lifting or leveraging device.
CAUTION: Do not remove the Timing Chain Locking Tool at any time during assembly. If the special tool is removed or out of
placement, the engine front cover must be removed and the engine must be retimed. Failure to follow these instructions may result in
engine damage.
Remove the camshaft phaser and sprocket from the timing chain.
4. Inspect the front of the camshaft phaser and sprocket for missing or damaged roll pins.
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If the roll pins are missing or damaged, a new camshaft phaser and sprocket must be installed.
5. Inspect the rear of the camshaft phaser and sprocket for a deformed or damaged location pin.
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If the location pin is deformed or damaged a new camshaft phaser and sprocket must be installed.
6. Visually inspect the camshaft phaser and sprocket for squareness (A). If the trigger wheel or spring is deformed or damaged (B), install a new
camshaft phaser and sprocket.
