F 150 4WD V8-4.6L VIN 8 (2010)
head must be removed. For additional information, refer to Cylinder Head See: Cylinder Head Assembly/Service and Repair/Removal and
Replacement/Cylinder Head - Removal.
NOTE: It may be necessary to push the valve down while compressing the spring.
Using the Valve Spring Compressor, remove only the 3 designated camshaft roller followers from the previous step.
8. NOTICE: The crankshaft cannot be moved once set or engine damage may occur.
Rotate the crankshaft a half turn clockwise, as viewed from the front, positioning the No. 5 cylinder camshaft exhaust lobe at the 11 o'clock
position as shown.
9. NOTICE: Engine is not freewheeling. Camshaft procedure must be followed exactly or damage to valves and pistons will result.
NOTE: The Timing Chain Locking Tool must be installed square to the timing chain and the engine block.
NOTE: Engine front cover removed from art for clarity.
Install the Timing Chain Locking Tool in the LH timing chain as shown.
10. NOTICE: Do not remove the Timing Chain Locking Tool at any time during assembly. If the Timing Chain Locking Tool is removed or
out of placement, the engine front cover must be removed and the engine must be retimed. For additional information, refer to Timing
Drive Components See: Timing Components/Service and Repair/Removal and Replacement. Failure to follow this instruction can result
