XK-8 Coupe (X100) V8-4.0L (AJ27) (1999)
18. Install the camshaft locking tool 303-530 to Bank 1 camshafts, aligning the shafts slightly as necessary.
19. Loosen the bolt which secures the sprocket to the camshaft.
20. Loosen the bolt which secures the VVT unit to the camshaft.