XJR (X308) V8-4.0L SC (AJ27) (2000)
12. Install the camshaft locking tool 303-530 to Bank 1 camshafts, aligning the shafts slightly as necessary.
13. Loosen the bolt which secures the sprocket to the exhaust camshaft.
14. Loosen the bolt which secures the sprocket to the intake camshaft.