Valve Clearance: Notes
CAUTION:
DO NOT
rotate engine while camshaft sprocket is disconnected from camshaft. Serious damage can occur to valve train components.
NOTE:
Use Chain Tensioner Releaser/Retainer (JD50), Camshaft Sprocket Retainer (JD40), and Timing Gauge (C3993) when adjusting valves on 6.0L engine.
CAUTION:
Release fuel system pressure before cranking engine.