SPECIFICATIONS 31 Locknut, Valve Adjustment Screw T2022965 Locknut, valve adjustment screw (inlet/exhaust) .....................38 ± 4 Nm (28 ± 3 ft-lb) or, angle tighten after contact...................................................................60 ± 5 degrees Locknut, Valve Adjustment Screw (Volvo Engine Brake) T2022966 Locknut, valve adjustment screw (exhaust, VEB)....................38 ± 4 Nm (28 ± 3 ft-lb) or, angle tighten after contact.............................................................30 +1.5 -0 degrees Note: Hold the valve bridge while tightening.