EPA07/10 DD PLATFORM WORKSHOP MANUAL - ENGINE 20. Using Rocker Arm Lifter / Spacer Intake (W470589044000) (1) for the DD13 or Rocker Arm Lifter / Spacer Intake (W470589004000) for the DD15, install the intake rocker shaft assembly to the camshaft cap and secure with seven clamping blocks and bolts. 21. Using the torque sequence shown below, torque the bolts to 50-55 N·m (36-41 lb·ft) +90°. All information subject to change without notice. DDC-SVC-MAN-0081 2010 Copyright © 2010 DETROIT DIESEL CORPORATION 2-23