2.4 INSTALLATION OF THE CAMSHAFT AND ROCKER SHAFT/ENGINE BRAKE ASSEMBLY [b] If there is excessive drag when installing the tool, the camshafts are out of time. If so, repeat this procedure at Step 3. 7. Verify that the marks on the gear teeth match the marks on the timing tool. NOTICE The camshaft caps are numbered and need to be installed correctly. 8. Install the seven camshaft caps onto intake and exhaust camshafts. 9. The first and seventh camshaft caps hold the engine brake solenoid to camshaft cap. Replace the O-rings on the solenoid prior to reinstallation. Install the engine brake solenoid. NOTE:
There are 30 bolts retaining the DD13 camshaft assemblies (shown); 14 120 mm (M10) bolts, seven 108 mm (M10) bolts and nine 63 mm (M8) bolts. The DD15 uses 28 bolts, with two external bolts at the rear of the camshaft housing. All information subject to change without notice. 2-18 DDC-SVC-MAN-0081 2010 Copyright © 2010 DETROIT DIESEL CORPORATION