Detroit Diesel EPA07, Workshop Manual

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14.4 REMOVAL OF THE DD15 CYLINDER HEAD
[b] For NAFTA DD Platform engines, remove Two Piece Fuel Injector Wiring Harness.
Refer to section .
13. Remove the rocker arm shafts. Refer to section 2.2.
14. Remove coolant lines from the water manifold to the fuel doser injector housing.
15. Remove the Exhaust Gas Recirculation (EGR) vent (de-aeration) line.
16. Remove the intake and exhaust camshafts. Refer to section 2.2.
17. Remove the camshaft housing. Refer to section .
18. Remove the EGR actuator coolant line from the cylinder block.
19. Disconnect the EGR actuator connector and remove the heat shield. Refer to section .
20. Remove the turbocharger fl ange bolts.
21. Remove the EGR crossover tube. Refer to section .
22. Remove the two bolts attaching the cold boost pipe to the support bracket.
23. Using the Flywheel and Main Pulley Socket tool (J-45390), remove the 40 bolts securing
the cylinder head to the cylinder block.
PERSONAL INJURY
To avoid injury when removing or installing a heavy engine
component, ensure the component is properly supported
and securely attached to an adequate lifting device to
prevent the component from falling.
24. Using Cylinder Head/Engine Lifting Bar tool (W470589006200), remove the cylinder
head from the cylinder block.
25. Remove and discard the metallic gasket from the cylinder block.
All information subject to change without notice.
14-16
DDC-SVC-MAN-0081 2010 Copyright © 2010 DETROIT DIESEL CORPORATION