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SUBJECT
DATE
Camshaft Housing
April 2012
Additions, Revisions, or Updates
Publication Number / Title
DDC-SVC-MAN-0081
Platform
Section Title
Change
Removal of the Camshaft Housing
Added proper list of fuel line components that need to
be removed in step 4. Added graphic.
Installation of the Camshaft Housing
Changed order of fuel lines being installed in step 5.
DD Plaform
All information subject to change without notice.
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Copyright © 2012 DETROIT DIESEL CORPORATION
3
2 Removal of the Camshaft Housing
2
Removal of the Camshaft Housing
Remove as follows:
1. Steam clean the engine.
2. Remove the rocker cover. Refer to section "Removal of the Rocker Cover"
3. Disconnect the fuel injector harness (1) from the camshaft housing (2).
WARNING: PERSONAL INJURY
To prevent the escape of high pressure fuel that can penetrate skin, ensure the engine has been shut
down for a minimum of 10 minutes before servicing any component within the high pressure circuit.
Residual high fuel pressure may be present within the circuit.
NOTICE: The high pressure fuel rail feed lines, vibration dampers, mounting bracket and hardware are one-timeuse components and MUST be replaced any time they are removed.
Service kit P/N: A4720707132 contains all of the necessary parts to replace the high pressure fuel feed lines on
EPA07/10 DD13 engines and service kit P/N: 4720707032 contains all of the necessary parts to replace the high
pressure fuel feed lines on EPA07/10 DD15/16 engines.
4. Remove the following high pressure fuel line components:
a. High pressure fuel line bracket (1) and high pressure fuel lines from the fuel rail to the high pressure fuel pump (2).
Refer to section "Removal of the High Pressure Fuel Injector Lines"
b. Fuel line from fuel rail to fuel filter module (4). Refer to section "Removal of the High Pressure Fuel Rail Feed Lines"
c. High pressure fuel lines from the fuel rail to the fuel injectors (3). Refer to section "Removal of the High Pressure
Fuel Injector Lines"
4
All information subject to change without notice.
Copyright © 2012 DETROIT DIESEL CORPORATION
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5. Remove the rocker shaft/engine brake and camshaft assemblies. Refer to section "Removal of Camshaft and Rocker Shaft/
Engine Brake Assembly"
6. Disconnect the intake manifold temperature sensor (2).
7. Disconnect the fuel rail pressure sensor (1).
8. Disconnect the camshaft position sensor (1) from the camshaft housing (2).
All information subject to change without notice.
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2 Removal of the Camshaft Housing
9. Unclip all of the electrical wiring harness attaching points from the camshaft housing.
10. Remove the bolt (2) and the P-clip securing the doser coolant line (1) to the camshaft housing (3).
11. Remove the remaining two bolts (29 and 30) securing the camshaft housing to the cylinder head.
6
All information subject to change without notice.
Copyright © 2012 DETROIT DIESEL CORPORATION
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WARNING: 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.
12. Attach a lifting device to the camshaft housing and lift the camshaft housing off of the cylinder head.
All information subject to change without notice.
4 98-12
Copyright © 2012 DETROIT DIESEL CORPORATION
7
3 Installation of the Camshaft Housing
3
Installation of the Camshaft Housing
Install as follows:
1. Install a new seal into the camshaft housing.
WARNING: 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.
2. Using an appropriate lifting device, install camshaft housing onto the cylinder head.
3. Ensuring that no oil gets into the bearing cap dowel pin hole, lubricate the camshaft housing camshaft journals.
4. Install the camshaft assemblies into the camshaft housing. Refer to section "Installation of the Camshaft and Rocker Shaft/
Engine Brake Assembly"
5. Install the following high pressure fuel line components:
a. High pressure fuel lines from fuel rail to fuel injectors (3). Refer to section "Installation of the High Pressure Fuel
Injector Lines"
b. Fuel line from fuel rail to fuel filter module (4).
Refer to section "Installation of the DD13 High Pressure Fuel Rail Feed Lines"
Refer to section "Installation of the DD15 and DD16 High Pressure Fuel Rail Feed Lines"
c. High pressure fuel line bracket (1), and high pressure fuel lines from fuel rail to high pressure fuel pump (2).
Refer to section "Installation of the DD13 High Pressure Fuel Rail Feed Lines"
Refer to section "Installation of the DD15 and DD16 High Pressure Fuel Rail Feed Lines"
6. Install the rocker cover. Refer to section "Installation of the Rocker Cover"
7. Prime the fuel system. Refer to section "Priming of the Fuel System Using ESOC 350 Fuel Priming Pump"
8
All information subject to change without notice.
Copyright © 2012 DETROIT DIESEL CORPORATION
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