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11 17-12
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SUBJECT
DATE
Removal and Installation of the High Pressure Fuel Injector Lines Three-Filter System
November 2012
Additions, Revisions, or Updates
Publication Number / Title
DDC-SVC-MAN-0082
Platform
DD Platform
Section Title
Removal of the High Pressure Fuel Injector
Lines-Three- Filter System
Installation of the High Pressure Fuel Injector
Lines - Three - Filter System
All information subject to change without notice.
11 17-12 Copyright © 2013 DETROIT DIESEL CORPORATION
Change
Updated procedures so the number six fuel
line can be removed without removing the pclip.
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2 Removal of the High Pressure Fuel Injector Lines - Three-Filter System
2
Removal of the High Pressure Fuel Injector Lines - Three-Filter System
Remove as follows:
NOTICE: The high pressure fuel rail feed lines, P-clips, vibration dampers, mounting bracket and hardware are
one-time use components and MUST be replaced any time they are loosened or removed.
NOTICE: Engine size/model year specific service kits, containing all of the necessary parts to replace the high
pressure fuel rail feed lines have been released. Refer to TS letter 12 TS-9 (http://www.ddcsn.com/cps/rde/xbcr/
ddcsn/12TS9Rev.pdf) for the high pressure fuel line kit numbers to repair these engines.
1. Remove the two high pressure fuel injector line seal mounting bolts (1) securing the high pressure fuel injector line seal
to the camshaft housing.
2. For the number six high pressure fuel injector line only, remove the Pressure Limiting Valve (PLV) return line banjo
bolt (1) and discard the sealing washers (2).
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All information subject to change without notice.
Copyright © 2013 DETROIT DIESEL CORPORATION 11 17-12
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3. Using J-48770 or equivalent, loosen the high pressure fuel injector line rail fitting nut (1) at the fuel rail.
4. Using J-48770 or equivalent, loosen the high pressure fuel injector line nut (1) at the camshaft housing.
All information subject to change without notice.
11 17-12 Copyright © 2013 DETROIT DIESEL CORPORATION
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2 Removal of the High Pressure Fuel Injector Lines - Three-Filter System
NOTE: The high pressure fuel injector line seal is a single-use item and cannot be re-used.
5. Remove the high pressure fuel injector line and high pressure fuel injector line seal as an assembly from the engine.
6. Remove and discard the high pressure fuel injector line seal from the high pressure fuel injector line.
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All information subject to change without notice.
Copyright © 2013 DETROIT DIESEL CORPORATION 11 17-12
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3
Installation of the High Pressure Fuel Injector Lines - Three-Filter
System
Install as follows:
WARNING: PERSONAL INJURY
All hardware/components must be installed in the proper locations, and MUST be fastened to the
specified torque. Failure to properly torque hardware/components will result in failure of a high
pressure fuel feed line, resulting in possible fire and/or personal injury.
NOTICE: The high pressure fuel rail feed lines, P-clips, vibration dampers, mounting bracket and hardware are
one-time use components and MUST be replaced any time they are loosened or removed.
NOTICE: Service kits have been released containing all of the necessary parts to replace the high pressure fuel
rail feed lines on EPA07/10 DD13, GHG14 DD13, EPA07/10 DD15/16, GHG14 DD15TC/DD16 and GHG14
DD15AT engines. Refer to TS letter 12 TS-9 (http://www.ddcsn.com/cps/rde/xbcr/ddcsn/12TS9Rev.pdf) for the
high pressure fuel line kit numbers to repair these engines.
NOTE: The high pressure fuel injector line seal is a single-use item and cannot be re-used.
1. Install the new high pressure fuel injector line seal on to the high pressure fuel injector line.
2. Install the high pressure fuel injector line and the new high pressure fuel injector line seal as an assembly onto the
engine. Tighten high pressure fuel injector line nut (1) hand tight.
NOTICE: During tightening of the number six high pressure fuel injector line at the fuel rail, make sure the tool
does not bind against the Pressure Limiting Valve (PLV) banjo fitting. If the tool pushes against the banjo fitting,
reposition the tool on the high pressure fuel injector line rail fitting nut so that the specified tightening torque can
be accomplished without the tool binding against the PLV banjo fitting.
3. Using J-48770 or equivalent, tighten the high pressure fuel injector line rail fitting nut to the fuel rail. Torque to 40
N·m (30 lb·ft).
All information subject to change without notice.
11 17-12 Copyright © 2013 DETROIT DIESEL CORPORATION
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3 Installation of the High Pressure Fuel Injector Lines - Three-Filter System
4. For the number six high pressure fuel injector line only, install the PLV sealing washers (2) and PLV return line banjo
bolt (1). Torque to 30-32 N·m (22-24 lb·ft).
5. Using tool J-48770 or equivalent, torque the high pressure fuel injector line nut (1) to 40 N·m (30 lb·ft).
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All information subject to change without notice.
Copyright © 2013 DETROIT DIESEL CORPORATION 11 17-12
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6. Install two high pressure fuel injector line seal mounting bolts (1). Torque to 15 N·m (11 lb·ft).
All information subject to change without notice.
11 17-12 Copyright © 2013 DETROIT DIESEL CORPORATION
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