NHTSA ID Number: 10128734
Manufacturer Communication Number: 0303-16
TSB/Document Date: 2018-02-12
Summary
Hydrocarbon Doser Coolant Lines
03 03-16
1
03 03-16
SUBJECT
DATE
Hydrocarbon Doser Coolant Lines
March 2016
Additions, Revisions, or Updates
Publication Number / Title
Platform
Section Title
Change
Removal of the
Hydrocarbon Doser
Coolant Lines - DD13
and DD15AT
DDC-SVC-MAN-0083
DD Platform
Installation of the
Hydrocarbon Doser
Coolant Lines - DD13
and DD15AT
Removal of the
Hydrocarbon Doser
Coolant Lines - DD15TC
and DD16
New procedures.
Installation of the
Hydrocarbon Doser
Coolant Lines - DD15TC
and DD16
All information subject to change without notice.
03 03-16
Copyright © 2016 DETROIT DIESEL CORPORATION
3
2 Removal of the Hydrocarbon Doser Coolant Lines - DD13 and DD15AT
2
Removal of the Hydrocarbon Doser Coolant Lines - DD13 and DD15AT
Remove as follows:
WARNING: PERSONAL INJURY
To avoid injury from hot surfaces, wear protective gloves, or allow engine to cool before removing
any component.
1. Shut off the engine, apply the parking brake, chock the wheels, and perform any other applicable safety steps.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
2.
3.
4.
5.
6.
7.
8.
9.
Disconnect the batteries. Refer to Original Equipment Manufacturer (OEM) procedures.
Open the hood.
If necessary, remove the front bumper. Refer to the OEM procedure.
If necessary, remove the splash shield. Refer to the OEM procedure.
Drain the engine coolant. Refer to section "Cooling System Drain Procedure".
Remove the air filter housing assembly.
Disconnect the Diesel Exhaust Fluid (DEF) header coolant line at the water manifold. Refer to the OEM procedure.
Remove and save the bolts (1) attaching the p-clips holding the coolant supply and return lines to the cylinder block.
NOTE: When removing the Hydrocarbon (HC) doser coolant lines, hold the water manifold HC doser coolant line
fitting with a separate wrench.
10. Remove the HC doser coolant inlet line from the HC fuel doser housing and the water manifold. Discard seal rings.
4
All information subject to change without notice.
Copyright © 2016 DETROIT DIESEL CORPORATION 03 03-16
03 03-16
11. Remove the HC doser coolant outlet line from the HC fuel doser housing and the water manifold. Discard seal rings.
All information subject to change without notice.
03 03-16
Copyright © 2016 DETROIT DIESEL CORPORATION
5
3 Installation of the Hydrocarbon Doser Coolant Lines - DD13 and DD15AT
3
Installation of the Hydrocarbon Doser Coolant Lines - DD13 and
DD15AT
Install as follows:
NOTE: When installing the Hydrocarbon (HC) doser coolant lines, hold the water manifold HC doser coolant line
fitting with a separate wrench.
1. Install the HC doser coolant inlet and outlet lines to the water manifold assembly.
2. Torque the HC doser coolant inlet and outlet lines at the water manifold assembly.
• For the 5mm long thread fitting, torque to 15 N·m (11 lb·ft)
• For the 15mm long thread fitting, torque to 22 N·m (16 lb·ft)
3. With new seal rings, install the inlet and outlet coolant lines to the Hydrocarbon (HC) doser housing. Torque to 15 N·m
(11 lb·ft).
4. Install the bolts (1) attaching the p-clips holding the coolant supply and return lines to the cylinder block.
5. Torque the top two p-clip bolts to 30 N·m (22 lb·ft).
6. Torque the lower p-clip bolt closest to the HC fuel doser housing to 60 N·m (44 lb·ft).
7. Connect the Diesel Exhaust Fluid (DEF) header coolant line at the water manifold. Refer to the Original Equipment
Manufacturer (OEM) procedure.
8. Install the air filter. Refer to OEM procedures.
9. If removed, install the splash shield. Refer to the OEM procedure.
10. If removed, install the front bumper. Refer to the OEM procedure.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
11. Reconnect the batteries. Refer to OEM procedures.
6
All information subject to change without notice.
Copyright © 2016 DETROIT DIESEL CORPORATION 03 03-16
03 03-16
12. Fill the cooling system. Refer to section "Cooling System Fill Procedure".
13. Close the hood.
All information subject to change without notice.
03 03-16
Copyright © 2016 DETROIT DIESEL CORPORATION
7
4 Removal of the Hydrocarbon Doser Coolant Lines - DD15TC and DD16
4
Removal of the Hydrocarbon Doser Coolant Lines - DD15TC and DD16
Remove as follows:
WARNING: PERSONAL INJURY
To avoid injury from hot surfaces, wear protective gloves, or allow engine to cool before removing
any component.
1. Shut off the engine, apply the parking brake, chock the wheels, and perform any other applicable safety steps.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Disconnect the batteries. Refer to Original Equipment Manufacturer (OEM) procedures.
Open the hood.
If necessary, remove the front bumper. Refer to the OEM procedure.
If necessary, remove the splash shield. Refer to the OEM procedure.
Drain the engine coolant. Refer to section "Cooling System Drain Procedure".
Remove the air filter housing assembly.
Disconnect the Diesel Exhaust Fluid (DEF) header coolant line at the water manifold. Refer to the OEM procedure.
Remove the exhaust S-pipe. Refer to section "Removal of the DD15 and DD16 Exhaust S-pipe".
Remove and save the bolts (1) attaching the p-clips holding the coolant supply and return lines to the cylinder block.
NOTE: When removing the Hydrocarbon (HC) doser coolant lines, hold the water manifold HC doser coolant line
fitting with a separate wrench.
8
All information subject to change without notice.
Copyright © 2016 DETROIT DIESEL CORPORATION 03 03-16
03 03-16
11. Remove the HC doser coolant inlet line from the water manifold.
12. Remove the HC doser coolant outlet line from the water manifold.
All information subject to change without notice.
03 03-16
Copyright © 2016 DETROIT DIESEL CORPORATION
9
5 Installation of the Hydrocarbon Doser Coolant Lines - DD15TC and DD16
5
Installation of the Hydrocarbon Doser Coolant Lines - DD15TC and
DD16
Install as follows:
NOTE: When installing the Hydrocarbon (HC) doser coolant lines, hold the water manifold HC doser coolant line
fitting with a separate wrench.
1. Install the HC doser coolant inlet and outlet lines to the water manifold assembly.
2. Torque the HC doser coolant inlet and outlet lines at the water manifold assembly.
• For the 5mm long thread fitting, torque to 15 N·m (11 lb·ft)
• For the 15mm long thread fitting, torque to 22 N·m (16 lb·ft)
3. Install the bolts (1) attaching the p-clips holding the coolant supply and return lines to the cylinder block. Torque the pclip bolts to 30 N·m (22 lb·ft).
4. Install the exhaust S-pipe. Refer to section "Installation of the DD15 and DD16 Exhaust S-pipe".
5. Connect the Diesel Exhaust Fluid (DEF) header coolant line at the water manifold. Refer to the Original Equipment
Manufacturer (OEM) procedure.
6. Install the air filter. Refer to OEM procedures.
7. If removed, install the splash shield. Refer to the OEM procedure.
8. If removed, install the front bumper. Refer to the OEM procedure.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
9. Reconnect the batteries. Refer to OEM procedures.
10. Fill the cooling system. Refer to section "Cooling System Fill Procedure".
11. Close the hood.
10
All information subject to change without notice.
Copyright © 2016 DETROIT DIESEL CORPORATION 03 03-16
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TSB/Document ID: 0303-16
Replacement Service Bulletin Number:
MFR Communication Date: 2016-03-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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