NHTSA ID Number: 10146327
Manufacturer Communication Number: 0508-18
TSB/Document Date: 2018-10-29
Summary
0508-18 Aftertreatment
05 08-18
1
05 08-18
SUBJECT
DATE
Aftertreatment
May 2018
Additions, Revisions, or Updates
Publication Number / Title
Platform
Section Title
Change
Installation of the DEF
Pump Module
Installation of the DEF
Dosing Unit
Installation of the Diesel
Exhaust Fluid Dosing
Unit Inlet Screen
Installation of the Diesel
Exhaust Fluid Lines
DDC-SVC-MAN-0190
GHG17 DD
HD
Installation of the SixGallon Diesel Exhaust
Fluid Tank
Installation of the 13- and
23-Gallon Diesel
Exhaust Fluid Tank
Installation of the 13- and
23-Gallon Diesel
Exhaust Fluid Tank
Header Unit
Updated to run three ADS self-check routines instead of one to
prime the DEF.
Installation of the SixGallon Diesel Exhaust
Fluid Tank Header Unit
Installation of the GHG14
DEF Pump Module
DDC-SVC-MAN-0083
GHG14 DD
HD
Installation of the GHG14
DEF Dosing System
Doser
Installation of the GHG14
Diesel Exhaust Fluid
Lines
All information subject to change without notice.
05 08-18
Copyright © 2018 DETROIT DIESEL CORPORATION
3
1 05 08-18
4
All information subject to change without notice.
Copyright © 2018 DETROIT DIESEL CORPORATION
05 08-18
05 08-18
2
Installation of the Diesel Exhaust Fluid Pump Module
Install as follows:
NOTE: If air pressure is greater than 620 kPa (90 psi), use a pressure regulator.
1. Using a rubber tipped air gun to seal around the DEF pump inlet fitting, apply clean regulated shop air to the DEF
pump inlet fitting (1) for three to five seconds.
2. Install the two bolts (5) that fasten the Diesel Exhaust Fluid (DEF) pump (3) to the mounting bracket (4). Torque to 18
N·m (13 lb·ft).
All information subject to change without notice.
05 08-18
Copyright © 2018 DETROIT DIESEL CORPORATION
5
2 Installation of the Diesel Exhaust Fluid Pump Module
3. Install the DEF pump and mounting bracket onto the mounting studs and install nuts and washers (1). Torque to 31
N·m (23 lb·ft).
4. Connect the DEF pump electrical harness connector.
5. Verify the DEF lines and connection fittings are clean; connect the DEF suction line (1) and pressure line (2).
6
All information subject to change without notice.
Copyright © 2018 DETROIT DIESEL CORPORATION
05 08-18
05 08-18
NOTICE: To connect a DEF coolant line, push the line coupling onto the DEF port male connector, then pull back
gently on the coupling to engage the holding clip in the locked position.
6. Verify that the coolant lines and connectors are clean and then install the coolant lines (3 and 4) to the pump.
7. Install the protective cover (1). Install and torque bolts to 50 N·m (37 lb·ft).
8. Fill the cooling system.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
9. Connect the batteries.
NOTE: Opening the DEF system can cause DEF from the lines to drain back to the DEF tank. Running three
consecutive SCR ADS self-check routines will prime the DEF system and restore proper system operation.
10. Run three consecutive SCR ADS self-check routines to prime the DEF system and check for leaks.
All information subject to change without notice.
05 08-18
Copyright © 2018 DETROIT DIESEL CORPORATION
7
3 Installation of the Diesel Exhaust Fluid Dosing Unit
3
Installation of the Diesel Exhaust Fluid Dosing Unit
Install as follows:
NOTICE: The Diesel Exhaust Fluid (DEF) doser gasket and bolts are one-time-use items. Over- torqueing the
DEF doser bolts will crush the gasket, causing exhaust leaks.
1. Install a new gasket with the gasket legs facing outward.
2. Install the DEF dosing unit to the mounting plate by installing the three new bolts (1). Torque to 10 N·m (7 lb·ft).
8
All information subject to change without notice.
Copyright © 2018 DETROIT DIESEL CORPORATION
05 08-18
05 08-18
3. Connect the DEF doser electrical connector (2) (see figure above).
4. Connect the DEF pressure and return lines to the DEF dosing unit.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
5. Connect the batteries.
NOTE: Opening the DEF system can cause DEF from the lines to drain back to the DEF tank. Running three
consecutive SCR ADS self-check routines will prime the DEF system and restore proper system operation.
6. Run three consecutive SCR ADS self-check routines to prime the DEF system and check for leaks.
7. If removed, install the side fairing. Refer to OEM procedures.
All information subject to change without notice.
05 08-18
Copyright © 2018 DETROIT DIESEL CORPORATION
9
4 Installation of the Diesel Exhaust Fluid Dosing Unit Inlet Screen
4
Installation of the Diesel Exhaust Fluid Dosing Unit Inlet Screen
Install as follows:
1. Install the Diesel Exhaust Fluid (DEF) dosing unit inlet screen (3).
NOTICE: Wet the DEF flange connector O-rings (4) with DEF before installing into the DEF flange (5) or dosing
unit (2) to prevent seal damage.
2.
3.
4.
5.
Install two new DEF flange connectors (4) into DEF flange (5).
Install the DEF flange (5) to the DEF dosing unit (2).
Install two new bolts (1) to fasten DEF flange and torque to 7 to 8 N·m (5 to 6 lb·ft).
Connect the DEF supply and return lines to the DEF dosing unit.
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
6. Connect the batteries.
NOTE: Opening the DEF system can cause DEF from the lines to drain back to the DEF tank. Running three
consecutive SCR ADS self-check routines will prime the DEF system and restore proper system operation.
7. Run three consecutive SCR ADS self-check routines to prime the DEF system and check for leaks.
10
All information subject to change without notice.
Copyright © 2018 DETROIT DIESEL CORPORATION
05 08-18
05 08-18
5
Installation of the Diesel Exhaust Fluid Lines
Install as follows:
NOTICE: To connect a Diesel Exhaust Fluid (DEF) line, push the line coupling onto the DEF port male connector,
then pull back gently on the coupling to engage the holding clip in the locked position.
1. Ensure the new DEF lines are undamaged and free of dirt and debris.
2. Remove any white DEF crystals from the DEF ports on the tank header, DEF pump, and dosing unit.
3. Connect the new DEF pressure line (2) and the new DEF return line (1) to the DEF dosing unit.
4. Connect the DEF pressure (3) and return (4) line heater electrical connectors at the DEF dosing unit and install into the
mounting brackets.
5. Connect the DEF suction line (1) and the DEF pressure line (2) to the DEF pump.
All information subject to change without notice.
05 08-18
Copyright © 2018 DETROIT DIESEL CORPORATION
11
5 Installation of the Diesel Exhaust Fluid Lines
6. Connect the DEF suction line (1) and DEF return line (2) to the DEF tank header.
7. Connect the DEF line heater wiring harnesses at the tank and DEF pump.
8. Install all removed DEF line mounting points, making sure the DEF lines are properly secure.
12
All information subject to change without notice.
Copyright © 2018 DETROIT DIESEL CORPORATION
05 08-18
05 08-18
CAUTION: ELECTRICAL SHOCK
To avoid injury from electrical shock, use care when connecting battery cables. The magnetic
switch studs are at battery voltage.
9. Connect the batteries. Refer to OEM procedures.
NOTE: Opening the DEF system can cause DEF from the lines to drain back to the DEF tank. Running three
consecutive SCR ADS self-check routines will prime the DEF system and restore proper system operation.
10. Run three consecutive SCR ADS self-check routines to prime the DEF system and check for leaks.
11. If removed, install the side fairing. Refer to OEM procedures.
All information subject to change without notice.
05 08-18
Copyright © 2018 DETROIT DIESEL CORPORATION
13
6 Installation of the Six-Gallon Diesel Exhaust Fluid Tank
6
Installation of the Six-Gallon Diesel Exhaust Fluid Tank
Install as follows:
1. Slide the tank (1) onto the mounting studs.
2. Install the two tank retaining washers (5) on the tank mounting studs.
3. Install two cap screws (6) onto the mounting studs, securing the tank and retaining washers on the tank mounting
studs. Torque from 15 to 25 N·m (11 to 18 lb·ft).
4. Connect the coolant supply and return lines to the coolant ports (1) on the Diesel Exhaust Fluid (DEF) tank header.
14
All information subject to change without notice.
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TSB/Document ID: 0508-18
Replacement Service Bulletin Number:
MFR Communication Date: 2018-05-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
MFR Component System:
MFR Component Subsystem:
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