WenmarOpen by Wenmar Pro

Service bulletin 18SP720

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10103041
Published by NHTSA2017-06-05
Manufacturer's number18SP720
Manufacturer's date2015-11-01
NHTSA componentFUEL SYSTEM, OTHER

NHTSA's summary

18SP720 EPA10 DD15/16 THREE-FILTER ESOC FUEL SYSTEM TO TWO-FILTER KM59 GEN1 FUEL SYSTEM CONVERSION SERVICE KIT 2

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Fuel system

Vehicles listed
FREIGHTLINER 122SD2014 to 2017
FREIGHTLINER CASCADIA2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
FREIGHTLINER COLUMBIA2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
FREIGHTLINER CORONADO2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
WESTERN STAR 49002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
WESTERN STAR 57002014, 2015, 2016, 2017
WESTERN STAR 69002009, 2010, 2011, 2012, 2013, 2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20184692018-08-31. Fuel System
17V4500002017-07-19. FUEL SYSTEM, DIESEL
20164412016-09-09. Fuel System
15V1050002015-02-23. FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
14V6800002014-10-29. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
20120802012-02-27. Fuel System
11V2870002011-05-18. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
10V3390002010-07-27. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
20102502010-07-26. Fuel System
10V1890002010-05-07. FUEL SYSTEM, OTHER

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SS3102-FTL20222022-06-04. Service bulletin. Service Solution for 100/120/130 Gallons Fuel Tanks interference/rubbing with fairing bracket.
SS3082FTL20212021-07-22. Service bulletin. Service Solution for New Cascadia Fuel Sending Unit Connector Loose.
SS10330942021-06-09. Service bulletin. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
FAB1532021-05-18. Service bulletin. Freightliner Action Bulletin FAB153 New Harness Highway for Cascadia
FTLCAE139-20132021-05-12. Service bulletin. INTERIOR STORAGE - Side Storage Bins Removed from Certain Cascadia Sleepers. SEAT BELTS - Height Adjustment Removed from Cascadia Passenger Side Seat Belt. FUEL TANKS - Fuel Tank Changes for 25" and 23" Tanks for Model Year 2015. TRANSMISSION - Correction to Allison 5th Gen Module 84L Definition Example. ADMINISTRATION - Model Year 2015 Changeover Date Established. APPENDIX A - 25" and 23" Diameter Cylindrical Fuel Tank Changes. APPENDIX B - Revised Allison 5th Gen New Modules and Definitions
TechTalk566541K2021-05-07. Service bulletin. Tech Talk discussion on Needing regen in same area every time.
TechTalk566596K2021-05-07. Service bulletin. Tech Talk discussion on DD15 injector cups.
TechTalk81612021-03-03. Service bulletin. Tech Talk discussion on DD15 HARD TO START UNLESS PLUGGED IN.
TechTalk80712021-03-02. Service bulletin. Tech Talk continued discussion on dd15 fuel pump timing.
TechTalk80712021-02-02. Service bulletin. Tech Talk discussion on dd15 fuel pump timing.