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Service bulletin 18SP684

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 id10141843
Published by NHTSA2018-06-18
Manufacturer's number18SP684
Manufacturer's date2014-05-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

18SP684Rev3 EPA07 and EPA10 DD Platform EGR Delta Pressure Sensor Update

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories, Exhaust and emissions, Labels and manuals, EGR valve

Vehicles listed
FCCC XBP2007 to 2013
FCCC XCM2007 to 2013
FCCC XCP2007 to 2013
FREIGHTLINER BUSINESS CLASS M22008 to 2013
FREIGHTLINER BUSINESS CLASS M2 106V2007
FREIGHTLINER CASCADIA2007, 2008, 2009, 2010, 2011, 2012, 2013
FREIGHTLINER COLUMBIA2007, 2008, 2009, 2010, 2011, 2012, 2013
FREIGHTLINER CORONADO2007, 2008, 2009, 2010, 2011, 2012, 2013
WESTERN STAR 47002007, 2008, 2009, 2010, 2011, 2012, 2013
WESTERN STAR 49002007, 2008, 2009, 2010, 2011, 2012, 2013

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

Other bulletins for the same vehicles and component
TechTalk20392020-09-25. Service bulletin. Tech Talk Discussion for DD15 GHG14 EGR linkage hex nuts.
525-132018-06-25. Service bulletin. 525-13 SPN 2791-FMI 7 ? ALL YEARS
418-132018-06-18. Service bulletin. 418-13 SPN 2791-FMI 12 - GHG14
407-132018-06-18. Service bulletin. 407-13 EGR Actuator Slow Learn
512-142018-06-18. Service bulletin. 512-14 FMI 0: DPF Outlet Temperature Very High
506-142018-06-18. Service bulletin. 506-14 506-14 Removal and Installation and Inspection of the Exhaust Gas Recirculation Valve Actuator Pull Rod
0141-172018-04-16. Service bulletin. 0141-17 SPN 2659 (MCM) (EPA10)
0114-172018-04-16. Service bulletin. 0114-17 SPN 2791 (MCM) (EPA07;EPA10)
0514-162018-03-13. Service bulletin. Cleaning of the Exhaust Gas Recirculation Venturi Pipe Delta P Sensor Ports
18SP6872017-10-15. Service bulletin. 18SP687 18SP687 DD15/16 EGR Actuator Replacement Service Kit