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Service bulletin 0505-18

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 id10151487
Published by NHTSA2018-12-10
Manufacturer's number0505-18
Manufacturer's date2018-05-05
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

0505-18 SPN 3563 HDEP Inlet manifold pressure Too Low

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, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
FREIGHTLINER 114SD2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
FREIGHTLINER 122SD2007 to 2018
FREIGHTLINER BUSINESS CLASS M22008 to 2018
FREIGHTLINER BUSINESS CLASS M2 106V2007
FREIGHTLINER CASCADIA2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
WESTERN STAR 47002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
WESTERN STAR 49002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
WESTERN STAR 57002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
WESTERN STAR 69002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
15V8160002015-12-07. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
14V6800002014-10-29. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

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
0323-172018-06-18. Service bulletin. (MCM) (GHG17)
0310-172018-06-18. Service bulletin. (MCM) (GHG17)
0325-172018-06-18. Service bulletin. (MCM) (GHG17)
0315-172018-06-18. Service bulletin. GHG14 - Intake Manifold Pressure Too Low
0314-172018-06-18. Service bulletin. GHG14 Intake Manifold Pressure Too Low
501-142018-06-18. Service bulletin. 501-14 Removal and Installation of the DD13 Exhaust Flanged Manifold
DOC-10332972018-06-18. Service bulletin. SS 1033297: WST 4900 Low Max Exhaust Pipe Installation improvements
0129-172018-04-16. Service bulletin. 0129-17 SPN 102 (MCM) (GHG17)
0125-172018-04-16. Service bulletin. 0125-17 SPN 4817 (MCM) (GHG17)
914-142017-10-15. Service bulletin. 914-14 Ambient and Inlet Manifold Pressure Difference (High Box)