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Service bulletin DOC-1034171

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 id10156220
Published by NHTSA2019-04-01
Manufacturer's numberDOC-1034171
Manufacturer's date2019-02-12
NHTSA componentSUSPENSION

NHTSA's summary

SS 1034171 Airliner Rear Suspension Chassis Lean Troubleshooting

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

Suspension

Vehicles listed
FREIGHTLINER 108SD2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
FREIGHTLINER 114SD2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
FREIGHTLINER 122SD2010 to 2019
FREIGHTLINER ARGOSY2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
FREIGHTLINER BUSINESS CLASS M22010 to 2019
FREIGHTLINER CASCADIA2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
FREIGHTLINER CENTURY CLASS2010 to 2018
FREIGHTLINER COLUMBIA2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
FREIGHTLINER CORONADO2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 47002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 48002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 49002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 57002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 69002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019

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

Recalls for the same vehicles and component
20V6600002020-10-27. SUSPENSION:REAR:AXLE:SPINDLE
18V9130002018-12-19. SUSPENSION:FRONT:CONTROL ARM; STEERING:LINKAGES:TIE ROD ASSEMBLY; STEERING
20183952018-07-30. Suspension
20174072017-08-24. Suspension
17V5210002017-08-24. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
15V5860002015-09-22. SERVICE BRAKES, AIR:DISC:CALIPER; SUSPENSION:REAR
14V3670002014-06-25. SUSPENSION:FRONT; STEERING
13V6270002013-12-17. ELECTRICAL SYSTEM:WIRING; PARKING BRAKE; SUSPENSION:MULTIPLE AXLE
12V2660002012-06-12. SUSPENSION:FRONT
20114072011-11-17. Suspension

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
CXA_10_25_TufTrac M122025-11-05. Other. CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
TSB32-057-FTL2025-10-03. Service bulletin. Technical Service Bulletin for TufTrac M12 Bolts
SS734-WST2024-06-05. Other. Service Solution for Thread Spring Pin Suspension Alignment & Installation
SB32-0562022-03-03. Service bulletin. Freightliner Service Bulletin for Front Spring Eye Bushing Replacement
SS3083-FTL20212021-12-02. Service bulletin. Service Solution for Aero Height Control Interfering with RDF Alignment. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
FAB2862021-07-24. Service bulletin. Freightliner Action Bulletin FAB286 Cascadia Rear Suspension Ride Height
SS2083FTL20212021-07-22. Service bulletin. Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9 Active for vehicles equipped with Hadley Smart Valve. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
SS10335232021-06-09. Service bulletin. Service Solution SS 1033523 Airliner Suspension Dump and Raise Functionality and Troubleshooting
CALWS32-0012021-05-25. Service bulletin. Customer Advisory Letter on Transverse Track Rod Tower Bracket
FAB2482021-05-19. Service bulletin. Freightliner Action Bulletin FAB248 FRONT FRAME EXTENSION TOW HOOKS 10.30.17