Technical Service Bulletins

Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,686,952 Total Records
879 Vehicle Makes
1955–2025 Year Range
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Showing 526 bulletins for WESTERN STAR

fsbw42009 Feb 1, 2018
WESTERN STAR — 4700, 4800, 4900, 5700, 5900, 6900 (2012–2018) — 42 vehicle combinations
060000 ENGINE AND ENGINE COOLING
fsbw42009 Diagnostic de fuite d'air
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fsbw42010 Feb 1, 2018
WESTERN STAR — 4700, 4800, 4900, 5700, 5900 (2012–2018) — 35 vehicle combinations
060000 ENGINE AND ENGINE COOLING
fsbw42010 Inspection d'absence de fuites d'air par les transporteurs concessionnaires
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fsbw4206 Feb 1, 2018
WESTERN STAR — CONSTELLATION (2009–2016) — 7 vehicle combinations
030000 BRAKES (PWS)
fsbw4206 Dandinement des freins - Tambour de frein MeritorMD SteeLite X30MD avec voilage excessif
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fsbw49019 Feb 1, 2018
WESTERN STAR — 4700, 4900, 5700 (2012–2018) — 42 vehicle combinations
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
fsbw49019 Conduite sous pression de fluide pour echappement diesel (DEF) debranchee au niveau du raccordement du doseur
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ssbw42010 Feb 1, 2018
WESTERN STAR — 4700, 4800, 4900, 5700, 5900 (2012–2018) — 66 vehicle combinations
030000 BRAKES (PWS)
ssbw42010 Inspeccion de fugas de aire del transportista concesionario
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ssbw49019 Feb 1, 2018
WESTERN STAR — 4700, 4900, 5700 (2012–2018) — 42 vehicle combinations
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
ssbw49019 Manguera de presion del liquido de escape diesel (DEF) desconectada en la conexion del dosificador
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FL745 Dec 26, 2017
WESTERN STAR — 4900 (2017–2018) — 2 vehicle combinations
021210 SUSPENSION:FRONT:SPRINGS:COIL SPRINGS
FL745 Western Star 4900 Front Springs
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ICI17-042 Dec 26, 2017
WESTERN STAR — 4900 (2017–2018) — 2 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
FL745 - Revised Bulletin
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DOC-1033304 Dec 22, 2017
WESTERN STAR — 5700 (2012–2018) — 7 vehicle combinations
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
SS 1033304 -Western Star 5700 Side Window Defrost Performance
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WSTCAE161-2017 Dec 20, 2017
WESTERN STAR — 4700 (2018) — 3 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
Volume-Based Rectangular Fuel Tank Change
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DOC-1033279 Nov 22, 2017
WESTERN STAR — 5700 (2016–2017) — 2 vehicle combinations
122000 EXTERIOR LIGHTING:FOG LIGHTS
SS - 1033279: WST 5700XE Fog Lamp Long Life Bulb replacement
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42-010 Nov 17, 2017
WESTERN STAR — 4700, 4800, 4900, 5700, 5900 (2015–2018) — 72 vehicle combinations
040000 SERVICE BRAKES, AIR
Transport Dealer Air Leak Inspection
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49-019 Nov 17, 2017
WESTERN STAR — 4700, 4900, 5700 (2014–2018) — 15 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Diesel Exhaust Fluid (DEF) Pressure Line Disconnected at the Doser Connection
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FL746 Nov 16, 2017
WESTERN STAR — 4700 (2015–2017) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
Western Star Battery Cable Routing
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DOC-1033221 Nov 13, 2017
WESTERN STAR — 5700 (2010)
162800 STRUCTURE:BODY:HOOD
SS -1033221 WST 5700 Excessive Hood Opening Force
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DOC-1033256 Nov 2, 2017
WESTERN STAR — 4900 (2007–2018) — 14 vehicle combinations
020000 SUSPENSION
Service Solution for Western Star 4900, Frame Beaming - Rough Ride Vibration in bob tail mode
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WSTCAE157-2017 Sep 22, 2017
WESTERN STAR — WESTERN STAR
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Electronic Stability Control Requirement for Canadian 6x4 Tractors
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sbw31012 Sep 17, 2017
WESTERN STAR — 4700, 5700 (2010–2018) — 18 vehicle combinations
350000 EQUIPMENT
Towing Procedures
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sbw54066 Sep 17, 2017
WESTERN STAR — 5700 (2013–2018) — 6 vehicle combinations
042510 SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
ICU4Me Low Air Pressure Warning Change
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WSTCAE156-2017 Sep 14, 2017
WESTERN STAR — WESTERN STAR — 2 vehicle combinations
190000 TIRES
Michelin Tire Introductions
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DOC-1033174 Sep 12, 2017
WESTERN STAR — 5700 (2015–2018) — 4 vehicle combinations
130000 VISIBILITY
DOC-1033174 WST 5700 Aux Mirror Does Not Fold
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DOC-1033195 Sep 12, 2017
WESTERN STAR — 4700, 4800, 4900, 5700, 5900, 6900 (2017) — 12 vehicle combinations
110000 ELECTRICAL SYSTEM
DOC-1033195 WST Doors Locking Immediately After Locking or Closing the Door
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DOC-1033215 Sep 12, 2017
WESTERN STAR — 4700, 4800, 4900, 5700, 5900, 6900 (2016–2018) — 18 vehicle combinations
131000 VISIBILITY:WINDSHIELD
DOC-1033215 Windshield Aesthetic Inside Trim not Secured Correctly or Loose
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DOC-1033220 Sep 12, 2017
WESTERN STAR — 4700 (2015–2018) — 4 vehicle combinations
121000 EXTERIOR LIGHTING:HEADLIGHTS
DOC-1033220 WST 4700 Headlight Bezel Chrome Wrinkling
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DOC-1033223 Sep 12, 2017
WESTERN STAR — 4700 (2012–2018) — 14 vehicle combinations
162810 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS
DOC-1033223 WST 4700 with Cummins Engine Hood Strap Wrapping Around AC Pressure Switch
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