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

sbu42020 Aug 1, 2017
WESTERN STAR — WESTERN STAR
060000 ENGINE (PWS)
sbu42020 Air Leak Diagnostics
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sbw42007 Aug 1, 2017
WESTERN STAR — WESTERN STAR
070000 FUEL SYSTEM, GASOLINE
sbw42007 Perpendicular Air Tank Bracket Replacement
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sbw42009 Aug 1, 2017
WESTERN STAR — WESTERN STAR
060000 ENGINE (PWS)
sbw42009 Air Leak Diagnostics
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WSTCAE155-2017 Aug 1, 2017
WESTERN STAR — WESTERN STAR
220000 SEATS
New Laredo Seat Cover Material
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WSTCAE154-2017 Jul 9, 2017
WESTERN STAR — WESTERN STAR
030000 SERVICE BRAKES, HYDRAULIC
Bendix Introduces Next Gen Drum Brakes
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WSTCAE153-2017 Jul 3, 2017
WESTERN STAR — WESTERN STAR
200000 WHEELS
Michelin X MULTI D for North America & Export
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WSTCAE152-2017 Jun 28, 2017
WESTERN STAR — WESTERN STAR
200000 WHEELS
Michelin Introduces the X MULTI D Tire
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WSTCAE151-2017 Jun 22, 2017
WESTERN STAR — WESTERN STAR
200000 WHEELS
New Accuride Steel Disc Wheels
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WSTCAE150-2017 Jun 19, 2017
WESTERN STAR — WESTERN STAR
100000 POWER TRAIN
New Eaton Advantage Series Clutches
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sbw0002 Jun 17, 2017
WESTERN STAR — 4700, 4800, 4900, 5700, 5900, 6900, CONSTELLATION, WESTERN STAR (2002–2019) — 185 vehicle combinations
350000 EQUIPMENT
Technical Publications Ordering
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WSTCAE149-2017 Jun 7, 2017
WESTERN STAR — 5700 (2018)
100000 POWER TRAIN
Air-to-Oil Coolers for DT12 in 5700
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WSTCAE148-2017 May 15, 2017
WESTERN STAR — WESTERN STAR
200000 WHEELS
New Accuride Aluminum Wheels
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WSTCAE147-2017 May 10, 2017
WESTERN STAR — WESTERN STAR
200000 WHEELS
CONMET PreSet Plus Premium Hubs
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FL732 Apr 28, 2017
WESTERN STAR — 4900 (2016–2017) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Western Star Aluminum Air Tanks
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sbw42008 Apr 17, 2017
WESTERN STAR — 4700, 4800, 4900, 5700 (2017) — 8 vehicle combinations
022000 SUSPENSION:REAR
Rear Axle S-Cam Support Bracket Replacement
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sbw49017 Apr 17, 2017
WESTERN STAR — 4700, 4800, 4900, 5700, 6900 (2002–2019) — 86 vehicle combinations
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
Magnetized Fill Neck for Six-Gallon DEF Tanks
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sbw49018 Apr 17, 2017
WESTERN STAR — WESTERN STAR — 2 vehicle combinations
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Cleaning DEF Line Connectors
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17CSA5 Apr 10, 2017
WESTERN STAR — WESTERN STAR
350000 EQUIPMENT
Holiday Schedule for the Detroit? Customer Support Center
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WSTCAE144-2017 Mar 6, 2017
WESTERN STAR — WESTERN STAR
350000 EQUIPMENT
Radios Change from Panasonic to Delphi (CD884)
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sbw54065 Mar 1, 2017
WESTERN STAR — 4700, 4800, 4900, 5700, 5900, 6900 (2016–2018) — 122 vehicle combinations
030000 SERVICE BRAKES, HYDRAULIC
GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
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sbw60026 Mar 1, 2017
WESTERN STAR — 5700 (2015–2017) — 3 vehicle combinations
162900 STRUCTURE:BODY:ROOF AND PILLARS
Roof Fairing Support, 82-Inch Sleeper Cab
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sbw8329 Mar 1, 2017
WESTERN STAR — 4700, 4900, 5700 (2002–2019) — 160 vehicle combinations
161000 STRUCTURE:FRAME AND MEMBERS
HVAC Fresh Air Intake Water Leak, 4700 and 5700
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WSTCAE146-2017 Feb 27, 2017
WESTERN STAR — WESTERN STAR
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Electronic Stability Control Requirement for US 6x4 Tractors
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WSTCAE145-2017 Feb 20, 2017
WESTERN STAR — WESTERN STAR
070000 FUEL SYSTEM, GASOLINE
NEW DAVCO 487 FUEL WATER SEPARATOR (CD288
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FL725 Feb 1, 2017
WESTERN STAR — 4900, 5700 (2014–2017) — 16 vehicle combinations
150000 SEAT BELTS
FL725 Western Star Seat Belt Anchor Plates
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