Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 526 bulletins for WESTERN STAR
WSB-49-11
Dec 1, 2013
081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
WESTERN STAR: WHEN TRUCK SITS, FOR ANY EXTENDED PERIOD, WITH A DIESEL EXHAUST FLUID (DEF) SYSTEM, IT WOULD CRYSTALLIZED, IN THE TANK, AROUND FLOAT, ON DEF LEVEL SENDING UNIT TUBE AND NEEDS TO BE CLEANED. *PE
WSTCAE119-2013
Oct 4, 2013
190000 TIRES
TIRES - Goodyear Discontinues the G338 Drive Position Radial
SB-33-04
Sep 1, 2013
021600 SUSPENSION:FRONT:WHEEL BEARING
WESTERN STAR: IT HAS BEEN RECOMMENDED, BY CONMET, THAT THE BEARING SPACER BE REPLACED WITH NEW ONE WHEN HUB IS REMOVED. MODEL 4700, 4900, 6900.. NO YEARS LISTED. *PE
SB-35-11
Sep 1, 2013
350000 EQUIPMENT
WESTERN STAR: CONMET RECOMMENDS REPLACING THE BEARING SPACER WHEN THE HUB IS REMOVED. MODEL 4700, 4900, 6900. NO YEARS LISTED. *PE
SB-54-56
Sep 1, 2013
356000 EQUIPMENT ADAPTIVE/MOBILITY
WESTERN STAR: DUE TO AN INADEQUATE RETENTION CLIP, THE PLASTIC BATTERY BOX COVER WILL BECOME LOOSE OR MAY BE LOST. MODEL 4700. NO YEARS LISTED. *PE
WSTCAE118-2013
Jul 7, 2013
100000 POWER TRAIN
Transmission - New Allison 5th Gen Transmission Electronic Controls. Appendix - Allison 5th Gen New Modules and Definitions
54-39
Jun 1, 2013
110000 ELECTRICAL SYSTEM
WESTERN STAR: PYROMETER THERMOCOUPLE, AMMETER SHUNT, FUEL LEVEL, AND OTHER SENSOR INPUTS MAY BE CONNECTED TO THE RX MODULE. NO MODEL YEARS WERE PROVIDED. *JS
SF-483-A
Jun 1, 2013
050000 PARKING BRAKE
DAIMLER TRUCKS: ON CERTAIN TRUCKS, ENGINE MAY NOT RECEIVE COMPLETE PARK BRAKE ENGAGED INPUT SIGNAL FROM ELECTRONIC CONTROL CENTER (ECC), AND WILL BE MODIFIED, BY MOVING PARK BRAKE INPUT SIGNAL TO AN INDEPENDENT AIR SWITCH. MODEL 2010-201
WSTCAE117-2013
May 12, 2013
030000 SERVICE BRAKES, HYDRAULIC
BRAKES - Revised Rear Brake Capacities for RSD Phase Two 4x2 Tractors
SBW-4714
May 1, 2013
070000 FUEL SYSTEM, GASOLINE
WESTERN STAR: FUEL TANKS ROTATING IN SADDLES. ANTI-SLIP MATERIAL MAY NEED TO BE INSTALLED, OR AN ADDITIONAL STRIP OF RUBBER. *JS
sbw4714
May 1, 2013
071200 FUEL SYSTEM, GASOLINE:STORAGE:AUXILLARY TANK
sbw4714 Fuel Tanks Rotating in Saddles
WSTCAE116-2013
Apr 8, 2013
020000 SUSPENSION
TOPICS: BRAKES - Reduced Stopping Distance (RSD) Phase Two for US/Canadian Tractors. FRONT SUSPENSION - Certain Flat-Leaf Front Springs Unavailable on RSD Tractors
SF481-D
Apr 1, 2013
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
SF481-DLR Western Star 4700 Exhaust Drain Holes
SB-20-19
Feb 1, 2013
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
WESTERN STAR: KYSOR FAN CLUTCH ROCKING RUN OUT INSPECTION. MODELS CONSTELLATION, HERITAGE, 4700, 4800, 4900, 6900. MODEL YEARS UNKNOWN. *KB
sbw2019
Feb 1, 2013
060000 ENGINE AND ENGINE COOLING
sbw2019 Kysor Fan Clutch Rocking Runout Inspection
sbw0903
Jan 1, 2013
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
sbw0903 EPA10 Cummins ISX Air Intake Heat Shield Removal
12-043
Dec 24, 2012
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
12-043-DLR Helpline Available For Additional Support