Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 526 bulletins for WESTERN STAR
SS754-WST2023
Sep 29, 2023
210000 TRAILER HITCHES
Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
SS725-WST2023
Sep 29, 2023
010000 STEERING
Service Solution for Power Steering Cap Contact with Hood Strap
SF676
Sep 28, 2023
030000 SERVICE BRAKES, HYDRAULIC
Field Service Campaign for Braking System Parameter Update
MYCOM_09012023-2
Sep 1, 2023
200000 WHEELS
My Communication for Alcoa Wheel Finish Discontinuations - WST200
MYCOM_08182023-2
Aug 18, 2023
060000 ENGINE AND ENGINE COOLING
My Communications for DD13 Aluminum Oil Pan Shortage - WST199
SS750-WST2023
Aug 17, 2023
100000 POWER TRAIN
Service Solution for odometer disable in split shaft PTO mode
CALWS41-002B
Aug 16, 2023
100000 POWER TRAIN
Customer Advisory Letter for 47X Driveline Carrier Bearing Inspection and Replacement
SS745-WST2023
Jul 28, 2023
980000 UNKNOWN OR OTHER
Servic Solution for Virtual utility light switch in ICC5 panel is shown but does not work
CALWS41-002
Jul 18, 2023
100000 POWER TRAIN
Customer Advisory Letter for 47X Driveline Carrier Bearing Inspection and Replacement
SS742-WST2023V2
Jun 30, 2023
060000 ENGINE AND ENGINE COOLING
Service Solution for 47X and 49X PTO Grinding
SS734-WST2022V2
Jun 30, 2023
020000 SUSPENSION
Revised Service Solution for Thread spring pin suspention alignment and installation
SS749-WST2023V2
Jun 30, 2023
060000 ENGINE AND ENGINE COOLING
Service Solution for Cummins Engine Torque Dropout Complaint
SF656
Jun 5, 2023
020000 SUSPENSION
Field Service Campaign for Western Star 49X Airliner Rear Suspension
SS749-WST2023
May 30, 2023
060000 ENGINE AND ENGINE COOLING
Service Solution for 47X & 49X Cummins Engine Torque Dropout Complaint
SS741-WST2023
May 15, 2023
350000 EQUIPMENT
Service Solution for Delphi DEA737 1 Hour Power Down Feature.
SS746-WST2023
May 15, 2023
120000 EXTERIOR LIGHTING
Service Solution for Cab and End of Frame Lighting Doesn't Sync with Body Lighting.
SS740-WST2023
May 15, 2023
120000 EXTERIOR LIGHTING
Service Solution for 47X & 49X Turn Signal Fault Signal.
SS739-WST2023
May 15, 2023
120000 EXTERIOR LIGHTING
Service Solution for 47X & 49X Mirror Marker Lights go off When Turn or Hazard Lights are Turned on.
SS744-WST2023
May 15, 2023
110000 ELECTRICAL SYSTEM
Service Solution for Backup Lamp Switch Alternative Part Number
SS748-WST2023
May 15, 2023
120000 EXTERIOR LIGHTING
Service Solution for 47X & 49X Dim Trailer Lighting.
SS743-WST2023
May 15, 2023
100000 POWER TRAIN
Service Solution for 47X & 49X Vehicle Paver Mode Application.
SF642
May 10, 2023
060000 ENGINE AND ENGINE COOLING
Field Service Cmpaign for Western Star 49X Radiator RockGuard & Fan Shroud.