Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 526 bulletins for WESTERN STAR
ICI24-015
Apr 30, 2024
030000 SERVICE BRAKES, HYDRAULIC
Important Campaign Information letter for SF676 - Revised Bulletin & Population
SF676REV2
Apr 30, 2024
030000 SERVICE BRAKES, HYDRAULIC
Revised Field Service Campaign for Braking System Parameter Update
TSB35-014-WST
Mar 19, 2024
100000 POWER TRAIN
Revised Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication. Description of Revisions: This bulletin replaces the version dated January 2017. The title of the bulletin and oil specification has been updated. Pri
SF688
Mar 12, 2024
180000 VEHICLE SPEED CONTROL
Field Service Campaign for Cummins Cruise Control Inhibit
ICI24-012
Mar 8, 2024
030000 SERVICE BRAKES, HYDRAULIC
Important Campaign Information letter for SF676 - Bulletin Revision
SF676REV
Mar 8, 2024
030000 SERVICE BRAKES, HYDRAULIC
Revised Field Service Campaign for Braking System Parameter Update. REVISION: MBT Specific Parameter part number and description in step 19.4 has been removed and Figure 17 has been updated.
TSB30-001-WST
Feb 23, 2024
060000 ENGINE AND ENGINE COOLING
Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
SS762-WST
Feb 22, 2024
110000 ELECTRICAL SYSTEM
Service Solution for X-Series Western Star Fault Code 232/524000/19 - ECU CPC data error
TSB35-023-WST
Feb 16, 2024
100000 POWER TRAIN
Technical Service Bulletin for New Final Drive Over Heat Diagnostic
SS761-WST
Feb 6, 2024
100000 POWER TRAIN
Service Solution for 47X and 49X - "Transmission Service Soon" notification screen at engine start
SS755-WST
Jan 31, 2024
180000 VEHICLE SPEED CONTROL
Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTOs
CALWS41-003
Jan 18, 2024
100000 POWER TRAIN
Customer Advisory Letter for 47X Driveline Fastener Torque Inspection
TSB00-004-WST
Jan 17, 2024
980000 UNKNOWN OR OTHER
Revised Technical Service Bulletin for Western Star Technical Modification Policy. Description of Revisions: This bulletin replaces the version dated 12/12/2022. The fee schedule for common requests has been updated.
MYCOM_01172024-2
Jan 17, 2024
200000 WHEELS
My Communications for Michelin XDN2 11R22.5 Tire Consolidation (WST201)
SS759-WST
Nov 30, 2023
120000 EXTERIOR LIGHTING
Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering
SS750-WST
Nov 30, 2023
100000 POWER TRAIN
Revised Service Solution for Odometer Disable in Split Shaft PTO Mode. REVISION: Disclaimer added.
SS760-WST
Nov 28, 2023
110000 ELECTRICAL SYSTEM
Service Solution for 47X & 49X Detroit Engines with TEM Interlock Speed Control
SS758-WST
Nov 27, 2023
110000 ELECTRICAL SYSTEM
Service Solution for 47X & 49X 0013 Engine and Split Shaft PTO RPM
SF675_V2
Nov 14, 2023
120000 EXTERIOR LIGHTING
Revised Field Service Campaign for Western Star Snow Plow Light Harness
ICI23-046
Nov 14, 2023
120000 EXTERIOR LIGHTING
Important Campaign Information Letter for SF675 - Revised Work Instructions. This letter is to inform you that Table 3, Step 22 (page 61) has been updated, along with the Notes throughout the sub-steps of Step 22.
SF675
Oct 26, 2023
120000 EXTERIOR LIGHTING
Field Service Campaign for Western Star Snow Plow Light Harness
CALWS42-006
Oct 19, 2023
030000 SERVICE BRAKES, HYDRAULIC
Customer Advisory Letter for 6-Inch Slack Adjusters Causing the Brakes to Over-Adjust and Drag
SS757
Oct 12, 2023
100000 POWER TRAIN
Service Solution for 47X & 49X Shifter Interference with Arm Rest
SS755-WST2023
Sep 29, 2023
100000 POWER TRAIN
Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTOs