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Service bulletins for the 2018 Western Star 4800

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

148 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
18-029 Auto Mete2018-12-10. Service bulletin. EQUIPMENT. Important Warranty Information on AutoMeter BCT-460DTNA Powernet Assessment Tool: Warranty Requirement and Claim Filing
0805-18 SPN 52102018-12-10. Service bulletin. EQUIPMENT. Service Information Bulletin
0804-18 SPN 14832018-12-10. Service bulletin. EQUIPMENT. Service Information Bulletin
0803-18 SPN 30312018-12-10. Service bulletin. EQUIPMENT. Service Information Bulletin
DOC-10336992018-12-10. Service bulletin. POWER TRAIN. TS 1033699: DT12 Transmission Driver Interview: Shifting Complaint Questionnaire
DOC-10337682018-12-10. Service bulletin. SERVICE BRAKES. TS 1033768: Western Star Front Brake Squeal - Burnishing Procedure
sbw00142018-12-10. Service bulletin. EQUIPMENT. Operating Hours for the Customer Assistance Center
DOC-10334622018-12-10. Service bulletin. VISIBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
wp000022018-12-10. Service bulletin. EQUIPMENT:OTHER:LABELS. wp00002 Replacing Gross Vehicle Weight Rating (GVWR) Certification Labels
sbw310132018-12-10. Service bulletin. EQUIPMENT. sbw31013 Fifth Wheel Outboard Angle Mount Fastener Change
DOC-10334622018-10-29. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
DOC-10334032018-10-29. Service bulletin. VISIBILITY. SS 1033403 - WST Wiper Motor not Parking Issues
sbw310132018-10-29. Service bulletin. EQUIPMENT; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY. With the start of production on March 6, 2018, the fasteners used to attach the slide- and plate-mount style fifth wheels to the outboard angles changed to M16 metric bolts, nuts, and washers.
sbw00052018-10-29. Service bulletin. EQUIPMENT:OTHER:LABELS. If a GVWR certification label is lost or damaged, Freightliner will supply a duplicate label. Log on to DTNAConnect.com and under "DTNAConnect Resources", select the "Tool and Services" plus sign. Select "Request for Certification Labl or OWI." Fillout the form, then select "Review."
DOC-10333332018-10-29. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. SS 1033333 - WST ECC Replacement Jumper Harness Installation.
sbw35102018-06-25. Service bulletin. SUSPENSION. sbw3510 Axle Alignment Specifications
sbw20182018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sbw2018 Western Star 4800 and 4900 Radiator Mounting
sbw00012018-06-18. Service bulletin. EQUIPMENT. sbw0001Validity List Western Star
sbw54302018-06-18. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. sbw5430 Disconnecting or Connecting Daytime Running Lights
sbw49102018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. sbw4910 Gentech DEF Coolant-Flow Solenoid, Testing and Replacement
fsbw420102018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. fsbw42010 Inspection d'absence de fuites d'air par les transporteurs concessionnaires
fsbw420092018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. fsbw42009 Diagnostic de fuite d'air
98-12018-06-11. Service bulletin. STRUCTURE. 98-1 - Paint Finish Standards

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.