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Service bulletins for the 2014 Western Star 4900

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.

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

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
GHG14 18R32018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT. GHG14_18R3_bulletin_07-MAY-2018a Emission Recall D18R3
0503-182018-12-10. Service bulletin. EQUIPMENT; ENGINE. 0503-18 Relative Cylinder Compression Test
ICI18-016 FL7562018-12-10. Service bulletin. EQUIPMENT. ICI18-016 FL756 ? Automotive Connector Terminal Removal Tool
DOC-10334622018-10-29. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
0503-182018-10-29. Service bulletin. ENGINE; EQUIPMENT. 0503-18 Relative Cylinder Compression Test
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.
sbw83292018-10-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; STRUCTURE:FRAME AND MEMBERS. In some operating conditions, water may leak into the cab onto the passenger floor through the HVAC fresh air intake on the frontwall on 47,00,4900, and 5700 models.
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."
ICI18-016 FL7562018-10-29. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. The automatic connector terminal removal tool is part of tool kit DDE KI0CHA17001.
DOC-10333332018-10-29. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. SS 1033333 - WST ECC Replacement Jumper Harness Installation.
0312-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 0312-18 Installation Output Shaft Seal
0311-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 0311-18 Installation of the Main Shaft Speed Sensor
ICI18-0142018-10-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. ICI18-014 Owner Notice ? Kidde Fire Extinguisher Recall
531-132018-06-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. 531-13 GHG14 DD15 Asymmetrical Turbocharger
528-132018-06-25. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 528-13 SPN 3246-FMI 0 - EPA10 - GHG14
527-132018-06-25. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. 527-13 SPN 190-FMI 15,17 GHG14
518-132018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT; FUEL SYSTEM, DIESEL. 518-13 SPN 4334-FMI 4 - GHG14
0107-152018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0107-15 Enhanced Steam Clean
sbw00012018-06-18. Service bulletin. EQUIPMENT. sbw0001Validity List Western Star
717-132018-06-18. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT:MECHANICAL; EQUIPMENT ADAPTIVE/MOBILITY. 717-13 Oil Pan
sbw54552018-06-18. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
324-152018-06-18. Service bulletin. EQUIPMENT. 324-15 External Component Repair
326-152018-06-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; EQUIPMENT:ELECTRICAL. 326-15 Main Shaft Speed Sensor
304-152018-06-18. Service bulletin. EQUIPMENT; ENGINE. 304-15 Diagnostic Tests
325-152018-06-18. Service bulletin. EQUIPMENT. 325-15 Symptom Diagnosis - ATD Checklist

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