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Service bulletins for the 2018 Western Star 6900

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.

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

By type

By component

Bulletins, newest first
19TL-92019-08-08. Service bulletin. WHEELS; SUSPENSION; EQUIPMENT. DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repeatable measurements. Axis4000 is a sophisticated, user-friendly system that utilizes computer based camera-radio technology and references the center line of the frame for measuring and providing alignment results to DTNA specifications.
0611-192019-08-08. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Service Information Bulletin was released, to add new procedures to address diagnostics near the high pressure pump
18SP729Rev2019-08-08. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
18SP728Rev2019-08-08. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
18SP727Rev2019-08-08. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
19-008WI2019-08-08. Service bulletin. EQUIPMENT. Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.
DOC-10344522019-08-08. Service bulletin. EQUIPMENT. Training Solution created by DTNA to provide guidance to customers when searching for service information for components and systems not owned by Daimler Trucks North America (DTNA).
19-009WI2019-08-08. Service bulletin. STRUCTURE. Warranty Information Letter - Expanded guidelines for paint-related claims sent out to Freightliner, Western star, Thomas Built Bus, Export and Direct warranty customers
sb543132019-08-06. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin provided to customers regarding installation of a new MCM 21-pin jumper harness.
sbw00152019-04-08. Service bulletin. SUSPENSION. Service Bulletin Vibration and Harsh Ride Troubleshooting
wp54018 EPA102019-04-08. Service bulletin. ELECTRICAL SYSTEM:WIRING. Technical Bulletin wp54018 EPA10 Wiring Harness Ordering
0701-172019-04-08. Service bulletin. POWER TRAIN. SPN 168 (CPC3) (GHG17)
sbw540652019-04-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
0701-172019-04-08. Service bulletin. ELECTRICAL SYSTEM. SPN 168 (CPC3) (GHG17)
sbw540652019-04-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
0606-172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SPN 3226 (ACM) (GHG17)
0607-172019-04-08. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. SPN 96 (MCM) (GHG17)
0609-172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SPN 3226 (ACM) (GHG17)
0603-172019-04-08. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel System Integrity Check Routine - Two-Filter Fuel System
0608-172019-04-08. Service bulletin. FUEL/PROPULSION SYSTEM. Diagnostic tests - Two Filter System - FSIC Leak Test
0604-172019-04-08. Service bulletin. POWER TRAIN. SPN 712 (CPC) (GHG17)
sbw00022019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Publications Ordering
wp54018 EPA102019-04-01. Service bulletin. ELECTRICAL SYSTEM:WIRING. Technical Bulletin wp54018 EPA10 Wiring Harness Ordering
0701-172019-04-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SPN 168 (CPC3) (GHG17)
sbw540652019-04-01. Service bulletin. ENGINE. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge

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