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Service bulletins for the 2014 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.

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

By type

By component

Bulletins, newest first
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.
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.
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
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
0601-172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. SPN 3464 (MCM) (GHG14)
0604-172019-04-08. Service bulletin. POWER TRAIN. SPN 712 (CPC) (GHG17)
0602-172019-04-08. Service bulletin. UNKNOWN OR OTHER. Cylinder Liner - Testing of the Cylinder Liner Upper O-Ring
sbw00022019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Publications Ordering
0606-172019-04-01. Service bulletin. ENGINE. SPN 3226 (ACM) (GHG17)
0607-172019-04-01. Service bulletin. FUEL SYSTEM, DIESEL. SPN 96 (MCM) (GHG17)
0609-172019-04-01. Service bulletin. ENGINE. SPN 3226 (ACM) (GHG17)
0603-172019-04-01. Service bulletin. FUEL SYSTEM, DIESEL. Fuel System Integrity Check Routine - Two-Filter Fuel System
0608-172019-04-01. Service bulletin. FUEL SYSTEM, DIESEL. Diagnostic tests - Two Filter System - FSIC Leak Test
0601-172019-04-01. Service bulletin. EQUIPMENT; ENGINE. SPN 3464 (MCM) (GHG14)
0604-172019-04-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. SPN 712 (CPC) (GHG17)
0602-172019-04-01. Service bulletin. ENGINE. Cylinder Liner - Testing of the Cylinder Liner Upper O-Ring
DOC-10341712019-04-01. Service bulletin. SUSPENSION. SS 1034171 Airliner Rear Suspension Chassis Lean Troubleshooting
0606-172019-03-25. Service bulletin. EQUIPMENT; ENGINE. SPN 3226 (ACM) (GHG17)
0607-172019-03-25. Service bulletin. EQUIPMENT. SPN 96 (MCM) (GHG17)
0609-172019-03-25. Service bulletin. EQUIPMENT; ENGINE. SPN 3226 (ACM) (GHG17)

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