WenmarOpen by Wenmar Pro

Service bulletins for the 2016 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.

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

By type

By component

Bulletins, newest first
1105-172018-06-11. Service bulletin. FUEL SYSTEM, DIESEL. EPA10, GHG14 and GHG17 Diesel Particulate Filters
1110-172018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Exhaust and Exhaust Gas Recirculation
49-0192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Diesel Exhaust Fluid (DEF) Pressure Line Disconnected at the Doser Connection
sbw54012018-06-11. Service bulletin. EXTERIOR LIGHTING. sbw5401 Turn Signal and Brake Override Circuit
sbw98012018-06-11. Service bulletin. STRUCTURE. sbw9801 Paint Finish Standards
sbw83252018-06-11. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. sbw8325 Side Window Defroster and Cooling Improvement Retrofit
DOC-10333542018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. SS 1033354 Remanufactured Engine Blocks with Closed Fuel Cooler Return Ports DD Engines
DOC-10333332018-06-11. Service bulletin. ELECTRICAL SYSTEM. SS 1033333 - WST ECC Replacement Jumper Harness Installation.
0312-182018-06-11. Service bulletin. POWER TRAIN. 0312-18 Installation Output Shaft Seal
0311-182018-06-11. Service bulletin. POWER TRAIN. 0311-18 Installation of the Main Shaft Speed Sensor
aeo18M12018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. aeo18M1 GHG14 Heavy Duty Engine Platform Vocational Application Programming
MY18M12018-06-11. Service bulletin. ELECTRICAL SYSTEM. MY18M1a_05-MAR-2018_Vocational
FL7512018-06-11. Service bulletin. STEERING. FL751 Dana Front Steer Axles
D17M2-REV2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. D17M2-REV GHG17 Heavy Duty Engine Platform Front Engine Lifter Bracket
D17M22018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. D17M2 17M2-REV GHG17 Heavy Duty Engine Platform Front Engine Lifter Bracket
D17M12018-06-11. Service bulletin. FUEL SYSTEM, DIESEL. D17M1 17M1 GHG17 DD15 Model Year 2016 Diesel Particulate Filter (DPF)
17TL8Rev12018-06-11. Service bulletin. ELECTRICAL SYSTEM. Vehicle Interface Module
17TL7Rev2018-06-11. Service bulletin. ENGINE. Heavy Duty Engine Wastegate Repair Kit DKI470E16019
17TS112018-06-11. Service bulletin. POWER TRAIN. Detroit? DT12? Transmission Proper Moving Procedure
17TS102018-06-11. Service bulletin. SUSPENSION. Detroit? DT12? Split Rod Bushing Repair
0406-172018-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SPN 521221 (TCM)
0405-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. SPN 521222 (TCM)
0408-17 SPN 52422018-06-11. Service bulletin. ELECTRICAL SYSTEM. FMI 2- Automatic Gear Selection - Incompatible or missing dataset
0401-172018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. SPN 4765 FMI 0 - Exhaust Temperature Out Of Range High
0402-172018-06-11. Service bulletin. UNKNOWN OR OTHER. SPN 1322 (MCM) (GHG17)

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