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Service bulletins for the 2019 Western Star 5700

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.

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

By type

By component

Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
0107-19 GHG172019-08-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ENGINE AND ENGINE COOLING. Service Bulletin to testing of EGR Cooler Water Manifold Assembly in DD13 engines.
GHG172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Letter to customer on Coverage Extension GHG17 After Treatment
GHG172019-04-01. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Letter to customer on Coverage Extension GHG17 After Treatment
DOC-10333152018-12-10. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SS 1033315 - WST 5700 Exhaust Pipe Installation Bracket Improvements
MY18M42018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. MY18M4_Bulletin_02-MAY-2018 Field Service Campaign D18M4
0508-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0508-18 Aftertreatment
0501-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0501-18 Aftertreatment Control Module (ACM)
DOC-10333152018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. SS 1033315 - WST 5700 Exhaust Pipe Installation Bracket Improvements
0404-182018-10-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0404-18 GHG17 DD8 - Aftertreatment Systems - Diesel Particulate Filter End Cap
0514-162018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Cleaning of the Exhaust Gas Recirculation Venturi Pipe Delta P Sensor Ports

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