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Service bulletins for the 2013 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
207-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 207-13 Removal and Installation of the Camshaft Housing
sbw20192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. sbw2019 Kysor Fan Clutch Rocking Runout Inspection
13TS122018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 13TS12 HDEP Wastegate Solenoid Air Leaks
13TS102018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 13TS10 DD Platform Oil Coolant Module Plugs
13TS82018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 13TS8 GHG14 Throttle Codes SPN 91-FMI 7 and SPN 91-FMI 10
311-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 311-13 SPN 651-FMI 3 - EPA10 - GHG14
303-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 303-13 SPN 3242-FMI 4 -EPA10 - GHG14
305-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 305-13 GHG14 DD15 Asymmetrical Turbocharger Flanged Exhaust Manifold
802-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 802-13 FMI 18 Coolant Level Low
1113-122018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 1113-12 SPN 3226/FMI 20 - GHG14
137-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 137-13 SPN 2798-FMI 4 - EPA10 - GHG14
109-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 109-13 SPN 3250-FMI 31 (ACM2.1) GHG14
139-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 139-13 SPN 3251-FMI 0, 16, 20, 21 GHG14
108-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 108-13 SPN 3364-FMI 18 - GHG14
101-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 101-13 SPN 3563 FMI 21 - GHG14
132-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 132-13 SPN 3597-FMI 4 - EPA10
129-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 129-13 DD Platform GHG 14 SPN 3361 FMI 3, 4, 5 UPDATE
146-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 146-13 SPN 4335-FMI 1 EPA10
133-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 133-13 SPN 4375-FMI 4 and 5 - GHG14
112-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 112-13 SPN 4364-FMI 18 - GHG14
111-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 111-13 SPN 4374/FMI 0, 1, 3, 4 - GHG14
110-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 110-13 SPN 5435-FMI 7 - GHG14
103-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 103-13 SPN 520328-FMI 7 - GHG14
148-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 148-13 GHG14 DD15 Asymmetrical Turbocharger Exhaust Manifold
119-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 119-13 Exhaust Gas Recirculation System - Cleaning

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