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Service bulletins for the 2011 Western Star 4700

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.

571 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
0101-152018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0101-15 SPN 4364 (ACM) (EPA10)
18SP6872018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 18SP687 DD15 16 EGR Actuator Replacement
0315-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. GHG14 - Intake Manifold Pressure Too Low
0314-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. GHG14 Intake Manifold Pressure Too Low
0303-172018-06-18. Service bulletin. ENGINE. (CPC)(EPA10-GHG14) and SPN 98 (CPC)(GHG17)
SF481-D2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SF481-DLR Western Star 4700 Exhaust Drain Holes
418-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ELECTRICAL SYSTEM. 418-13 SPN 2791-FMI 12 - GHG14
414-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 414-13 Removal and Installation of the GHG14 13 and 23 Gallon Diesel Exhaust Fluid Tank Header Unit
413-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 413-13 GHG14 13 and 23 Gallon Diesel Exhaust Fluid Tank
407-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 407-13 EGR Actuator Slow Learn
711-132018-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 711-13 SPN 100-FMI 4 - ALL YEARS
716-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 716-13 SPN 3226-FMI 13 - EPA10 - GHG14, SPN 3216-FMI 13 ? EPA10, SPN 3216-FMI 13 - GHG14
713-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 713-13 SPN 4334-FMI 7 - EPA10
717-132018-06-18. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT:MECHANICAL; EQUIPMENT ADAPTIVE/MOBILITY. 717-13 Oil Pan
0202-172018-06-18. Service bulletin. ENGINE. 0202-17 DD13, DD15, and DD16 Cylinder Head Assembly Removal and Installation
306-152018-06-18. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 306-15 SPN 3246 (ACM)(EPA10;GHG14)
309-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, OTHER:FUEL FILTER. 309-15 SPN 3251 (ACM)(EPA10)
301-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 301-15 SPN 3251 (ACM) (EPA10) and (ACM) (GHG14), 3936 (ACM)
305-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 305-15 EPA10 Diesel Oxidation Catalyst Inlet Pressure Sensor
14TS132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 14TS13Rev EPA10/GHG14 Diesel Exhaust Fluid (DEF) in Fuel System/Diesel Fuel in DEF System Contamination
524-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 524-14 FMI 0: Engine Speed High
513-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. 513-14 FMI 0: Diesel Particulate Filter Outlet Temperature - Very High
518-142018-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 518-14 FMI 1, 18: Regen Temperature- Out Of Range Low
516-142018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 516-14 FMI 3, 4: DEF pressure sensor circuit failed hig
506-142018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 506-14 506-14 Removal and Installation and Inspection of the Exhaust Gas Recirculation Valve Actuator Pull Rod

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