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Service bulletins for the 2012 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.

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

By type

By component

By topic

Bulletins, newest first
530-132018-06-25. Service bulletin. FUEL SYSTEM, GASOLINE. 530-13 Low Pressure Fuel Pump ? Two-Filter Fuel System
529-132018-06-25. Service bulletin. FUEL SYSTEM, GASOLINE. 529-13 Operation of the Fuel System - Two-Filter Fuel System
528-132018-06-25. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 528-13 SPN 3246-FMI 0 - EPA10 - GHG14
527-132018-06-25. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. 527-13 SPN 190-FMI 15,17 GHG14
525-132018-06-25. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 525-13 SPN 2791-FMI 7 ? ALL YEARS
520-132018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 520-13 Cylinder Block
518-132018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT; FUEL SYSTEM, DIESEL. 518-13 SPN 4334-FMI 4 - GHG14
13TS172018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. 13TS17 EPA10-GHG14 Diesel Exhaust Fluid (DEF) in Fuel System-Diesel Fuel in DEF System Contamination
13TS152018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 13TS15 EPA10 Diesel Oxidation Catalyst (DOC) Face Plugging And Code SPN 3251-FMI2 - DOC Inlet Pressure Sensor Not Plausible
13TS302018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. GHG14 DD Engine EGR System Fault Codes
13TS282018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. GHG14 472906S Turbocharger Compressor Inlet
13TS252018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Issues with PTO and Remote Throttle Combinations
13TS222018-06-25. Service bulletin. FUEL SYSTEM, DIESEL. Rev DD Platform Fuel Injector Cup Seal
13TS152018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 13TS15Rev EPA10 Diesel Oxidation Catalyst (DOC) Face Plugging And Code SPN 3251/FMI 2 - DOC Inlet Pressure Sensor Not Plausible
13M2-022018-06-25. Service bulletin. EQUIPMENT. 13m2- Equipment Owner Field Service Campaign - 13M2
13M22018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 13m2 -Final-23-SEP-2013 Field Service Campaign 13M2
15TS52018-06-25. Service bulletin. FUEL SYSTEM, DIESEL. 15TS5Rev GHG14 DD Platform DEF Pump Leaks and Code 4374 FMI 0 Under Pressurized DEF System
15TS42018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 15TS4 EPA07 DD15 Piston Kits
15TS22018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 15TS2 EPA07 and EPA10 DD Platform Engines With Low Oil Pressure Codes
15TS12018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 15TS1 GHG14 DD Platform Engines With Codes SPN: 1323 through SPN: 1328, FMI: 31, Idle Smoothness Control/Cylinder Misfire At Idle
102-152018-06-25. Service bulletin. FUEL SYSTEM, GASOLINE. 102-15 High Pressure Fuel Pump - Two-Filter System
0105-152018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 0105-15 SPN 102 (MCM) (GHG14)
0108-152018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 0108-15 SPN 1323 through 1328 (MCM) (GHG14)
0106-152018-06-25. Service bulletin. FUEL SYSTEM, DIESEL. 0106-15 SPN 3251 (ACM) (EPA10) and (GHG14)
0104-152018-06-25. Service bulletin. ENGINE AND ENGINE COOLING. 0104-15 SPN 3464/ FMI 16, 18 (MCM) (GHG14)

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