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Service bulletins for the 2014 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.

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

By type

By component

Bulletins, newest first
207-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 207-13 Removal and Installation of the Camshaft Housing
18SP6932018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP693 EPA07-10 Fuel Rail Clamp Service Kit (P-N A4720780335) for DD Platform-Three-Filter Fuel System Engines
sbw54552018-06-11. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
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
13TS72018-06-11. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. 13TS7 GHG14 CPC4 Vehicle Speed Sensor Code SPN 84-FMI 6
310-132018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE. 310-13 Draining the Fuel System Using J-48710 Prior to Repairs
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
301-132018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 301-13 SPN 5018- FMI 18 -GHG14
305-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 305-13 GHG14 DD15 Asymmetrical Turbocharger Flanged Exhaust Manifold
ICI12-0242018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI12-024-DLR SF453 - Termination Date Extended
sbw31092018-06-11. Service bulletin. EQUIPMENT. sbw3109 Huck-Spin 2 Changeover
13TL22018-06-11. Service bulletin. ELECTRICAL SYSTEM. 13TL2 GHG14 Test Electronic Control Units (ECUs).
143-132018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE. 143-13 Low Pressure Fuel System - Measuring Fuel Pressure Using Fuel System Integrity Check, Two-Filter Fuel System
102-132018-06-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. 102-13 SPN 84-FMI 13, 19, 21 (MCM) EPA10-GHG14
107-132018-06-11. Service bulletin. ELECTRICAL SYSTEM. 107-13 SPN 84-FMI 7 - GHG14
106-132018-06-11. Service bulletin. POWER TRAIN. 106-13 SPN 100-FMI 10 - GHG14
105-132018-06-11. Service bulletin. POWER TRAIN. 105-13 SPN 625-FMI 13 - GHG14
135-132018-06-11. Service bulletin. POWER TRAIN. 135-13 SPN 1243-FMI 14 - GHG14
104-132018-06-11. Service bulletin. POWER TRAIN. 104-13 SPN 1592-FMI 13 and 19 - 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

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