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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

Only bulletins with component: Labels and manuals are shown. Show all

Bulletins, newest first
1006-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1006-14 SPN 4374 (ACM) (GHG14)
1008-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1008-14 SPN 3510FMI 4,7, and 8 (CPC)(GHG14)
1010-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1010-14 SPN 2623 (CPC) (GHG14)
14CSA232017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA23 CSC Announces ?Tech Tips? ? DDCSN
14CSA212017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA21 Holiday Schedule for the Detroit Customer Support Center ?
14CSA202017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA20 EGR Valve Actuator Kit P/N E23539699
14-0392017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-039 New Detroit Standard Diagnostic Times
14-0382017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-038 Additional Detroit Standard Repair Times
916-142017-10-15. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 916-14 Fuel Cooler Leak Test Procedure - Two-Filter Fuel System
920-142017-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. 920-14 Additional Cleaning and Preparing
20-182017-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. 20-18 - Western Star 4800 and 4900 Radiator Mounting, Update?EPA10
SBW00042017-06-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SBW0004 WESTERN STAR COURTESY ENGINEERING POLICY
54-552016-10-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SBW5455 VIRTUAL TECHNICIAN RETROFIT
06 12-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0612-16 SPN 175 (MCM) (GHG17) AND SPN 175 (MCM); ( EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 11-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0611-16 SPN 110 (MCM) (GHG17) AND SPN 110 (MCM); (EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 10-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0610-16 SPN 111 (CPC) (GHG17) AND SPN 111 (CPC); (EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 09-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0609-16 SPN 174 (MCM) (GHG17), SPN 174 (MCM) (EPA07), SPN 174; (MCM) (EPA10), AND SPN 174 DIAGNOSTIC PROCEDURE
06 08-162016-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0608-16 SPN 715 (CPC) (EPA07;EPA10); SPN 715 (CPC) (GHG14); SPN 715 (CPC) (GHG17) DIAGNOSTIC PROCEDURE
06 05-162016-09-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0605-16 SPN 625 (CPC)(GHG17) AND SPN 625 (CPC) (EPA10;GHG14) DIAGNOSTIC PROCEDURE
06 01-162016-09-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 0601-16 SPN 103 (MCM) (GHG17) AND SPN 103 (MCM); (EPA07;EPA10;GHG14) DIAGNOSTIC PROCEDURE
SB-54-572014-05-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY. WESTERN STAR: TROUBLESHOOTING INFORMATION REGARDING POWERNET ASSESSMENT WORKSHEET GUIDE FOR STARTING ISSUES, ALTERNATOR, PATH, BATTERY AND CHARGING OF VEHICLES WITH SEPARATE CABLE VOLTAGE DROP CHECKS. MODEL CONSTELLATION, 4800, 5900, HERITAGE, 4900, 6900, 4700. *PE

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