WenmarOpen by Wenmar Pro

Service bulletins for the 2008 Western Star 6900

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.

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

By type

By component

Bulletins, newest first
1009-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1009-14 SPN 5016 (ACM) (GHG14)
1007-142017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1007-14 SPN 5016/FMI 3, 4 (ACM) (EPA10)
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)
1005-142017-11-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 1005-14 Oil Coolant Module
14CSA232017-11-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14CSA23 CSC Announces ?Tech Tips? ? DDCSN
14CSA222017-11-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. 14CSA22 DTNA Chassis Wiring Diagrams
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
18SP684REV42017-11-17. Service bulletin. EQUIPMENT. 18SP684Rev4 18SP684Rev4 ? EPA07 and EPA10 DD Platform EGR Delta Pressure Sensor Update
18SP705REV52017-11-17. Service bulletin. EQUIPMENT. 18SP705Rev5 18SP705Rev5 ? DD Platform Delta Pressure Sensor
14-0402017-11-17. Service bulletin. ENGINE. 14-040 Additional Detroit CLOs for the Heavy Duty Engine Platform
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
sb20802017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2080 Australian CST M1400 Isolated Radiator Retrofit
SBW00042017-06-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SBW0004 WESTERN STAR COURTESY ENGINEERING POLICY
1021-162017-06-01. Service bulletin. ENGINE AND ENGINE COOLING. 1021-16 SPN 110 (MCM)(EPA07EPA07;GHG14), SPN 110 (CPC)(GHG14)
1018-162017-06-01. Service bulletin. ENGINE. 1018-16 SYMPTOM DIAGNOSTICS - NOISE
1017-162017-06-01. Service bulletin. ENGINE. 1017-16 ENGINE MODEL AND SERIAL NUMBER DESIGNATION
16TL202017-05-31. Service bulletin. ENGINE. 16TL20 HEAVY DUTY ENGINE VALVE STEM SEAL INSTALLING DRIFT AND SLEEVE
09 09-162016-10-20. Service bulletin. ENGINE. 0909-16 EXCESSIVE OIL CONSUMPTION
09 06-162016-10-20. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 0906-16 LOW PRESSURE FUEL PUMP
09 02-162016-10-20. Service bulletin. ENGINE. 0902-16 SYMPTOM DIAGNOSTICS - BELT COMING OFF, SHREDDING OR MISALIGNMENT
08 09-162016-10-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0809-16 SYMPTOM DIAGNOSTICS : NOISY 1- BOX™ AFTERTREATMENT

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