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Service bulletins for the 2007 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.

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

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
20TS-012020-01-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Technical Service Letter for DDC Series 60 engines concerning Series 60 Cylinder Head Resurfacing/Finish. Detroit Diesel does not recommend third party resurfacing of Series 60 cylinder heads (outside of Detroit and Detroit Reman).
17TS92019-10-25. Service bulletin. ENGINE AND ENGINE COOLING. Technical Service Letter communicating that information on DD Heavy Duty Platform Belt and Belt Tensioner can be found on TechLit.
19TL-152019-09-28. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Tool Letter for ICC5 Programming Cable
0606-172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SPN 3226 (ACM) (GHG17)
0609-172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SPN 3226 (ACM) (GHG17)
0601-172019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. SPN 3464 (MCM) (GHG14)
0606-172019-04-01. Service bulletin. ENGINE. SPN 3226 (ACM) (GHG17)
0609-172019-04-01. Service bulletin. ENGINE. SPN 3226 (ACM) (GHG17)
0601-172019-04-01. Service bulletin. EQUIPMENT; ENGINE. SPN 3464 (MCM) (GHG14)
0602-172019-04-01. Service bulletin. ENGINE. Cylinder Liner - Testing of the Cylinder Liner Upper O-Ring
0606-172019-03-25. Service bulletin. EQUIPMENT; ENGINE. SPN 3226 (ACM) (GHG17)
0609-172019-03-25. Service bulletin. EQUIPMENT; ENGINE. SPN 3226 (ACM) (GHG17)
0602-172019-03-25. Service bulletin. ENGINE. Cylinder Liner - Testing of the Cylinder Liner Upper O-Ring
17-0232019-02-19. Service bulletin. ENGINE. New Detroit Diesel Cylinder Liner Upper O-Ring Leak Test Standard Repair Time
0903-172019-02-19. Service bulletin. ENGINE. Engine Manufacturer Diagnostics
Aftertreamtent F2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Service Information Bulletin for Aftertreamtent Failure Guide
0505-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. 0505-18 SPN 3563 HDEP Inlet manifold pressure Too Low
0505-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0505-18 SPN 3563 HDEP Inlet manifold pressure Too Low
0202-172018-06-18. Service bulletin. ENGINE. 0202-17 DD13, DD15, and DD16 Cylinder Head Assembly Removal and Installation
sbw20192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. sbw2019 Kysor Fan Clutch Rocking Runout Inspection
15TS14 GHG142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 15TS14 GHG14 DD Engine Cylinder Liner Seal Replacement
708-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 708-15 High Pressure Fuel Pump Camshaft Oil Seal - Two-Filter System
711-152018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 711-15 High Pressure Fuel Pump Camshaft Oil Seal - Three-Filter System
0120-172018-04-16. Service bulletin. ENGINE. 0120-17 Diagnostic Test - Engine Oil Leaks - Oil Developer Method
0114-172018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 0114-17 SPN 2791 (MCM) (EPA07;EPA10)

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