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Service bulletins for the 2018 Freightliner 108SD

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.

360 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
ICI20-0022020-01-21. Service bulletin. ENGINE AND ENGINE COOLING. Important Campaign Information Letter announcing that revisions to DDC bulletins D19M5 and D19R2 are available.
D19R2REV12020-01-21. Service bulletin. ENGINE AND ENGINE COOLING. DDC Emission Recall for GHG17 MDEG Platform DD8 – Software Reprogramming For California Inspection and Maintenance. Adding clarification to the Corrective Procedure.
SF5882020-01-17. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT. Field Service Campaign for Medium Duty DD8 Engine Updates. Certain vehicles with Detroit Diesel MDEG DD8 engines need updates to the air compressor suction line, powertrain control module, oil fill cap, 10-pin connector wiring harness, and fuel filter/engine labels.
WI19-0222020-01-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment Systems
SB20-0872019-12-20. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin for M2 Surge Tank Shunt Line Clamp Replacement. On some vehicles, the shunt line coolant hose is disconnecting from the surge tank and replacing the constant tension clamp with a Breeze® brand clamp resolves the issue.
09-0372019-09-27. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin for Air Cleaner Modifications for Dusty Environments
19CSA-132019-09-09. Service bulletin. ENGINE AND ENGINE COOLING. Service Systems Development provided document to service locations on price list reflects current charges to engine horsepower ratings for HDEP and MDEG engine platforms.
0609-192019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. Service Information Bulletin for Symptom Diagnostics - Fluid in the Aftertreatment - Diesel Fuel Contamination.
0308-19 PTO2019-08-08. Service bulletin. ENGINE AND ENGINE COOLING. Service Information Bulletin regarding PTO Dosing. This feature enables Active Regeneration of the DPFs while in PTO mode.
0305-19 SPN 20002019-08-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC Heartbeat Message is no Longer Arriving)
0607-192019-08-08. Service bulletin. ENGINE AND ENGINE COOLING. Service Information Bulletin to updated the Fuel Injector Harness sections and relocated to Engine Electrical section.
SPN 3563 / FMI 22019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed.
19TS-62019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging.
0419-19SPN5210302019-08-08. Service bulletin. ENGINE AND ENGINE COOLING. Updates to troubleshooting guides in Diagnostic Link with newest version
1212-182019-03-18. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Service Information Bulletin- Exhaust Gas Recirculation Crossover Pipe
1208-182019-03-18. Service bulletin. ENGINE; EQUIPMENT. Service Information Bulletin- Oil Present at the Turbocharger Compressor Housing
0904-172019-02-19. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Aftertreatment Systems - Diesel Exhaust Fluid Pump Module and Components
1001-18 Engine R2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING. Engine Replacement Procedures
Emission Recall2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Emission Recall D18R5 GHG17 DD Platform Model Years 2016-2018 Software Reprogramming For California Onboard Diagnostics
Aftertreamtent F2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Service Information Bulletin for Aftertreamtent Failure Guide
sb49322018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. sb4932 DEF Gauge Reading Incorrectly
sb542982018-06-18. Service bulletin. ENGINE; EQUIPMENT. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
sb49302018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. sb4930 Gentech DEF Coolant-Flow Solenoid, Testing and Replacement
sb20792018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. sb2079 20-79 - Premature Belt Wear on Cummins ISCISL with FEPTO
sb542982018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM; ENGINE. sb54298 GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure GaugeB

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