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Service bulletins for the 2012 Freightliner 114SD

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
502-152018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 502-15 Exhaust Gas Recirculation Actuator Lever
sb20832018-03-05. Service bulletin. ENGINE. sb2083 FluidXchange Tool and Fittings
sb20842018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. sb2084 OAT Coolant Replaces NOAT Coolant in Detroit Engines
304-152018-03-05. Service bulletin. ENGINE. 304-15 Diagnostic Tests
303-152018-03-05. Service bulletin. FUEL SYSTEM, OTHER; ENGINE. 303-15 Contaminated Fluids
308-152018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. 308-15 Symptom Diagnostics - Oil Present at the Turbocharger Compressor
323-152018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. 323-15 Symptom Diagnostics ? Noise
306-152018-03-05. Service bulletin. ENGINE; FUEL SYSTEM, DIESEL. 306-15 SPN 3246 (ACM)(EPA10;GHG14)
301-152018-03-05. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 301-15 SPN 3251 (ACM) (EPA10) and (ACM) (GHG14), 3936 (ACM)
302-152018-03-05. Service bulletin. ENGINE; EQUIPMENT. 302-15 Crankshaft Oil Seals
14TL22018-02-12. Service bulletin. ENGINE. 14TL2 DD Platform Engine Stand Adapter W060589023100
713-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 713-14 Symptom Diagnostics - Combustion Gas in Coolant
715-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. 715-14 Symptom Diagnostics - Coolant Los
714-142018-02-12. Service bulletin. ENGINE. 714-14 Symptom Diagnostics - Low Engine Compression
712-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. 712-14 Engine Coolant Temperature
20-732018-02-12. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. 20-73 - CANCELED: Cascadia Radiator Update?EPA10 with DDC Engines
20-752018-02-12. Service bulletin. ENGINE. 20-75 - CANCELED: Cascadia Radiator Update?EPA10 with Cummins ISX Engines
16TS82018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. 16TS8 DD13 Cylinder Head and Cylinder Head Gasket Change
0304-16 SPN 27912018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. 0304-16 SPN 2791 (MCM) ( GHG14) and SPN 2791 (MCM) ( GHG17)
0303-162018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. Hydrocarbon Doser Coolant Lines
914-122018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. 914-12 GHG14 Two-Box Diesel Oxidation Catalyst.pdf
903-122018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. 903-12 Installation of the Intake Throttle Valve and Adaptor.pdf
15-028A2018-01-05. Service bulletin. ENGINE AND ENGINE COOLING. 15-028 New Detroit Coolant Line SRTs
15-0282018-01-05. Service bulletin. ENGINE AND ENGINE COOLING. _NewDetroitCoolantLineSRTs
0228-142018-01-05. Service bulletin. ENGINE. 0228-14 Engine Oil Leaks - Oil Dye Method

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