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Service bulletin D18M3-REV1 Heavy

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10151528
Published by NHTSA2018-12-10
Manufacturer's numberD18M3-REV1 Heavy
Manufacturer's date2018-08-10
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Field Service Campaign D18M3-REV1 Heavy Duty Engine Platform Oil Suction Manifold

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
FREIGHTLINER 122SD2016
FREIGHTLINER CASCADIA2015
WESTERN STAR 48002017
WESTERN STAR 49002018
WESTERN STAR 57002019
WESTERN STAR 69002019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
18V5810002018-08-30. ENGINE AND ENGINE COOLING:ENGINE:DIESEL
15V8160002015-12-07. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
14V6800002014-10-29. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
14V0800002014-02-21. ENGINE AND ENGINE COOLING:ENGINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
FleetCom_SS 3163-FTL2025-12-06. Other. Fleet Communications for Power Steering Reservoir Fill Cap Venting
CXA 3_25_NOx2025-04-02. Other. CX Advocate for NOx conversion low faults
CXA 2_25_Turbo Oil Drain2025-03-04. Other. CX Advocate for turbo oil drain cracking
CXA 2_25_NOx2025-03-04. Other. CX Advocate for NOx conversion low faults
CXA 1_16_Turbo Oil Drain2025-01-29. Other. CX Advocate for turbo oil drain cracking
CXA 1_16_NOx2025-01-29. Other. CX Advocate for NOx conversion low faults
CXA 1_16_GATS2.42025-01-29. Other. CX Advocate for GATS2.4 being expanding to DD15
CXA 1_16_DD13 Altitude2025-01-29. Other. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
CXA 1_16_CARB Truck Chec2025-01-29. Other. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
ICI24-0512025-01-03. Other. Important Campaign Information letter for DDC D24R4 - Campaign Reactivated