WenmarOpen by Wenmar Pro

Service campaign D24M3-DLR LTR

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 campaign
NHTSA id11000963
Published by NHTSA2024-06-05
Manufacturer's numberD24M3-DLR LTR
Manufacturer's date2024-05-10
Campaign id or software versionD24M3
NHTSA componentENGINE

NHTSA's summary

Field Service Campaign for Drilled Exhaust Rocker Arm Installation

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 CASCADIA2021, 2022, 2023
WESTERN STAR 49X2022 to 2023

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

Recalls for the same vehicles and component
20224132022-07-29. Engine
22V5540002022-07-29. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
21V7150002021-09-15. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
21V0730002021-02-12. 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
CXA 03_26_Surge Tank2026-04-02. Other. CX Advocate for discolored coolant surge tanks (24CSA-20)
FleetCom_Heater Core2026-01-08. Other. Fleet Communications for Heater Core Plugging
TSB54-377-FTL2026-01-07. Service bulletin. Technical Service Bulletin Low Coolant Sensor
FleetCom_SS 3163-FTL2025-12-06. Other. Fleet Communications for Power Steering Reservoir Fill Cap Venting
FleetCom_Low Coolant2025-12-05. Other. Fleet Communications for Low Coolant Sensor
CXA 10_25_Discolored Cool2025-11-06. Other. CX Advocate for Plastic Opaque Surge Tank Staining
CXA_10_25_Low Coolant2025-11-05. Other. CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings
CXA_10_25_Conmet Oil Pan2025-11-05. Other. CX Advocate for ConMet Oil Pan Insert Additional Issues
CXA_9_25_Tech Questions2025-10-03. Other. CX Advocate for technical questions/issues raised
CXA_8_25_Tech Questions2025-09-02. Other. CX Advocate for technical questions/issues raised