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Service bulletin D19M2 GHG17

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 id10156357
Published by NHTSA2019-04-01
Manufacturer's numberD19M2 GHG17
Manufacturer's date2019-02-28
NHTSA componentENGINE

NHTSA's summary

Field Service Campaign D19M2 GHG17 Detroit? DD5? Fan Hub Bolt Torque Inspection

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 M22017
FREIGHTLINER M2 BUSINESS CLASS2018 to 2019

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

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SF5852019-08-05. Service bulletin. Receiver/Dryer Bracket and CAC Plumbing Interference Field Service Campaign
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18TS4Rev DD2019-04-01. Service bulletin. 18TS4Rev DD Heavy Duty Platform Accessory Drive Belt
GHG172019-04-01. Service bulletin. Letter to customer on Coverage Extension GHG17 After Treatment
15TS32018-03-05. Service bulletin. 15TS3 Detroit? Coolant Change From Nitrite Organic Acid Technology
15TS102018-03-05. Service bulletin. 15TS10Rev DD Engine Platform Coolant Filter