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Service bulletin 23TS-01

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 id10233392
Published by NHTSA2023-04-07
Manufacturer's number23TS-01
Manufacturer's date2023-03-03
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Detroit Technical Service Letter for DD13 Gen 5 Oil Pan Drain Plugs Leaking

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
DETROIT DIESEL DETROIT DIESEL

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