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Service bulletin DD-12-TS-19

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 id10046659
Published by NHTSA2012-10-18
Manufacturer's numberDD-12-TS-19
Manufacturer's date2012-09-17
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

NHTSA's summary

DETROIT: THE EXPOSED SEAM IN WELD AREA CAUSE SEAL LEAKAGE IN MODEL 4 FRT THRU SHAFT SNORKEL AND REPAIR PROCEDURE HAS BEEN PROVIDED OR SEAL REPLACEMENT REQUIRED IF NO SEAM EXPOSURE. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Vehicles listed
DETROIT DIESEL DETROIT

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