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Service bulletin DD-15-TS-6

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 id10057383
Published by NHTSA2015-05-22
Manufacturer's numberDD-15-TS-6
Manufacturer's date2015-02-04
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; ENGINE

NHTSA's summary

DETROIT: AN OIL LEAK FAILURE AT WEEP HOLE LOCATION (3), ON HIGH PRESSURE FUEL PUMP (HPFP) CAMSHAFT OIL SEAL, AND OIL SEAL NEEDS REPLACING. *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

Engine, Fuel system, Fuel pump

Vehicles listed
DETROIT DIESEL DD13
DETROIT DIESEL DD15
DETROIT DIESEL DD16

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