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Service bulletin 14-TS-8

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 id10055593
Published by NHTSA2014-06-18
Manufacturer's number14-TS-8
Manufacturer's date2014-04-14
NHTSA componentENGINE

NHTSA's summary

DETROIT DIESEL: DURING INSPECTION, THE ENGINE BRAKE ROCKERS HAVE BEEN INCORRECTLY REPLACED. BOTH DRILLED ADJUSTING SCREW FOOT AND NON-DRILLED SCREW FOOT ARE ACCEPTABLE AND DO NOT NEED TO BE REPLACED. UPDATED 06/18/2014 *JS

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

Vehicles listed
DETROIT DIESEL DETROIT

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