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Service bulletin 1114995

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 id46830
Published by NHTSA1996-04-25
Manufacturer's number1114995
Manufacturer's date1995-08-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

TO ENHANCE ENGINE PERFORMANCE, RELIABILITY AND DURABILITY, DETROIT DIESEL HAS REDESIGNED AND RELEASED FOR PRODUCTION AND SERVICE IMPROVEMENTS TO THE SEPARATE CIRCUIT CHARGE COOLING DUAL WATER PUMP SYSTEM. *SD

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, Cooling system

Vehicles listed
DETROIT DIESEL DETROIT

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