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Service bulletin 14D114

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 id10250024
Published by NHTSA2024-02-12
Manufacturer's number14D114
Manufacturer's date2014-11-21
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

Please return service inventory of ACDelco water pump part number 252-814 (89036349) with the package date code prior to 14198. The first two digits of the date code 14 represent the year 2014. The last three digits (198) represent the Julian date of production. See label example below for date code position

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, Cooling system

Vehicles listed
GMC GMC

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