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Service bulletin 98048

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 id603095
Published by NHTSA1999-02-02
Manufacturer's number98048
Manufacturer's date1998-10-01
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

NHTSA's summary

SOME VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE INJECTION PUMP GEAR MAY CONTAIN A MACHINING BURR ON THE GEAR SURFACE. *YC

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

Fuel system, Fuel injection

Vehicles listed
CHEVROLET CHEVROLET1999
GMC GMC1999

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