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Service bulletin 980601

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 id600203
Published by NHTSA1998-04-29
Manufacturer's number980601
Manufacturer's date1998-02-01
Replaces96-06-04
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

SUBJECT ON REVISED HALFSHAFT MOUNT BOLT TORQUE SPECIFICATION. *TT

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, Transmission and driveline, Axle

Vehicles listed
AM GENERAL HUMMER
AM GENERAL HUMMER1998

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