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Service bulletin IB17J001B

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 id10162989
Published by NHTSA2019-07-22
Manufacturer's numberIB17J001B
Manufacturer's date2019-05-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

IF THE DRIVE BELT ON AN ISUZU 6.0L GAS VEHICLE STARTS MAKING NOISE, WHETHER A CHIRPING SOUND, A SQUEAL, OR A TAPPING, TICKING OR RATTLING NOISE, IT IS IMPORTANT TO CORRECTLY DIAGNOSE IT. ACCESSORY DRIVE BELT NOISE MAY OCCUR FOR MULTIPLE REASONS. A CORRECT DIAGNOSIS WILL ENSURE THAT THE PROPER REPAIRS ARE COMPLETED THE FIRST TIME AND PREVENT THE UNNECESSARY REPLACEMENT PARTS.

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, Drive belts

Vehicles listed
CHEVROLET W-SERIES
GMC W-SERIES
ISUZU ISUZU

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