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Service bulletin 990731003

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 id606149
Published by NHTSA1999-08-10
Manufacturer's number990731003
Manufacturer's date1999-07-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

CUSTOMER MAY COMPLAIN OF NOISE FROM CLUTCH HOUSING, CLUTCH MAY NOT ENGAGE, CLUTCH DISC HUB CRACKED / BROKEN. *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

Transmission and driveline, Manual transmission

Vehicles listed
CHEVROLET C SERIES1997 to 1999
CHEVROLET K SERIES1997 to 1999
GMC C SERIES1997 to 1999
GMC K SERIES1997 to 1999

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