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Service bulletin 030730035

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 id10012104
Published by NHTSA2005-02-12
Manufacturer's number030730035
Manufacturer's date2004-07-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

REPLACEMENT OF OUTPUT FLANGE NUT WHEN SERVICING TRANSMISSION. THIS SERVICE BULLETIN REPLACES 030730035. THIS INCLUDES 1999-2005 CHEVEROLET AND GMC W-SERIES MEDIUM DUTY TILT CAB MODELS, 1999-2005 ISUZU NPR/NQR COMMERCIAL MODELS. *EH

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, Automatic transmission

Vehicles listed
UNKNOWN UNKNOWN

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