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Service bulletin 300801

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 id625364
Published by NHTSA2001-11-20
Manufacturer's number300801
Manufacturer's date2001-08-30
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

INFORMATION REGARDING DELAYS IN TRANSMISSION DOWNSHIFTING. *YH

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 ENVOY2002
CHEVROLET TRAILBLAZER2002
GMC ENVOY2002
OLDSMOBILE BRAVADA2002

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

Other bulletins for the same vehicles and component
0107300362002-02-26. Service bulletin. SERVICE ENGINE SOON LAMP ILLUMINATED, INCORRECT TRANSMISSION SHIFTS, POOR PERFORMANCE OF ENGINE, TRANSMISSION SLIPPING. *YH