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Service bulletin 010601

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 id619761
Published by NHTSA2001-06-28
Manufacturer's number010601
Manufacturer's date2001-07-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

GM POWERTRAIN IS CURRENTLY SEEKING INFORMATION REGARDING BROKEN 4T65E TRANSMISSION CASES THAT MAY BE INITIATED WITH A SMALL CRACK ON THE CASE. THE CRACK MAY APPEAR NEAR THE FRONT MOUNTING HOLES OF THE TRANSMISSION. *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, Automatic transmission

Vehicles listed
BUICK BUICK
PONTIAC PONTIAC

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