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Service bulletin 210201

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 id617621
Published by NHTSA2001-03-19
Manufacturer's number210201
Manufacturer's date2001-02-21
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SUBJECT REGARDING INVESTIGATION OF AUTOMATIC TRANSMISSION OIL LEAKS ON 1998 AND NEWER LIGHT DUTY TRUCKS WITH 4L80E 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
CHEVROLET CHEVROLET TRUCK1998
GMC GMC1998

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