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Service bulletin 461102

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 id37844
Published by NHTSA1995-01-11
Manufacturer's number461102
Manufacturer's date1994-11-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

INSUFFICIENT HEATER PERFORMANCE. *TW

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

Engine, Cooling system

Vehicles listed
CHEVROLET G SERIES1990, 1991, 1992, 1993, 1994
GMC G SERIES1990 to 1994

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