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Service bulletin 990139004

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 id604344
Published by NHTSA1999-04-26
Manufacturer's number990139004
Manufacturer's date1999-02-01
Replaces531212A
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

SOME 1993 - 1999 PASSENGER CARS (EXCEPT GEO) AND LIGHT DUTY MODELS (EXCEPT TRACKER) MAY EXHIBIT AN ODOR EMITTED FROM THE AIR CONDITIONING SYSTEM. *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

Equipment and accessories, Heating and air conditioning

Vehicles listed
BUICK BUICK
CADILLAC CADILLAC
CHEVROLET CHEVROLET
GMC GMC
OLDSMOBILE OLDSMOBILE
PONTIAC PONTIAC

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