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Service bulletin NAS19990040

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 id606008
Published by NHTSA1999-08-05
Manufacturer's numberNAS19990040
Manufacturer's date1999-05-21
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

SUBJECT PERTAINING TO CORRECT COOLANT LEVEL FOR PROPER COOLING SYSTEM OPERATION. *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

Engine, Cooling system

Vehicles listed
CHEVROLET CAVALIER1998, 1999
PONTIAC SUNFIRE1998, 1999

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
0106020122002-03-21. Service bulletin. SOME OWNERS MAY COMMENT ON LEAKAGE OF A FEW DROPS OF COOLANT AFTER PARKING THEIR VEHICLE. *TT
980412000-12-27. Service bulletin. UPPER RADIATOR HOSE CONTACTING BATTERY TRAY. *TT
001132000-12-05. Service bulletin. SOME VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE UPPER RADIATOR HOSE CONTACTS THE BATTERY TRAY. *TT
000042000-06-05. Service bulletin. GENERAL MOTOR HAS DEDICED THAT CERTAIN VEHICLES EQUIPPED WITH 2.2L ENGINES (VIN 4), MAY EXHIBIT A CONDITION IN WHICH THE UPPER RADITOR HOSE CONTACTS THE BATTERY TRAY. *TT
980412000-04-06. Service bulletin. UPPER RADIATOR HOSE MAY CONTACT BATTERY TRAY. YD
981191998-10-20. Service bulletin. SUBJECT ON THE UPPER RADIATOR HOSE. *YC