INFORMATION ON TEMPERATURE GAGE FLUCTUATION. Chevrolet Corsica 1992

SUBJECT: INFORMATION ON TEMPERATURE GAGE FLUCTUATION

MODELS: 1992-94 CHEVROLET CAVALIER, CORSICA AND BERETTA 1993-94 BUICK CENTURY 1993-94 OLDSMOBILE CUTLASS CIERA 1994 CHEVROLET AND GMC TRUCK S TRUCKS EQUIPPED WITH 2.2L ENGINE (RPO LN2 - VIN 4)

SOME VEHICLES DESCRIBED ABOVE MAY EXHIBIT A CONDITION WHERE TEMPERATURE GAGE READINGS FLUCTUATE IN THE NORMAL RANGE. THESE GAGE FLUCTUATIONS MAY BE AS MUCH AS 1/4 OF THE SCALE, HOWEVER, THE INDICATOR SHOULD NEVER ENTER THE RED HIGH TEMPERATURE WARNING AREA OF THE GAGE UNDER NORMAL OPERATING CONDITIONS.

COOLANT TEMPERATURE SENSOR LOCATION COMBINED WITH THE THERMOSTAT CYCLING CHARACTERISTICS CONTRIBUTE TO THIS SENSITIVITY. THE CONDITION IS CONSIDERED A NORMAL CHARACTERISTIC OF THIS ENGINE AND SHOULD NOT BE CAUSE FOR INSTRUMENT PANEL CLUSTER, GAGE, INDICATOR SENDER, OR ENGINE COOLANT THERMOSTAT REPLACEMENT OR ALTERATION.

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GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.