FUEL GAUGE INDICATES EMPTY W/ 7 - 8 GALLONS

REVISION: 05/18/98 DIVS INVL 1 5 7

THIS BULLETIN IS BEING REVISED TO CHANGE THE LABOR OPERATION NUMBER. PLEASE DISCARD CORPORATE BULLETIN NUMBER 768303 (SECTION 8 - CHASSIS/BODY ELECTRICAL). ______________________________________________________________________

SUBJECT: FUEL GAUGE INDICATES EMPTY WITH 7 - 8 GALLONS (30 LITERS) LEFT IN TANK (REPLACE FUEL LEVEL SENSOR FLOAT ARM ASSEMBLY)

MODELS: 1995-97 CHEVROLET AND GMC C/K 4 DOOR UTILITIES BUILT PRIOR TO VIN BREAKPOINT: CHEVROLET VJ355982 GMC VJ724930

CONDITION:

SOME OWNERS MAY COMMENT THAT THE FUEL GAUGE INDICATES EMPTY AFTER ONLY GOING 200 TO 250 MILES, AND THEY ARE ONLY ABLE TO PUT APPROXIMATELY 23 GALLONS OR LESS OF FUEL IN THE 30 GALLON TANK.

CAUSE:

THE FUEL LEVEL INDICATION SYSTEM WAS DESIGNED WITH EXCESSIVE EMPTY RESERVE. THE FUEL LEVEL SENDER WILL BE LABELED WITH BROADCAST CODE "TCB", (SEE FIGURE 1). VEHICLES BUILT AFTER DECEMBER 14, 1996, HAVE THE REVISED FLOAT ARM ASSEMBLY.

CORRECTION:

FOLLOWING THE PROCEDURE DESCRIBED IN SECTION 8A OF THE SERVICE MANUAL, REMOVE THE SENDER ASSEMBLY AND REPLACE THE ORIGINAL FLOAT AND ARM WITH P/N 25312833 (SEE FIGURE 2). REINSTALL THE SENDER ASSEMBLY AND TANK.

PARTS INFORMATION:

P/N DESCRIPTION QTY 25312833 FLOAT KIT, FUEL LEVEL SENSOR 1

THE PART IS CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME L1225 SENDER ASSEMBLY, FUEL USE PUBLISHED (TANK UNIT) - REPLACE LABOR OPERATION TIME

IMPORTANT: LABOR OPERATION IS CODED TO BASE VEHICLE COVERAGE IN THE WARRANTY SYSTEM.

FIGURES: 2

CAPTIONS: FIG 1 - BROADCAST CODE IDENTIFICATION FIG 2 - FLOAT ARM ASSEMBLY (INSTALLED)

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.

COPYRIGHT 1998 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.