REDUCED ENGINE PERFORMANCE (REPLACE FUEL TANK CAP). Chevrolet Chevy MD Steel Tilt 67.9" 1996

SUBJECT: REDUCED ENGINE PERFORMANCE (REPLACE FUEL TANK CAP)

MODELS: 1996 CHEVROLET TILTMASTER AND GMC FORWARD W4 MODELS WITH DIESEL ENGINE AND CENTER MOUNTED FUEL TANK (RPO IA6)

CONDITION:

SOME OWNERS MAY COMMENT ABOUT A REDUCTION IN ENGINE PERFORMANCE AFTER DRIVING APPROXIMATELY 50 MILES OR AFTER USING A HALF TANK OF FUEL.

CAUSE:

INCORRECT FUEL TANK FILLER CAP LIMITING THE FREE FLOW OF FUEL TO THE ENGINE.

CORRECTION:

REPLACE THE FUEL TANK FILLER CAP WITH P/N 15726010.

PART INFORMATION:

P/N DESCRIPTION QTY 15726010 FILLER FUEL TANK CAP 1

PART IS CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME L1020 REPLACE FUEL TANK FILLER CAP USE PUBLISHED LABOR OPERATION TIME

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

FIGURES: 0

CAPTIONS: 0

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.